{"id":2432,"date":"2025-12-22T17:59:35","date_gmt":"2025-12-22T17:59:35","guid":{"rendered":"https:\/\/lightgreen-wombat-810778.hostingersite.com\/developpement-sur-mesure\/logiciel-application-metier\/"},"modified":"2026-06-15T16:44:05","modified_gmt":"2026-06-15T16:44:05","slug":"business-software-application","status":"publish","type":"page","link":"https:\/\/www.castelis.com\/en\/custom-development\/business-software-application\/","title":{"rendered":"Business software and application"},"content":{"rendered":"<section class=\"castelis-hero-banner\" >\n            <div class=\"hero-image-bg\">\n            <img decoding=\"async\" src=\"https:\/\/www.castelis.com\/wp-content\/uploads\/2026\/04\/Dev-sur-mesure1-e1775427748439.webp\" alt=\"Custom software development services\">\n        <\/div>\n    \n    <div class=\"container\">\n                <div class=\"breadcrumbs-wrapper-homepage\"><\/div>\n\n        <div class=\"hero-content-wrapper\">\n            <div class=\"hero-content\">\n                                    <h1 class=\"hero-title\">Custom software development services<\/h1>\n                \n                                    <div class=\"hero-description\">\n                        <p>We design and develop business software and applications perfectly aligned with your processes, operational challenges and information system. From design to production and run, we cover the full lifecycle and augment your applications with AI when it adds value.<\/p>\n\n                    <\/div>\n                \n                                    <div class=\"hero-cta-buttons\">\n                        <a href=\"#contact\" class=\"btn btn-primary\">\n                            <i class=\"fas fa-chevron-right\"><\/i>\n                            <span> Talk to an expert <\/span>\n                        <\/a>\n\n                                            <\/div>\n                \n                            <\/div>\n        <\/div>\n\n        \n            <\/div>\n<\/section>\n\n\n<nav class=\"castelis-toc \"  data-toc-id=\"toc-6a6787c83383b\">\n    <div class=\"container\">\n        <div class=\"toc-wrapper\">\n                            <ul class=\"toc-list\">\n                                                                        <li class=\"toc-item\">\n                                <a href=\"#expertise\" class=\"toc-link\">\n                                    Expertise\n                                <\/a>\n                            <\/li>\n                                                                                                <li class=\"toc-item\">\n                                <a href=\"#methodologie\" class=\"toc-link\">\n                                    Methodology\n                                <\/a>\n                            <\/li>\n                                                                                                <li class=\"toc-item\">\n                                <a href=\"#tech-stack\" class=\"toc-link\">\n                                    Tech stack\n                                <\/a>\n                            <\/li>\n                                                                                                <li class=\"toc-item\">\n                                <a href=\"#cas-client\" class=\"toc-link\">\n                                    Case studies\n                                <\/a>\n                            <\/li>\n                                                                                                <li class=\"toc-item\">\n                                <a href=\"#garanties\" class=\"toc-link\">\n                                    Commitments\n                                <\/a>\n                            <\/li>\n                                                                                                <li class=\"toc-item\">\n                                <a href=\"#faq\" class=\"toc-link\">\n                                    FAQ\n                                <\/a>\n                            <\/li>\n                                                                                                <li class=\"toc-item\">\n                                <a href=\"#contact\" class=\"toc-link\">\n                                    Contact\n                                <\/a>\n                            <\/li>\n                                                            <\/ul>\n                    <\/div>\n    <\/div>\n<\/nav>\n\n<section class=\"castelis-logos variation-client\" >\n    <div class=\"container\">\n                    <div class=\"logos-header\">\n                                    <div class=\"logos-hashtag hashtag-title\"># They chose our expertise<\/div>\n                \n                                    <h2 class=\"logos-heading\">\n                        <span class=\"slash-prefix\">\/<\/span>\n                        Our clients\n                    <\/h2>\n                \n                            <\/div>\n            <\/div>\n\n                        \n            <div class=\"logos-scroll-wrapper\" data-infinite-scroll data-logos-count=\"18\">\n                <div class=\"logos-scroll\">\n                                            <div class=\"logo-item\">\n                                                 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class=\"logo-green-line\"><\/div>\n                                            <div class=\"logo-item\">\n                                                            <img decoding=\"async\" src=\"https:\/\/www.castelis.com\/wp-content\/uploads\/2026\/04\/prodistribution.webp\" alt=\"Logo\" \/>\n                                                    <\/div>\n                        <div class=\"logo-green-line\"><\/div>\n                                            <div class=\"logo-item\">\n                                                            <img decoding=\"async\" src=\"https:\/\/www.castelis.com\/wp-content\/uploads\/2026\/04\/apave.webp\" alt=\"Logo\" \/>\n                                                    <\/div>\n                        <div class=\"logo-green-line\"><\/div>\n                                            <div class=\"logo-item\">\n                                                            <img decoding=\"async\" src=\"https:\/\/www.castelis.com\/wp-content\/uploads\/2026\/04\/deloitte.webp\" alt=\"Logo\" \/>\n                                                    <\/div>\n                        <div class=\"logo-green-line\"><\/div>\n                                            <div class=\"logo-item\">\n                                                            <img decoding=\"async\" src=\"https:\/\/www.castelis.com\/wp-content\/uploads\/2026\/04\/sanofi.webp\" alt=\"Logo\" \/>\n                                                    <\/div>\n                        <div class=\"logo-green-line\"><\/div>\n                                            <div class=\"logo-item\">\n                                                            <img decoding=\"async\" src=\"https:\/\/www.castelis.com\/wp-content\/uploads\/2026\/04\/loreal-logo.webp\" alt=\"Logo\" \/>\n                                                    <\/div>\n                        <div class=\"logo-green-line\"><\/div>\n                  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\/>\n                                                    <\/div>\n                        <div class=\"logo-green-line\"><\/div>\n                                            <div class=\"logo-item\">\n                                                            <img decoding=\"async\" src=\"https:\/\/www.castelis.com\/wp-content\/uploads\/2026\/04\/lucernys-e1776431532443.webp\" alt=\"Logo\" \/>\n                                                    <\/div>\n                        <div class=\"logo-green-line\"><\/div>\n                                            <div class=\"logo-item\">\n                                                            <img decoding=\"async\" src=\"https:\/\/www.castelis.com\/wp-content\/uploads\/2026\/04\/narta.webp\" alt=\"Logo\" \/>\n                                                    <\/div>\n                        <div class=\"logo-green-line\"><\/div>\n                                            <div class=\"logo-item\">\n                              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src=\"https:\/\/www.castelis.com\/wp-content\/uploads\/2026\/04\/sncf.svg\" alt=\"Logo\" \/>\n                                                    <\/div>\n                        <div class=\"logo-green-line\"><\/div>\n                                            <div class=\"logo-item\">\n                                                            <img decoding=\"async\" src=\"https:\/\/www.castelis.com\/wp-content\/uploads\/2026\/04\/kerastase-e1776431658918.webp\" alt=\"Logo\" \/>\n                                                    <\/div>\n                        <div class=\"logo-green-line\"><\/div>\n                                            <div class=\"logo-item\">\n                                                            <img decoding=\"async\" src=\"https:\/\/www.castelis.com\/wp-content\/uploads\/2026\/04\/qualiconsult.webp\" alt=\"Logo\" \/>\n                                                    <\/div>\n                        <div class=\"logo-green-line\"><\/div>\n                                            <div class=\"logo-item\">\n                                                            <img decoding=\"async\" src=\"https:\/\/www.castelis.com\/wp-content\/uploads\/2026\/04\/prodistribution.webp\" alt=\"Logo\" \/>\n                                                    <\/div>\n                        <div class=\"logo-green-line\"><\/div>\n                                            <div class=\"logo-item\">\n                                                            <img decoding=\"async\" src=\"https:\/\/www.castelis.com\/wp-content\/uploads\/2026\/04\/apave.webp\" alt=\"Logo\" \/>\n                                                    <\/div>\n                        <div class=\"logo-green-line\"><\/div>\n                                            <div class=\"logo-item\">\n                                                            <img decoding=\"async\" src=\"https:\/\/www.castelis.com\/wp-content\/uploads\/2026\/04\/deloitte.webp\" alt=\"Logo\" \/>\n                                                    <\/div>\n                        <div class=\"logo-green-line\"><\/div>\n                                            <div class=\"logo-item\">\n                                                            <img decoding=\"async\" src=\"https:\/\/www.castelis.com\/wp-content\/uploads\/2026\/04\/sanofi.webp\" alt=\"Logo\" \/>\n                                                    <\/div>\n                        <div class=\"logo-green-line\"><\/div>\n                                            <div class=\"logo-item\">\n                                                            <img decoding=\"async\" src=\"https:\/\/www.castelis.com\/wp-content\/uploads\/2026\/04\/loreal-logo.webp\" alt=\"Logo\" \/>\n                                                    <\/div>\n                        <div class=\"logo-green-line\"><\/div>\n                                            <div class=\"logo-item\">\n                                                            <img decoding=\"async\" src=\"https:\/\/www.castelis.com\/wp-content\/uploads\/2026\/04\/dreamyachtcharter.webp\" alt=\"Logo\" \/>\n                                                    <\/div>\n                        <div class=\"logo-green-line\"><\/div>\n                                            <div class=\"logo-item\">\n                                                            <img decoding=\"async\" src=\"https:\/\/www.castelis.com\/wp-content\/uploads\/2026\/04\/ectaris.webp\" alt=\"Logo\" \/>\n                                                    <\/div>\n                        <div class=\"logo-green-line\"><\/div>\n                                            <div class=\"logo-item\">\n                                                            <img decoding=\"async\" src=\"https:\/\/www.castelis.com\/wp-content\/uploads\/2026\/04\/solocal.webp\" alt=\"Logo\" \/>\n                                                    <\/div>\n                        <div class=\"logo-green-line\"><\/div>\n                                            <div class=\"logo-item\">\n                                                            <img decoding=\"async\" src=\"https:\/\/www.castelis.com\/wp-content\/uploads\/2026\/04\/lucernys-e1776431532443.webp\" alt=\"Logo\" \/>\n                                                    <\/div>\n                        <div class=\"logo-green-line\"><\/div>\n                                            <div class=\"logo-item\">\n                                                            <img decoding=\"async\" src=\"https:\/\/www.castelis.com\/wp-content\/uploads\/2026\/04\/narta.webp\" alt=\"Logo\" \/>\n                                                    <\/div>\n                        <div class=\"logo-green-line\"><\/div>\n                                            <div class=\"logo-item\">\n                                                            <img decoding=\"async\" src=\"https:\/\/www.castelis.com\/wp-content\/uploads\/2026\/04\/noveal.webp\" alt=\"Logo\" \/>\n                                                    <\/div>\n                        <div class=\"logo-green-line\"><\/div>\n                                            <div class=\"logo-item\">\n                                                            <img decoding=\"async\" src=\"https:\/\/www.castelis.com\/wp-content\/uploads\/2026\/04\/laprovencal.webp\" alt=\"Logo\" \/>\n                                                    <\/div>\n                        <div class=\"logo-green-line\"><\/div>\n                                            <div class=\"logo-item\">\n                                                            <img decoding=\"async\" src=\"https:\/\/www.castelis.com\/wp-content\/uploads\/2026\/04\/comgest-e1776431580174.webp\" alt=\"Logo\" \/>\n                                                    <\/div>\n                        <div class=\"logo-green-line\"><\/div>\n                                            <div class=\"logo-item\">\n                                                            <img decoding=\"async\" src=\"https:\/\/www.castelis.com\/wp-content\/uploads\/2026\/04\/DOP.webp\" alt=\"Logo\" \/>\n                                                    <\/div>\n                        <div class=\"logo-green-line\"><\/div>\n                                            <div class=\"logo-item\">\n                                                            <img decoding=\"async\" src=\"https:\/\/www.castelis.com\/wp-content\/uploads\/2026\/04\/quadient.webp\" alt=\"Logo\" \/>\n                                                    <\/div>\n                        <div class=\"logo-green-line\"><\/div>\n                                    <\/div>\n            <\/div>\n            <\/section>\n\n\n<section class=\"castelis-cards-panel alignment-vertical bg-black heading-left\"  id=\"expertise\" >\n    <div class=\"container\">\n                    <div class=\"cards-panel-header\">\n                                    <div class=\"cards-panel-heading\">\n                        <span class=\"slash-prefix\">\/<\/span>\n                        <h2>Our expertise<\/h2>\n                    <\/div>\n                                \n                                    <div class=\"cards-panel-description\">\n                        <p>We develop all types of applications. Each solution is designed to integrate with your IS and sustainably support your business.<\/p>\n\n                    <\/div>\n                            <\/div>\n                \n                    <div class=\"cards-grid cards-grid-3\">\n                                    <div class=\"card-item\">\n                                                    \n                            <div class=\"card-icon\">\n                                                                    <img decoding=\"async\" src=\"https:\/\/www.castelis.com\/wp-content\/uploads\/2025\/12\/Icon-2.svg\" alt=\"AI-native applications\" \/>\n                                                            <\/div>\n                            \n                                                            <h3 class=\"card-title\">AI-native applications<\/h3>\n                                                        \n                                                            <p class=\"card-description\">Applications where AI is at the core of how the software works: models, agents and automation built in, not bolted on. Designed, secured and operated in production.<\/p>\n                                                        \n                                                        \n                                                                        <\/div>\n                                    <div class=\"card-item\">\n                                                    \n                            <div class=\"card-icon\">\n                                                                    <img decoding=\"async\" src=\"https:\/\/www.castelis.com\/wp-content\/uploads\/2025\/12\/Icon-2.svg\" alt=\"Works council (CSE) solutions\" \/>\n                                                            <\/div>\n                            \n                                                            <h3 class=\"card-title\">Works council (CSE) solutions<\/h3>\n                                                        \n                                                            <p class=\"card-description\">We leverage our proprietary Logi-CE solution and custom developments to meet the organizational and regulatory requirements specific to each entity.<\/p>\n                                                        \n                                                        \n                                                                        <\/div>\n                                    <div class=\"card-item\">\n                                                    \n                            <div class=\"card-icon\">\n                                                                    <img decoding=\"async\" src=\"https:\/\/www.castelis.com\/wp-content\/uploads\/2025\/12\/Icon-2.svg\" alt=\"HR management tools\" \/>\n                                                            <\/div>\n                            \n                                                            <h3 class=\"card-title\">HR management tools<\/h3>\n                                                        \n                                                            <p class=\"card-description\">Development of employee management tools for careers, appraisals, staffing or performance tracking, integrated into your existing environment.<\/p>\n                                                        \n                                                        \n                                                                        <\/div>\n                                    <div class=\"card-item\">\n                                                    \n                            <div class=\"card-icon\">\n                                                                    <img decoding=\"async\" src=\"https:\/\/www.castelis.com\/wp-content\/uploads\/2025\/12\/Icon-2.svg\" alt=\"Custom ERP\" \/>\n                                                            <\/div>\n                            \n                                                            <h3 class=\"card-title\">Custom ERP<\/h3>\n                                                        \n                                                            <p class=\"card-description\">Design of business management solutions adapted to your specificities to structure and streamline activity: project oversight, resource management and financial tracking.<\/p>\n                                                        \n                                                        \n                                                                        <\/div>\n                                    <div class=\"card-item\">\n                                                    \n                            <div class=\"card-icon\">\n                                                                    <img decoding=\"async\" src=\"https:\/\/www.castelis.com\/wp-content\/uploads\/2025\/12\/Icon-2.svg\" alt=\"Dedicated sector-specific solutions\" \/>\n                                                            <\/div>\n                            \n                                                            <h3 class=\"card-title\">Dedicated sector-specific solutions<\/h3>\n                                                        \n                                                            <p class=\"card-description\">Creation of applications dedicated to your sector or internal processes, designed around your business rules and operational constraints.<\/p>\n                                                        \n                                                        \n                                                                        <\/div>\n                                    <div class=\"card-item\">\n                                                    \n                            <div class=\"card-icon\">\n                                                                    <img decoding=\"async\" src=\"https:\/\/www.castelis.com\/wp-content\/uploads\/2025\/12\/Icon-2.svg\" alt=\"Digital products for your clients\" \/>\n                                                            <\/div>\n                            \n                                                            <h3 class=\"card-title\">Digital products for your clients<\/h3>\n                                                        \n                                                            <p class=\"card-description\">Development of digital platforms intended to be sold to your clients, designed to be robust, scalable and maintainable.<\/p>\n                                                        \n                                                        \n                                                                        <\/div>\n                            <\/div>\n            <\/div>\n<\/section>\n\n\n<section class=\"castelis-methodology-timeline\"  id=\"methodologie\" >\n    <div class=\"container\">\n                    <h2 class=\"methodology-heading\">\n                <span class=\"slash-prefix\">\/<\/span>\n                Agile and collaborative methodology\n            <\/h2>\n        \n        <div class=\"methodology-content\">\n            \n            <div class=\"methodology-left \">   \n                                    <div class=\"methodology-subheading\">\n                        <p>We manage your application projects using agile methodology to secure decisions, control costs and deliver a solution suited to actual usage.<\/p>\n\n                    <\/div>\n                                                    <div class=\"timeline-wrapper\">\n                        <div class=\"timeline-line\"><\/div>\n                        \n                                                    <div class=\"timeline-step\">\n                                <div class=\"timeline-step-number\">\n                                    <span>1<\/span>\n                                <\/div>\n                                \n                                <div class=\"timeline-step-content\">\n                                                                            <h3 class=\"timeline-step-title\">Project scoping<\/h3>\n                                                                        \n                                                                            <p class=\"timeline-step-description\">Analysis of business needs, existing processes and technical constraints to define functional scope and project priorities.<\/p>\n                                                                        \n                                                                            <div class=\"timeline-step-tags\">\n                                                                                            <span class=\"timeline-tag\">Brief<\/span>\n                                                                                            <span class=\"timeline-tag\">Specifications<\/span>\n                                                                                    <\/div>\n                                                                    <\/div>\n                            <\/div>\n                                                    <div class=\"timeline-step\">\n                                <div class=\"timeline-step-number\">\n                                    <span>2<\/span>\n                                <\/div>\n                                \n                                <div class=\"timeline-step-content\">\n                                                                            <h3 class=\"timeline-step-title\">UX\/UI design<\/h3>\n                                                                        \n                                                                            <p class=\"timeline-step-description\">Design of user journeys, screens and functional specifications to validate ergonomics and alignment with real usage.<\/p>\n                                                                        \n                                                                            <div class=\"timeline-step-tags\">\n                                                                                            <span class=\"timeline-tag\">UX\/UI<\/span>\n                                                                                            <span class=\"timeline-tag\">Specifications<\/span>\n                                                                                    <\/div>\n                                                                    <\/div>\n                            <\/div>\n                                                    <div class=\"timeline-step\">\n                                <div class=\"timeline-step-number\">\n                                    <span>3<\/span>\n                                <\/div>\n                                \n                                <div class=\"timeline-step-content\">\n                                                                            <h3 class=\"timeline-step-title\">Iterative development<\/h3>\n                                                                        \n                                                                            <p class=\"timeline-step-description\">Application development in successive iterations, with regular deliveries to adjust features and validate decisions.<\/p>\n                                                                        \n                                                                            <div class=\"timeline-step-tags\">\n                                                                                            <span class=\"timeline-tag\">Sprints<\/span>\n                                                                                            <span class=\"timeline-tag\">Release<\/span>\n                                                                                    <\/div>\n                                                                    <\/div>\n                            <\/div>\n                                                    <div class=\"timeline-step\">\n                                <div class=\"timeline-step-number\">\n                                    <span>4<\/span>\n                                <\/div>\n                                \n                                <div class=\"timeline-step-content\">\n                                                                            <h3 class=\"timeline-step-title\">Testing and validation<\/h3>\n                                                                        \n                                                                            <p class=\"timeline-step-description\">Functional and technical testing to ensure quality, performance and reliability before going live.<\/p>\n                                                                        \n                                                                            <div class=\"timeline-step-tags\">\n                                                                                            <span class=\"timeline-tag\">Testing<\/span>\n                                                                                            <span class=\"timeline-tag\">Validation<\/span>\n                                                                                    <\/div>\n                                                                    <\/div>\n                            <\/div>\n                                                    <div class=\"timeline-step\">\n                                <div class=\"timeline-step-number\">\n                                    <span>5<\/span>\n                                <\/div>\n                                \n                                <div class=\"timeline-step-content\">\n                                                                            <h3 class=\"timeline-step-title\">Launch &amp; support<\/h3>\n                                                                        \n                                                                            <p class=\"timeline-step-description\">Live deployment of the solution, user training and post-deployment support to ensure rapid and lasting adoption.<\/p>\n                                                                        \n                                                                            <div class=\"timeline-step-tags\">\n                                                                                            <span class=\"timeline-tag\">Go live<\/span>\n                                                                                            <span class=\"timeline-tag\">Support<\/span>\n                                                                                    <\/div>\n                                                                    <\/div>\n                            <\/div>\n                                            <\/div>\n                \n                            <\/div>\n\n            \n                    <\/div>\n    <\/div>\n<\/section>\n\n\n<section class=\"castelis-tech-stack\"  id=\"tech-stack\" >\n    <div class=\"container\">\n                    <h2 class=\"tech-stack-heading\">\n                <span class=\"slash-prefix\">\/<\/span>\n                Technologies\n            <\/h2>\n        \n                    <div class=\"tech-stack-description\">\n                <p>We select the most appropriate technologies for your context, security constraints and expected scalability. Our approach favors robust, maintainable solutions aligned with your information system.<\/p>\n\n            <\/div>\n        \n                    <div class=\"tech-stack-tools\">\n                                                            <span class=\"tech-tool\">Twig<\/span>\n                                                                                <span class=\"tech-tool\">Symfony<\/span>\n                                                                                <span class=\"tech-tool\">PHP<\/span>\n                                                                                <span class=\"tech-tool\">Nuxt.js<\/span>\n                                                                                <span class=\"tech-tool\">React<\/span>\n                                                                                <span class=\"tech-tool\">Kotlin<\/span>\n                                                                                <span class=\"tech-tool\">Swift<\/span>\n                                                                                <span class=\"tech-tool\">Angular<\/span>\n                                                                                <span class=\"tech-tool\">Vue.js<\/span>\n                                                                                <span class=\"tech-tool\">React Native<\/span>\n                                                                                <span class=\"tech-tool\">MySQL<\/span>\n                                                                                <span class=\"tech-tool\">Microsoft Azure<\/span>\n                                                                                <span class=\"tech-tool\">Docker<\/span>\n                                                <\/div>\n        \n                    <div class=\"tech-stack-info\">\n                                    <img decoding=\"async\" src=\"https:\/\/www.castelis.com\/wp-content\/uploads\/2025\/12\/Icon-6.svg\" alt=\"Icon\" class=\"info-icon\">\n                                <span class=\"info-text\">A technical stack tailored to your business challenges and existing IS.<\/span>\n            <\/div>\n        \n            <\/div>\n<\/section>\n\n\n<section class=\"castelis-content-image frame-black\"  id=\"garanties\" >\n    <div class=\"container align-items-center\"> \n        \n        <div class=\"order-2 content-wrapper \">\n            \n                            <h2 class=\"content-title\">\n                    <span class=\"slash-prefix\">\/<\/span>\n                    <div>Castelis commitments<\/div>\n                <\/h2>\n                        \n                            <div class=\"castelis-content-text\">\n                    <p>We design reliable, scalable and genuinely useful business applications for your teams. Our approach combines a deep understanding of your challenges, technical expertise and long-term support.<\/p>\n<p>From design to operation, we guarantee consistency, cost and timeline control, with one clear objective: making your application a concrete performance driver.<\/p>\n\n                <\/div>\n                        \n                    <\/div>\n        \n        \n        <div class=\"order-1 image-style-framed \">\n                            <img decoding=\"async\" \n                    src=\"https:\/\/www.castelis.com\/wp-content\/uploads\/2026\/04\/annie-spratt-AkftcHujUmk-unsplash.webp\" \n                    alt=\"Castelis commitments\"\n                \/>\n                    <\/div>\n    <\/div>\n<\/section>\n\n\n<section class=\"client-case-studies\"  id=\"cas-client\" >\n    <div class=\"container\">\n                    <h2 class=\"case-studies-heading\">\n                <span class=\"slash-prefix\">\/<\/span>\n                They transformed their operations with custom applications\n            <\/h2>\n        \n                    <div class=\"case-studies-description\">\n                <p>Discover how our clients gained fluidity and efficiency through business applications developed specifically for their needs.<\/p>\n\n            <\/div>\n        \n                    <div class=\"case-studies__wrapper\">\n                <div class=\"case-studies-grid\">\n                                            <div class=\"case-study-card\">\n                                                            <div class=\"case-image\">\n                                    <img decoding=\"async\" src=\"https:\/\/www.castelis.com\/wp-content\/uploads\/2026\/03\/cas-client-dream-yacht.webp\" alt=\"cas-client-dream-yacht\">\n                                <\/div>\n                            \n                            <div class=\"case-content\">\n                                                                    <h3 class=\"case-title\">Dream Yacht Charter | Automating cross-billing<\/h3>\n                                \n                                                                    <p class=\"case-description\">Automation and securing of intercompany flows to consolidate group accounting at D+1.<\/p>\n                                \n                                                                    <div class=\"case-figures\">\n                                                                                    <div class=\"figure-item\">\n                                                <div class=\"figure-value\">50<\/div>\n                                                <div class=\"figure-label\">Companies consolidated at D+1<\/div>\n                                            <\/div>\n                                                                                    <div class=\"figure-item\">\n                                                <div class=\"figure-value\">200 000<\/div>\n                                                <div class=\"figure-label\">Clients per year<\/div>\n                                            <\/div>\n                                                                                    <div class=\"figure-item\">\n                                                <div class=\"figure-value\">6<\/div>\n                                                <div class=\"figure-label\">International accounting teams<\/div>\n                                            <\/div>\n                                                                            <\/div>\n                                                                \n                                                                    <a href=\"https:\/\/hunik.group\/cas-client\/dream-yacht-charter\/\" class=\"card-cta\" target=\"_blank\" rel=\"noopener\">\n                                        View the case study\n                                        <i class=\"fas fa-chevron-right\"><\/i>\n                                    <\/a>\n                                                            <\/div>\n                        <\/div>\n                                            <div class=\"case-study-card\">\n                                                            <div class=\"case-image\">\n                                    <img decoding=\"async\" src=\"https:\/\/www.castelis.com\/wp-content\/uploads\/2026\/03\/cas-client-lucernys.webp\" alt=\"Lucernys | Improving the profitability of a consulting firm\">\n                                <\/div>\n                            \n                            <div class=\"case-content\">\n                                                                    <h3 class=\"case-title\">Lucernys | Improving the profitability of a consulting firm<\/h3>\n                                \n                                                                    <p class=\"case-description\">Deployment of the Chronos Business Management ERP to centralize project tracking and manage profitability.<\/p>\n                                \n                                                                    <div class=\"case-figures\">\n                                                                                    <div class=\"figure-item\">\n                                                <div class=\"figure-value\">+130<\/div>\n                                                <div class=\"figure-label\">Client projects managed<\/div>\n                                            <\/div>\n                                                                                    <div class=\"figure-item\">\n                                                <div class=\"figure-value\">+5 years<\/div>\n                                                <div class=\"figure-label\">Of partnership<\/div>\n                                            <\/div>\n                                                                                    <div class=\"figure-item\">\n                                                <div class=\"figure-value\">1<\/div>\n                                                <div class=\"figure-label\">Dedicated team<\/div>\n                                            <\/div>\n                                                                            <\/div>\n                                                                \n                                                                    <a href=\"https:\/\/hunik.group\/cas-client\/lucernys\/\" class=\"card-cta\" target=\"_blank\" rel=\"noopener\">\n                                        View the case study\n                                        <i class=\"fas fa-chevron-right\"><\/i>\n                                    <\/a>\n                                                            <\/div>\n                        <\/div>\n                                            <div class=\"case-study-card\">\n                                                            <div class=\"case-image\">\n                                    <img decoding=\"async\" src=\"https:\/\/www.castelis.com\/wp-content\/uploads\/2026\/03\/cas-client-prodistribution.webp\" alt=\"cas-client-prodistribution\">\n                                <\/div>\n                            \n                            <div class=\"case-content\">\n                                                                    <h3 class=\"case-title\">Prodistribution | Consolidating group accounting data<\/h3>\n                                \n                                                                    <p class=\"case-description\">Centralized accounting interface system to automate financial flows for 150 companies under the Picard, Casino and Franprix brands.<\/p>\n                                \n                                                                    <div class=\"case-figures\">\n                                                                                    <div class=\"figure-item\">\n                                                <div class=\"figure-value\">+150<\/div>\n                                                <div class=\"figure-label\">Companies integrated<\/div>\n                                            <\/div>\n                                                                                    <div class=\"figure-item\">\n                                                <div class=\"figure-value\">+3 000<\/div>\n                                                <div class=\"figure-label\">Accounting entries per day<\/div>\n                                            <\/div>\n                                                                                    <div class=\"figure-item\">\n                                                <div class=\"figure-value\">1 week<\/div>\n                                                <div class=\"figure-label\">Saved per person<\/div>\n                                            <\/div>\n                                                                            <\/div>\n                                                                \n                                                                    <a href=\"https:\/\/hunik.group\/cas-client\/prodistribution\/\" class=\"card-cta\" target=\"_blank\" rel=\"noopener\">\n                                        View the case study\n                                        <i class=\"fas fa-chevron-right\"><\/i>\n                                    <\/a>\n                                                            <\/div>\n                        <\/div>\n                                    <\/div>\n\n                \n                <div class=\"case-studies__nav\">\n                    <button class=\"case-studies__btn case-studies__btn--prev\" disabled>\n                        <i class=\"fas fa-chevron-left\"><\/i>\n                    <\/button>\n\n                    <div class=\"case-studies__dots\"><\/div>\n\n                    <button class=\"case-studies__btn case-studies__btn--next\">\n                        <i class=\"fas fa-chevron-right\"><\/i>\n                    <\/button>\n                <\/div>\n            <\/div>\n            <\/div>\n<\/section>\n\n\n<section class=\"castelis-faq\"  id=\"faq\" >\n    <div class=\"container\">\n        <h2 class=\"faq-title\">\n            <span class=\"slash-prefix\">\/<\/span>\n            <div>FAQs \u2014 application development<\/div>\n        <\/h2>\n    <\/div>\n        \n            <div class=\"faq-accordion\">\n                                            \n                <div class=\"faq-item active\">\n                    <div class=\"container\">\n                        <button \n                            class=\"faq-question\" \n                            type=\"button\"\n                            aria-expanded=\"true\"\n                            aria-controls=\"faq-faq-0\"\n                            onclick=\"this.closest('.faq-item').classList.toggle('active'); this.setAttribute('aria-expanded', this.getAttribute('aria-expanded') === 'true' ? 'false' : 'true');\"\n                        >\n                            <h3>Why develop a custom business application rather than standard software?<\/h3>\n                            <i class=\"faq-icon\"><\/i>\n                        <\/button>\n                    <\/div>\n                    <div \n                        class=\"faq-answer\" \n                        id=\"faq-faq-0\"\n                        role=\"region\"\n                    >\n                        <div class=\"container\">\n                            <div class=\"faq-answer-content\">\n                                <p>A custom business application adapts precisely to your processes, organization and specific constraints. Unlike standard software, it avoids functional compromises, limits workarounds by teams and integrates more naturally with your existing information system.<\/p>\n\n                            <\/div>\n                        <\/div>\n                    <\/div>\n                <\/div>\n                                            \n                <div class=\"faq-item \">\n                    <div class=\"container\">\n                        <button \n                            class=\"faq-question\" \n                            type=\"button\"\n                            aria-expanded=\"false\"\n                            aria-controls=\"faq-faq-1\"\n                            onclick=\"this.closest('.faq-item').classList.toggle('active'); this.setAttribute('aria-expanded', this.getAttribute('aria-expanded') === 'true' ? 'false' : 'true');\"\n                        >\n                            <h3>What types of organizations can benefit from a custom business application?<\/h3>\n                            <i class=\"faq-icon\"><\/i>\n                        <\/button>\n                    <\/div>\n                    <div \n                        class=\"faq-answer\" \n                        id=\"faq-faq-1\"\n                        role=\"region\"\n                    >\n                        <div class=\"container\">\n                            <div class=\"faq-answer-content\">\n                                <p>Private companies, industries, institutions and local authorities can all benefit from a custom business application. This approach is particularly relevant when needs are specific, complex or insufficiently covered by market solutions.<\/p>\n\n                            <\/div>\n                        <\/div>\n                    <\/div>\n                <\/div>\n                                            \n                <div class=\"faq-item \">\n                    <div class=\"container\">\n                        <button \n                            class=\"faq-question\" \n                            type=\"button\"\n                            aria-expanded=\"false\"\n                            aria-controls=\"faq-faq-2\"\n                            onclick=\"this.closest('.faq-item').classList.toggle('active'); this.setAttribute('aria-expanded', this.getAttribute('aria-expanded') === 'true' ? 'false' : 'true');\"\n                        >\n                            <h3>How do you ensure user adoption of the tool?<\/h3>\n                            <i class=\"faq-icon\"><\/i>\n                        <\/button>\n                    <\/div>\n                    <div \n                        class=\"faq-answer\" \n                        id=\"faq-faq-2\"\n                        role=\"region\"\n                    >\n                        <div class=\"container\">\n                            <div class=\"faq-answer-content\">\n                                <p>We integrate UX and UI from the earliest project phases, with design workshops involving users. After go-live, we also support teams with training sessions to facilitate adoption.<\/p>\n\n                            <\/div>\n                        <\/div>\n                    <\/div>\n                <\/div>\n                                            \n                <div class=\"faq-item \">\n                    <div class=\"container\">\n                        <button \n                            class=\"faq-question\" \n                            type=\"button\"\n                            aria-expanded=\"false\"\n                            aria-controls=\"faq-faq-3\"\n                            onclick=\"this.closest('.faq-item').classList.toggle('active'); this.setAttribute('aria-expanded', this.getAttribute('aria-expanded') === 'true' ? 'false' : 'true');\"\n                        >\n                            <h3>Do you use agile methodologies?<\/h3>\n                            <i class=\"faq-icon\"><\/i>\n                        <\/button>\n                    <\/div>\n                    <div \n                        class=\"faq-answer\" \n                        id=\"faq-faq-3\"\n                        role=\"region\"\n                    >\n                        <div class=\"container\">\n                            <div class=\"faq-answer-content\">\n                                <p>Yes, we favor an agile methodology to allow regular adjustments, better cost control and continuous validation of functional and technical decisions throughout the project.<\/p>\n\n                            <\/div>\n                        <\/div>\n                    <\/div>\n                <\/div>\n                                            \n                <div class=\"faq-item \">\n                    <div class=\"container\">\n                        <button \n                            class=\"faq-question\" \n                            type=\"button\"\n                            aria-expanded=\"false\"\n                            aria-controls=\"faq-faq-4\"\n                            onclick=\"this.closest('.faq-item').classList.toggle('active'); this.setAttribute('aria-expanded', this.getAttribute('aria-expanded') === 'true' ? 'false' : 'true');\"\n                        >\n                            <h3>Do you provide maintenance and evolution services for applications?<\/h3>\n                            <i class=\"faq-icon\"><\/i>\n                        <\/button>\n                    <\/div>\n                    <div \n                        class=\"faq-answer\" \n                        id=\"faq-faq-4\"\n                        role=\"region\"\n                    >\n                        <div class=\"container\">\n                            <div class=\"faq-answer-content\">\n                                <p>We support our clients after go-live with maintenance, support and evolution services to ensure the long-term sustainability and adaptability of the solution.<\/p>\n\n                            <\/div>\n                        <\/div>\n                    <\/div>\n                <\/div>\n                                            \n                <div class=\"faq-item \">\n                    <div class=\"container\">\n                        <button \n                            class=\"faq-question\" \n                            type=\"button\"\n                            aria-expanded=\"false\"\n                            aria-controls=\"faq-faq-5\"\n                            onclick=\"this.closest('.faq-item').classList.toggle('active'); this.setAttribute('aria-expanded', this.getAttribute('aria-expanded') === 'true' ? 'false' : 'true');\"\n                        >\n                            <h3>How much do custom software development services cost?<\/h3>\n                            <i class=\"faq-icon\"><\/i>\n                        <\/button>\n                    <\/div>\n                    <div \n                        class=\"faq-answer\" \n                        id=\"faq-faq-5\"\n                        role=\"region\"\n                    >\n                        <div class=\"container\">\n                            <div class=\"faq-answer-content\">\n                                <p>Each project is bespoke, so the budget depends on the functional scope, integrations with your IS and the level of requirements (security, performance, run). Rather than a standard price, we provide an estimate after an initial scoping phase, aligned with the value at stake.<\/p>\n\n                            <\/div>\n                        <\/div>\n                    <\/div>\n                <\/div>\n                                            \n                <div class=\"faq-item \">\n                    <div class=\"container\">\n                        <button \n                            class=\"faq-question\" \n                            type=\"button\"\n                            aria-expanded=\"false\"\n                            aria-controls=\"faq-faq-6\"\n                            onclick=\"this.closest('.faq-item').classList.toggle('active'); this.setAttribute('aria-expanded', this.getAttribute('aria-expanded') === 'true' ? 'false' : 'true');\"\n                        >\n                            <h3>Who owns the source code?<\/h3>\n                            <i class=\"faq-icon\"><\/i>\n                        <\/button>\n                    <\/div>\n                    <div \n                        class=\"faq-answer\" \n                        id=\"faq-faq-6\"\n                        role=\"region\"\n                    >\n                        <div class=\"container\">\n                            <div class=\"faq-answer-content\">\n                                <p>The code we develop specifically for you belongs to you. We deliver the sources and documentation, with no imposed dependency, so you remain in control of your tool.<\/p>\n\n                            <\/div>\n                        <\/div>\n                    <\/div>\n                <\/div>\n                    <\/div>\n    <\/section>\n\n\n<section class=\"castelis-contact-form\"  id=\"contact\" >\n    <div class=\"container\">   \n                    <div class=\"contact-tag hashtag-title\">CONTACT<\/div>\n        \n                    <h2 class=\"contact-heading\">Let&#039;s talk about your project<\/h2>\n        \n        \n        <div class=\"contact-wrapper\">\n            \n            <div class=\"contact-form-side\">\n                                    <div class=\"contact-form-container\">\n                        \n\t\t\t\t\t\t<script>\n\t\t\t\t\t\t\twindow.hsFormsOnReady = window.hsFormsOnReady || [];\n\t\t\t\t\t\t\twindow.hsFormsOnReady.push(()=>{\n\t\t\t\t\t\t\t\thbspt.forms.create({\n\t\t\t\t\t\t\t\t\tportalId: 9318812,\n\t\t\t\t\t\t\t\t\tformId: \"312183e0-8b6c-488d-ac79-af4a4fbc82fe\",\n\t\t\t\t\t\t\t\t\ttarget: \"#hbspt-form-1785169864000-3017239481\",\n\t\t\t\t\t\t\t\t\tregion: \"na1\",\n\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t})});\n\t\t\t\t\t\t<\/script>\n\t\t\t\t\t\t<div class=\"hbspt-form\" id=\"hbspt-form-1785169864000-3017239481\"><\/div>\n                    <\/div>\n                            <\/div>\n\n            \n            <div class=\"contact-sidebar\">\n                <div class=\"sidebar-content\">\n                                            <h3 class=\"sidebar-heading\">Why choose us?<\/h3>\n                    \n                                            <div class=\"reasons-list\">\n                                                            <div class=\"reason-item\">\n                                    <i class=\"green-icon-bg\"><\/i>\n                                    <div class=\"reason-content\">\n                                        <h4 class=\"reason-title\">Technical expertise<\/h4>\n                                        <div class=\"reason-description\">25+ years of experience, AWS\/Azure certifications, modern stack<\/div>\n                                    <\/div>\n                                <\/div>\n                                                            <div class=\"reason-item\">\n                                    <i class=\"green-icon-bg\"><\/i>\n                                    <div class=\"reason-content\">\n                                        <h4 class=\"reason-title\">Proven methodology<\/h4>\n                                        <div class=\"reason-description\">500+ projects delivered, proven agile method, reliable timelines<\/div>\n                                    <\/div>\n                                <\/div>\n                                                            <div class=\"reason-item\">\n                                    <i class=\"green-icon-bg\"><\/i>\n                                    <div class=\"reason-content\">\n                                        <h4 class=\"reason-title\">Ongoing support<\/h4>\n                                        <div class=\"reason-description\">TMA available, team training, 24\/7 monitoring<\/div>\n                                    <\/div>\n                                <\/div>\n                                                    <\/div>\n                    \n                                            <div class=\"satisfaction-rating\">\n                            <div class=\"rating-display\">\n                                <div class=\"rating-label\">Note satisfaction<\/div>\n                                <div class=\"rating-number\">5.0\/5<\/div>\n                            <\/div>\n                            <div class=\"rating-stars\">\n                                                                                                            <i class=\"fas fa-star\"><\/i>\n             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class=\"contact-form-image\">\n            <img decoding=\"async\" src=\"https:\/\/www.castelis.com\/wp-content\/uploads\/2025\/12\/designer-working-3d-model-2.png\" alt=\"\" \/>\n        <\/div>\n    <\/section>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":2378,"parent":2381,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"content-type":"","footnotes":""},"class_list":["post-2432","page","type-page","status-publish","has-post-thumbnail","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.castelis.com\/en\/wp-json\/wp\/v2\/pages\/2432","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.castelis.com\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.castelis.com\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.castelis.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.castelis.com\/en\/wp-json\/wp\/v2\/comments?post=2432"}],"version-history":[{"count":9,"href":"https:\/\/www.castelis.com\/en\/wp-json\/wp\/v2\/pages\/2432\/revisions"}],"predecessor-version":[{"id":3337,"href":"https:\/\/www.castelis.com\/en\/wp-json\/wp\/v2\/pages\/2432\/revisions\/3337"}],"up":[{"embeddable":true,"href":"https:\/\/www.castelis.com\/en\/wp-json\/wp\/v2\/pages\/2381"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.castelis.com\/en\/wp-json\/wp\/v2\/media\/2378"}],"wp:attachment":[{"href":"https:\/\/www.castelis.com\/en\/wp-json\/wp\/v2\/media?parent=2432"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}