{"id":2467,"date":"2026-03-27T22:20:19","date_gmt":"2026-03-27T22:20:19","guid":{"rendered":"https:\/\/lightgreen-wombat-810778.hostingersite.com\/?page_id=2467"},"modified":"2026-04-27T15:26:12","modified_gmt":"2026-04-27T15:26:12","slug":"create-optimize-business-application","status":"publish","type":"page","link":"https:\/\/www.castelis.com\/en\/create-optimize-business-application\/","title":{"rendered":"Create or evolve a business 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-mesure2-e1776021015274.webp\" alt=\"Create or evolve a business application adapted to your usage\">\n        <\/div>\n    \n    <div class=\"container\">\n                        <div class=\"hero-content-wrapper\">\n            <div class=\"hero-content\">\n                                    <h1 class=\"hero-title\">Create or evolve a business application adapted to your usage<\/h1>\n                \n                                    <div class=\"hero-description\">\n                        <p>A business application must reflect your real processes, integrate with your information system and be adopted by teams. Castelis supports you in designing or optimising custom applications, built for operational performance, reliability and long-term scalability.<\/p>\n\n                    <\/div>\n                \n                                    <div class=\"hero-cta-buttons\">\n                        <a href=\"#contact-section\" class=\"btn btn-primary\">\n                            <i class=\"fas fa-chevron-right\"><\/i>\n                            <span> Speak with 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-69f0ad1c807c7\">\n    <div class=\"container\">\n        <div class=\"toc-wrapper\">\n                            <ul class=\"toc-list\">\n                                                                        <li class=\"toc-item\">\n                                <a href=\"#enjeux-section\" class=\"toc-link\">\n                                    Challenges\n                                <\/a>\n                            <\/li>\n                                                                                                <li class=\"toc-item\">\n                                <a href=\"#method-section\" class=\"toc-link\">\n                                    Method\n                                <\/a>\n                            <\/li>\n                                                                                                <li class=\"toc-item\">\n                                <a href=\"#expertise-section\" class=\"toc-link\">\n                                    Expertise\n                                <\/a>\n                            <\/li>\n                                                                                                <li class=\"toc-item\">\n                                <a href=\"#services-section\" class=\"toc-link\">\n                                    Services\n                                <\/a>\n                            <\/li>\n                                                                                                <li class=\"toc-item\">\n                                <a href=\"#benefices-section\" class=\"toc-link\">\n                                    Benefits\n                                <\/a>\n                            <\/li>\n                                                                                                <li class=\"toc-item\">\n                                <a href=\"#castelis-section\" class=\"toc-link\">\n                                    Why Castelis\n                                <\/a>\n                            <\/li>\n                                                                                                <li class=\"toc-item\">\n                                <a href=\"#success-stories-section\" class=\"toc-link\">\n                                    Case studies\n                                <\/a>\n                            <\/li>\n                                                                                                <li class=\"toc-item\">\n                                <a href=\"#faq-section\" class=\"toc-link\">\n                                    FAQ\n                                <\/a>\n                            <\/li>\n                                                            <\/ul>\n                    <\/div>\n    <\/div>\n<\/nav>\n\n<section class=\"castelis-cards-panel alignment-vertical bg-green heading-center\"  id=\"enjeux-section\" >\n    <div class=\"container\">\n                    <div class=\"cards-panel-header\">\n                                    <div class=\"cards-panel-heading\">\n                        <span class=\"slash-prefix\">\/<\/span>\n                        <h2>What a custom business application concretely changes<\/h2>\n                    <\/div>\n                                \n                                    <div class=\"cards-panel-description\">\n                        <p>Generic or ageing tools create friction that teams end up working around every day: parallel spreadsheets, copy-paste between systems, informal processes nobody really controls. Designing a custom business application makes it possible to restore fluidity, consistency and efficiency to daily operations.<\/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\/easy-use_6642994_green.svg?ver=1776436885\" alt=\"Alignment with real usage\" \/>\n                                                            <\/div>\n                            \n                                                            <h3 class=\"card-title\">Alignment with real usage<\/h3>\n                                                        \n                                                            <p class=\"card-description\">An application designed from your real processes and the daily practices of your teams.<\/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-12.svg\" alt=\"Operational productivity\" \/>\n                                                            <\/div>\n                            \n                                                            <h3 class=\"card-title\">Operational productivity<\/h3>\n                                                        \n                                                            <p class=\"card-description\">Centralise your data, automate flows and reduce manual tasks to improve the overall performance of your organisation.<\/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-14.svg\" alt=\"Durable adoption\" \/>\n                                                            <\/div>\n                            \n                                                            <h3 class=\"card-title\">Durable adoption<\/h3>\n                                                        \n                                                            <p class=\"card-description\">An intuitive user experience designed to facilitate onboarding, promote long-term adoption and evolve at the pace of your organisation and business needs.<\/p>\n                                                        \n                                                        \n                                                                        <\/div>\n                            <\/div>\n            <\/div>\n<\/section>\n\n\n<section class=\"castelis-methodology-timeline\"  id=\"method-section\" >\n    <div class=\"container\">\n                    <h2 class=\"methodology-heading\">\n                <span class=\"slash-prefix\">\/<\/span>\n                A proven method to secure application projects\n            <\/h2>\n        \n        <div class=\"methodology-content\">\n            \n            <div class=\"methodology-left \">   \n                                    <div class=\"methodology-subheading\">\n                        <p>Castelis relies on an industrialised and agile approach, built on more than 25 years of experience, to design high-value, scalable applications integrated into your information system.<\/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\">Scoping<\/h3>\n                                                                        \n                                                                            <p class=\"timeline-step-description\">Analysis of business needs, existing usage and technical constraints to define a clear functional and technical scope.<\/p>\n                                                                        \n                                                                            <div class=\"timeline-step-tags\">\n                                                                                            <span class=\"timeline-tag\">Workshops<\/span>\n                                                                                            <span class=\"timeline-tag\">Scoping<\/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\">Design<\/h3>\n                                                                        \n                                                                            <p class=\"timeline-step-description\">Functional and UX\/UI design to structure user journeys and validate choices.<\/p>\n                                                                        \n                                                                            <div class=\"timeline-step-tags\">\n                                                                                            <span class=\"timeline-tag\">UX\/UI<\/span>\n                                                                                            <span class=\"timeline-tag\">Mockups<\/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\">Development<\/h3>\n                                                                        \n                                                                            <p class=\"timeline-step-description\">Iterative and incremental application development with regular validations and progressive adjustments.<\/p>\n                                                                        \n                                                                            <div class=\"timeline-step-tags\">\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\">Delivery<\/h3>\n                                                                        \n                                                                            <p class=\"timeline-step-description\">Go-live, user training and adoption support.<\/p>\n                                                                        \n                                                                            <div class=\"timeline-step-tags\">\n                                                                                            <span class=\"timeline-tag\">Deployment<\/span>\n                                                                                            <span class=\"timeline-tag\">Training<\/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-highlighted-content-image bg-grey\"  id=\"expertise-section\" >\n    <div class=\"container\">\n        \n        <div class=\"content-wrapper order-2\">\n                            <h2 class=\"content-title\">\n                    <span class=\"slash-prefix\">\/<\/span>\n                    <div>Designing applications that are used, performant and scalable<\/div>\n                <\/h2>\n                        \n                            <p class=\"content-description\">Beyond development, we pay particular attention to usage quality, IS integration and application sustainability. This approach guarantees solutions genuinely adopted by teams and controlled by the IT department.<\/p>\n                        \n                            <div class=\"key-info-blocks\">\n                                            <div class=\"key-info-item\">\n                            <div class=\"key-info-icon\">\n                                                                    <img decoding=\"async\" src=\"https:\/\/www.castelis.com\/wp-content\/uploads\/2025\/12\/Icon-1.svg\" alt=\"UX\/UI workshops integrated from the design stage\" \/>\n                                                            <\/div>\n                            <div class=\"key-info-content\">\n                                <h3 class=\"key-info-title\">UX\/UI workshops integrated from the design stage<\/h3>\n                                <div class=\"key-info-subtitle\">User involvement upstream for interfaces adapted to real usage.<\/div>\n                            <\/div>\n                        <\/div>\n                                            <div class=\"key-info-item\">\n                            <div class=\"key-info-icon\">\n                                                                    <img decoding=\"async\" src=\"https:\/\/www.castelis.com\/wp-content\/uploads\/2025\/12\/Icon-1.svg\" alt=\"Agile development\" \/>\n                                                            <\/div>\n                            <div class=\"key-info-content\">\n                                <h3 class=\"key-info-title\">Agile development<\/h3>\n                                <div class=\"key-info-subtitle\">Short iterations to deliver value quickly and adjust throughout the project.<\/div>\n                            <\/div>\n                        <\/div>\n                                            <div class=\"key-info-item\">\n                            <div class=\"key-info-icon\">\n                                                                    <img decoding=\"async\" src=\"https:\/\/www.castelis.com\/wp-content\/uploads\/2025\/12\/Icon-1.svg\" alt=\"Smooth integration into the information system\" \/>\n                                                            <\/div>\n                            <div class=\"key-info-content\">\n                                <h3 class=\"key-info-title\">Smooth integration into the information system<\/h3>\n                                <div class=\"key-info-subtitle\">Applications designed to integrate naturally into your existing application ecosystem.<\/div>\n                            <\/div>\n                        <\/div>\n                                            <div class=\"key-info-item\">\n                            <div class=\"key-info-icon\">\n                                                                    <img decoding=\"async\" src=\"https:\/\/www.castelis.com\/wp-content\/uploads\/2025\/12\/Icon-1.svg\" alt=\"Evolving support across the full lifecycle\" \/>\n                                                            <\/div>\n                            <div class=\"key-info-content\">\n                                <h3 class=\"key-info-title\">Evolving support across the full lifecycle<\/h3>\n                                <div class=\"key-info-subtitle\">A lasting partnership to evolve the application with your business needs.<\/div>\n                            <\/div>\n                        <\/div>\n                                    <\/div>\n                        \n                            <div class=\"castelis-cta-wrapper\">\n                    <a href=\"#contact-section\" class=\"btn btn-secondary\">\n                        Speak with an expert\n                                            <\/a>\n                <\/div>\n                    <\/div>\n        \n        \n        <div class=\"image-wrapper order-1\">\n                            <img decoding=\"async\" \n                    src=\"https:\/\/www.castelis.com\/wp-content\/uploads\/2025\/12\/computer_v3.png\" \n                    alt=\"Designing applications that are used, performant and scalable\"\n                \/>\n                    <\/div>\n    <\/div>\n<\/section>\n\n\n<section class=\"castelis-cards-panel alignment-horizontal bg-black heading-left\"  id=\"services-section\" >\n    <div class=\"container\">\n                    <div class=\"cards-panel-header\">\n                                    <div class=\"cards-panel-heading\">\n                        <span class=\"slash-prefix\">\/<\/span>\n                        <h2>Custom business applications for specific projects<\/h2>\n                    <\/div>\n                                \n                                    <div class=\"cards-panel-description\">\n                        <p>Through their custom design, business applications address very specific needs where standard solutions reach their limits. The projects below illustrate a few examples of challenges we address.<\/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\/laptop_7267647_green.svg?ver=1776436860\" alt=\"Works council (CSE) platforms\" \/>\n                                                            <\/div>\n                            <div class=\"card-content\">\n                                                                    <h3 class=\"card-title\">Works council (CSE) platforms<\/h3>\n                                                                \n                                                                    <p class=\"card-description\">Development of applications meeting the complex needs of large works councils (CSE).<\/p>\n                                                                \n                                                            <\/div>\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\/laptop_7267647_green.svg?ver=1776436860\" alt=\"HR management tools\" \/>\n                                                            <\/div>\n                            <div class=\"card-content\">\n                                                                    <h3 class=\"card-title\">HR management tools<\/h3>\n                                                                \n                                                                    <p class=\"card-description\">HR applications for managing employee data, careers, interviews, staffing, performance tracking or compensation schemes.<\/p>\n                                                                \n                                                            <\/div>\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\/laptop_7267647_green.svg?ver=1776436860\" alt=\"Custom ERP for service companies\" \/>\n                                                            <\/div>\n                            <div class=\"card-content\">\n                                                                    <h3 class=\"card-title\">Custom ERP for service companies<\/h3>\n                                                                \n                                                                    <p class=\"card-description\">Business management ERPs dedicated to consulting firms, IT services companies or engineering offices, adapted to the specifics of their activity.<\/p>\n                                                                \n                                                            <\/div>\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\/laptop_7267647_green.svg?ver=1776436860\" alt=\"Specialised business applications\" \/>\n                                                            <\/div>\n                            <div class=\"card-content\">\n                                                                    <h3 class=\"card-title\">Specialised business applications<\/h3>\n                                                                \n                                                                    <p class=\"card-description\">Custom application development for specific use cases such as insurance brokerage, industrial logistics or stock and order management.<\/p>\n                                                                \n                                                            <\/div>\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\/laptop_7267647_green.svg?ver=1776436860\" alt=\"Mobile tools designed for the field\" \/>\n                                                            <\/div>\n                            <div class=\"card-content\">\n                                                                    <h3 class=\"card-title\">Mobile tools designed for the field<\/h3>\n                                                                \n                                                                    <p class=\"card-description\">Data access, instant entry, operations tracking: mobile applications designed to improve responsiveness and field performance.<\/p>\n                                                                \n                                                            <\/div>\n                                            <\/div>\n                            <\/div>\n            <\/div>\n<\/section>\n\n\n<section class=\"castelis-highlighted-content-image bg-grey\"  id=\"benefices-section\" >\n    <div class=\"container\">\n        \n        <div class=\"content-wrapper order-1\">\n                            <h2 class=\"content-title\">\n                    <span class=\"slash-prefix\">\/<\/span>\n                    <div>Securing your business applications over time<\/div>\n                <\/h2>\n                        \n                            <p class=\"content-description\">Our applications are designed to last, evolve with your needs and remain manageable by your technical teams.<\/p>\n                        \n                            <div class=\"key-info-blocks\">\n                                            <div class=\"key-info-item\">\n                            <div class=\"key-info-icon\">\n                                                                    <img decoding=\"async\" src=\"https:\/\/www.castelis.com\/wp-content\/uploads\/2025\/12\/Icon-1.svg\" alt=\"Controlled scalability\" \/>\n                                                            <\/div>\n                            <div class=\"key-info-content\">\n                                <h3 class=\"key-info-title\">Controlled scalability<\/h3>\n                                <div class=\"key-info-subtitle\">Architectures designed to support growth and business evolution.<\/div>\n                            <\/div>\n                        <\/div>\n                                            <div class=\"key-info-item\">\n                            <div class=\"key-info-icon\">\n                                                                    <img decoding=\"async\" src=\"https:\/\/www.castelis.com\/wp-content\/uploads\/2025\/12\/Icon-1.svg\" alt=\"Secure integration\" \/>\n                                                            <\/div>\n                            <div class=\"key-info-content\">\n                                <h3 class=\"key-info-title\">Secure integration<\/h3>\n                                <div class=\"key-info-subtitle\">Applications consistent with your IS and technical constraints.<\/div>\n                            <\/div>\n                        <\/div>\n                                    <\/div>\n                        \n                            <div class=\"castelis-cta-wrapper\">\n                    <a href=\"#contact-section\" class=\"btn btn-secondary\">\n                        Speak with an expert\n                                            <\/a>\n                <\/div>\n                    <\/div>\n        \n        \n        <div class=\"image-wrapper order-2\">\n                            <img decoding=\"async\" \n                    src=\"https:\/\/www.castelis.com\/wp-content\/uploads\/2026\/04\/fotis-fotopoulos-DuHKoV44prg-unsplash-1.webp\" \n                    alt=\"Securing your business applications over time\"\n                \/>\n                    <\/div>\n    <\/div>\n<\/section>\n\n\n<section class=\"castelis-cards-panel alignment-vertical bg-green heading-center\"  id=\"castelis-section\" >\n    <div class=\"container\">\n                    <div class=\"cards-panel-header\">\n                                    <div class=\"cards-panel-heading\">\n                        <span class=\"slash-prefix\">\/<\/span>\n                        <h2>A partner that understands your business and IS challenges<\/h2>\n                    <\/div>\n                                \n                                    <div class=\"cards-panel-description\">\n                        <p>Castelis designs business applications combining usage understanding, technical mastery and proven methodology.<\/p>\n\n                    <\/div>\n                            <\/div>\n                \n                    <div class=\"cards-grid cards-grid-4\">\n                                    <div class=\"card-item\">\n                                                    \n                            <div class=\"card-icon\">\n                                                                    <img decoding=\"async\" src=\"https:\/\/www.castelis.com\/wp-content\/uploads\/2026\/02\/check-1.svg\" alt=\"Dual competence\" \/>\n                                                            <\/div>\n                            \n                                                            <h3 class=\"card-title\">Dual competence<\/h3>\n                                                        \n                                                            <p class=\"card-description\">Business and IT expertise for genuinely adapted solutions.<\/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\/2026\/02\/check-1.svg\" alt=\"Pragmatic approach\" \/>\n                                                            <\/div>\n                            \n                                                            <h3 class=\"card-title\">Pragmatic approach<\/h3>\n                                                        \n                                                            <p class=\"card-description\">Projects designed to be performant, used and scalable.<\/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\/2026\/02\/check-1.svg\" alt=\"Agile methodology\" \/>\n                                                            <\/div>\n                            \n                                                            <h3 class=\"card-title\">Agile methodology<\/h3>\n                                                        \n                                                            <p class=\"card-description\">Iterative and incremental approach limiting risks and promoting adaptation.<\/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\/2026\/02\/check-1.svg\" alt=\"Strong references\" \/>\n                                                            <\/div>\n                            \n                                                            <h3 class=\"card-title\">Strong references<\/h3>\n                                                        \n                                                            <p class=\"card-description\">Projects delivered for organisations with varied and demanding contexts.<\/p>\n                                                        \n                                                        \n                                                                        <\/div>\n                            <\/div>\n            <\/div>\n<\/section>\n\n\n<section class=\"client-case-studies\"  id=\"success-stories-section\" >\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 inter-company billing<\/h3>\n                                \n                                                                    <p class=\"case-description\">Automation and securing of inter-company 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 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 profitability of a consulting firm\">\n                                <\/div>\n                            \n                            <div class=\"case-content\">\n                                                                    <h3 class=\"case-title\">Lucernys | Improving profitability of a consulting firm<\/h3>\n                                \n                                                                    <p class=\"case-description\">Deployment of Chronos Business Management ERP to centralise 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<\/div>\n                                                <div class=\"figure-label\">Years of support<\/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 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-section\" >\n    <div class=\"container\">\n        <h2 class=\"faq-title\">\n            <span class=\"slash-prefix\">\/<\/span>\n            <div>FAQ on custom business applications<\/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-section-0\"\n                            onclick=\"this.closest('.faq-item').classList.toggle('active'); this.setAttribute('aria-expanded', this.getAttribute('aria-expanded') === 'true' ? 'false' : 'true');\"\n                        >\n                            <h3>When is a custom business application relevant?<\/h3>\n                            <i class=\"faq-icon\"><\/i>\n                        <\/button>\n                    <\/div>\n                    <div \n                        class=\"faq-answer\" \n                        id=\"faq-faq-section-0\"\n                        role=\"region\"\n                    >\n                        <div class=\"container\">\n                            <div class=\"faq-answer-content\">\n                                <p>When a standard tool no longer covers your needs, generates workarounds or becomes an operational weak point. An analysis determines whether you need to create, optimise or rebuild an existing application.<\/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-section-1\"\n                            onclick=\"this.closest('.faq-item').classList.toggle('active'); this.setAttribute('aria-expanded', this.getAttribute('aria-expanded') === 'true' ? 'false' : 'true');\"\n                        >\n                            <h3>Does optimising an existing application always mean starting from scratch?<\/h3>\n                            <i class=\"faq-icon\"><\/i>\n                        <\/button>\n                    <\/div>\n                    <div \n                        class=\"faq-answer\" \n                        id=\"faq-faq-section-1\"\n                        role=\"region\"\n                    >\n                        <div class=\"container\">\n                            <div class=\"faq-answer-content\">\n                                <p>No. Many projects involve evolving what exists: partial redesign, UX improvement, automation or technical modernisation, without a complete rebuild.<\/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-section-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 adoption by users?<\/h3>\n                            <i class=\"faq-icon\"><\/i>\n                        <\/button>\n                    <\/div>\n                    <div \n                        class=\"faq-answer\" \n                        id=\"faq-faq-section-2\"\n                        role=\"region\"\n                    >\n                        <div class=\"container\">\n                            <div class=\"faq-answer-content\">\n                                <p>Adoption relies on user involvement from the design stage, a UX adapted to real usage, and ongoing support well beyond deployment.<\/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-section-3\"\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 code and the application?<\/h3>\n                            <i class=\"faq-icon\"><\/i>\n                        <\/button>\n                    <\/div>\n                    <div \n                        class=\"faq-answer\" \n                        id=\"faq-faq-section-3\"\n                        role=\"region\"\n                    >\n                        <div class=\"container\">\n                            <div class=\"faq-answer-content\">\n                                <p>The client retains ownership of their application. Castelis designs documented, maintainable solutions that can be integrated into your existing ecosystem.<\/p>\n\n                            <\/div>\n                        <\/div>\n                    <\/div>\n                <\/div>\n                    <\/div>\n    <\/section>\n\n\n<section class=\"castelis-contact-form\"  id=\"contact-section\" >\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: 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class=\"reason-title\">Technical expertise<\/h4>\n                                        <div class=\"reason-description\">15+ 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\">100+ projects delivered, 95% client satisfaction, on-time delivery<\/div>\n                                    <\/div>\n                                <\/div>\n                                                            <div class=\"reason-item\">\n                                    <i class=\"green-icon-bg\"><\/i>\n    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<\/section>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":2,"featured_media":2378,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"content-type":"","footnotes":""},"class_list":["post-2467","page","type-page","status-publish","has-post-thumbnail","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.castelis.com\/en\/wp-json\/wp\/v2\/pages\/2467","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\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.castelis.com\/en\/wp-json\/wp\/v2\/comments?post=2467"}],"version-history":[{"count":2,"href":"https:\/\/www.castelis.com\/en\/wp-json\/wp\/v2\/pages\/2467\/revisions"}],"predecessor-version":[{"id":2471,"href":"https:\/\/www.castelis.com\/en\/wp-json\/wp\/v2\/pages\/2467\/revisions\/2471"}],"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=2467"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}