Migrate or optimise your cloud
Reduce costs, improve performance, and secure your applications with a controlled cloud migration or optimisation. Castelis guides you from strategy to operations, without service interruption.
A performant, secure cloud aligned with your business needs
A poorly prepared cloud migration or sub-optimised infrastructure generates excess costs, slowdowns, and security risks. The challenge: a reliable, scalable cloud environment genuinely tailored to your needs.
Performance
Faster applications, right-sized infrastructure, and a better experience for users.
Cost control
Resource optimisation, elimination of unnecessary spending, and clear visibility over cloud costs.
Security & compliance
Protected data, controlled access, and compliance with security and regulatory standards.
/ A structured approach to secure your cloud migration
We follow a structured, iterative process to guarantee a smooth transition, minimise risks, and ensure a controlled go-live.
Scoping
Analysis of the existing environment, technical constraints, and business objectives to define the best cloud strategy.
Architecture
Design of a tailored, secure, and scalable cloud architecture aligned with your usage and IT landscape.
Migration
Progressive migration of applications and data with continuous testing to avoid any interruption.
Optimisation
Performance, cost, and security level adjustments after go-live.
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Migrate to the cloud without service interruption
Our teams design migration strategies that guarantee business continuity through progressive deployments, hybrid environments, and controlled recovery plans.
Batch deployments to limit risk
Hybrid cloud / on-premise environments
Automated tests before each release
Integrated business continuity and recovery plan
Cloud services designed for your IT landscape
We implement robust, secure cloud solutions that interoperate with your existing information system.
Cloud audit
Analysis of the existing infrastructure and identification of optimisation levers.
Application migration
Secure transfer of your applications and data to the cloud.
Cost optimisation
Resource adjustment to durably reduce cloud spending.
Security & compliance
Backups, access management, and sensitive data protection.
Supervision
Continuous monitoring of performance and availability.
Support & Run
Operations and maintenance to guarantee stability over time.
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A reliable, scalable cloud for the long term
Beyond migration, Castelis supports you in making your cloud a genuine driver of lasting performance.
Availability
Scalability
Enhanced security
Your trusted cloud partner
Castelis combines technical expertise and business understanding to support you durably in your cloud projects.
Cloud expertise
Mastery of Azure, hybrid, and multi-cloud environments.
IS integration
Seamless connection with your existing applications and tools.
End-to-end support
From strategy to operations, with knowledge transfer.
24/7 Run
Technical support and continuous monitoring.
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Your questions on cloud migration and optimisation
The duration depends on the complexity of your IT landscape and the volume of applications. We favour progressive migrations that keep the business running throughout the project.
No. Our strategies are designed to guarantee business continuity through intermediate environments and pre-release testing.
We analyse your actual usage to optimise resources, eliminate overcapacity, and ensure predictable billing.
Yes. We implement advanced security mechanisms, automated backups, and strict access controls.
Let's talk about your project
