In today's fast-moving business environment, many organizations across France are turning to specialized cloud migration companies to modernize their IT infrastructure. These expert teams help businesses shift workloads smoothly from on-premise systems to scalable cloud platforms, whether public, private, or hybrid setups. With a strong focus on data security, minimal downtime, and full regulatory compliance, the top cloud migration companies in France deliver tailored strategies that align with both technical needs and long-term business goals. What sets the best cloud migration companies in France apart is their deep understanding of local market demands, including sovereign cloud requirements and GDPR standards. They combine proven methodologies with advanced tools to handle complex migrations for enterprises of all sizes, resulting in improved performance, cost efficiency, and greater agility. Partnering with the right provider makes the entire process far less disruptive and much more rewarding for teams looking to future-proof their operations.

1. Oski Solutions

OSKI Solutions provides cloud migration services in France as part of our full-cycle custom software development and digital transformation work. We understand the French market well, especially its emphasis on data compliance, secure environments, and careful transitions from legacy systems to modern cloud platforms in Azure and AWS. Our experience supports companies in e-commerce, healthcare, fintech, logistics, and manufacturing as they move workloads while keeping day-to-day operations stable and in line with local requirements.

In our projects we combine cloud migration with legacy system modernization, microservice architecture, serverless solutions, and API integration, along with dedicated team support. This draws on our strong expertise in .NET development, React development, Node.js development, Docker and Kubernetes containers, and Terraform for infrastructure as code. We also work with Umbraco CMS solutions, MSSQL and PostgreSQL databases, and integrated AI features using C# and Python to create practical, modern cloud setups.

Key Highlights:

• Strong capabilities in Azure and AWS environments

• Support for microservice architecture and serverless solutions

• Experience with API integration and container orchestration

• Focus on secure and compliant cloud transitions

Services:

• Cloud migration

• Legacy system modernization

• API integration

• Microservice architecture implementation

• Serverless solution deployment

• Digital transformation support

Contact Information:

• Website: oski.site

• E-mail: contact@oski.site

• LinkedIn: www.linkedin.com/company/oski-solutions

• Address: Kaupmehe tn 7, 10114 Tallinn, Estonia

• Phone: +48571282759

2. Cloudiway

Cloudiway focuses on migration projects between Microsoft 365 and Google Workspace platforms along with several other collaboration tools. The company built its solution around tenant-to-tenant transfers, mailbox moves, file storage migrations, and handling of Teams channels. Cloudiway also covers Slack workspace transitions and directory synchronization tasks such as global address list management. The platform runs from European data centers and includes real-time monitoring features that give visibility into migration progress.

Cloudiway supports different business scenarios including company reorganizations and mergers where smooth data transfer becomes essential. The system offers dashboards that help manage multiple projects at once while keeping an eye on potential issues. Security and compliance aspects stay central to how the platform operates, especially for organizations that need to meet European data protection requirements.

Key Highlights:

• Zero downtime approach during active mailbox moves

• Multi-tenant dashboard suitable for managing multiple projects

• Real-time monitoring and error reporting tools

• European data center hosting for regional compliance

Services:

• Mailbox migration between Exchange, Microsoft 365, Google Workspace and IMAP

• File migration from OneDrive, Google Drive, SharePoint and other storage

• Teams migration for channels, chats and files

• Tenant-to-tenant consolidation projects

• GALSync for directory synchronization

• Slack workspace migration support

Contact Information:

• Website: cloudiway.com

• Email: sales@cloudiway.com

• Address: Impasse de la Ravoire, 74370 Epagny Metz-Tessy, France

• LinkedIn: www.linkedin.com/company/cloudiway

• Facebook: www.facebook.com/CloudiwayCorp

• Twitter: x.com/cloudiway

3. Air Cloud

Air Cloud specializes in email migration work with a clear priority on keeping all data intact throughout the process. Operating from Strasbourg, the company supports transitions mainly toward Microsoft 365 environments while also handling related document migrations. Air Cloud pays close attention to business continuity so that daily operations experience as little interruption as possible. The company works as part of the regional Microsoft partner network in eastern France.

The migration approach at Air Cloud includes careful testing phases before full cutover. Teams there manage both email content and associated files in a coordinated manner. Air Cloud keeps its focus on practical, reliable delivery for organizations that cannot afford data gaps or extended downtime during the switch.

Key Highlights:

• Focus on email migration with attention to zero data loss

• Coordinated document transfer to Microsoft 365

• Regional operations based in Strasbourg

• Emphasis on maintaining business continuity

Services:

• Email migration service

• Document migration to Microsoft 365

• Cloud-based file transfer solutions

• Microsoft environment deployment support

• Pre-migration assessment and testing

• Post-migration verification processes

Contact Information:

• Website: air-cloud.fr

• Phone: 01 88 88 48 40

• Email: contact@air-cloud.fr

• Address: 24 rue de l'industrie, 67 400 Illkirch-Graffenstaden, France

• LinkedIn: www.linkedin.com/company/air-cloud-fr

4. Devoteam

Devoteam assists with AWS migration projects and broader cloud transformation efforts. The company applies structured frameworks that cover assessment, planning, and execution phases for moving workloads. Based in the Paris area, Devoteam helps organizations modernize their applications and optimize costs during the transition. The team works as an established AWS partner and brings practical experience from similar projects in France.

Cloud transformation initiatives at Devoteam usually include strategy development alongside the actual migration work. The company supports businesses through different stages from initial discovery to final optimization. This methodical approach helps reduce surprises and keeps projects aligned with business priorities.

Key Highlights:

• Structured methodology for AWS cloud migrations

• Focus on business-aligned transformation strategies

• Support throughout assessment and execution stages

• Experience as an AWS partner in France

Services:

• AWS cloud migration planning

• Workload modernization on AWS

• Cloud adoption strategy development

• Migration acceleration program implementation

• Infrastructure optimization consulting

• Cost management and governance setup

Contact Information:

• Website: www.devoteam.com

• Phone: +33 1 41 49 48 48

• Email: id.dt.sales@devoteam.com

• Address: 73 rue Anatole France, 92300 Levallois Perret, France

• LinkedIn: www.linkedin.com/company/devoteam

• Twitter: x.com/devoteam

5. DigitalCook

DigitalCook supports migration initiatives across public, private, and hybrid cloud setups as part of broader IT transformation services. The company works with organizations in France to handle infrastructure changes while maintaining focus on security and operational continuity. DigitalCook combines migration work with ongoing management and consulting offerings.

The services include elements of IT outsourcing and infrastructure monitoring that complement cloud projects. DigitalCook pays attention to the specific needs of different business sectors during these transitions. The company delivers its work from a base in France with an eye toward practical outcomes.

Key Highlights:

• Support for public private and hybrid cloud migrations

• Integration with IT infrastructure management

• Focus on security during cloud transitions

• Sector-specific approach to digital projects

Services:

• Cloud migration across different environments

• IT infrastructure monitoring

• Managed services and outsourcing

• Consulting for digital transformation

• Cybersecurity measures for cloud setups

• Support and maintenance services

Contact Information:

• Website: www.digitalcook.fr

• Phone: +33 970 408 500

• Email: contact@digitalcook.fr

• Address: 10 Rue de Penthièvre - 75008 Paris, France

• LinkedIn: www.linkedin.com/company/digitalcookconsulting

• Facebook: www.facebook.com/Digitalcook.fr

• Instagram: www.instagram.com/digitalcook_france

6. Moov'inCloud

Moov'inCloud specializes in data and application migration projects with attention to hybrid cloud strategies. The company based in Paris guides organizations through the process of moving to public and private cloud platforms. Moov'inCloud emphasizes a progressive approach that aligns with digital transformation goals.

The work involves careful planning for both data transfer and application adaptation. Moov'inCloud helps businesses adopt cloud solutions in a way that balances agility and control. This includes support for scaling operations once the migration reaches completion.

Key Highlights:

• Focus on data and application migration

• Hybrid cloud strategy implementation

• Progressive migration methodology

• Paris operations with emphasis on transformation

Services:

• Application migration to cloud platforms

• Data migration services

• Hybrid cloud solution design

• Cloud adoption planning

• Post-migration scaling support

Contact Information:

• Website: moovincloud.fr

• Phone: 09 82 58 55 08

• Email: contact@moovincloud.fr

• Address: 45, rue du Cardinal Lemoine 75005 Paris

• LinkedIn: www.linkedin.com/company/moov-incloud

7. Capgemini

Capgemini delivers comprehensive cloud migration support as part of its wider technology and consulting services. The company with headquarters in Paris works on large-scale projects that include cloud transformation for various industries. Capgemini combines migration expertise with strategy development and implementation.

The offerings cover different aspects of moving to cloud environments while addressing business needs. Capgemini supports organizations through the full cycle from planning to execution and beyond. This includes integration with emerging technologies during cloud initiatives.

Key Highlights:

• Full scope cloud migration capabilities

• Integration with broader transformation projects

• Strategy and implementation support

• Work across multiple industry sectors

Services:

• Cloud migration planning and execution

• Digital transformation consulting

• Cloud strategy development

• Application and infrastructure modernization

• Technology integration services

• Ongoing cloud management support

Contact Information:

• Website: www.capgemini.com

• Phone: +33 1 47 54 50 00

• Address: Place de l’Étoile, 11 rue de Tilsitt, 75017 Paris, France

• LinkedIn: www.linkedin.com/company/capgemini

• Facebook: www.facebook.com/Capgemini

• Instagram: www.instagram.com/capgemini

8. Atos

Atos provides cloud migration services within its portfolio of digital and infrastructure solutions. The company handles projects that involve moving to cloud environments with attention to security and operational requirements. Atos supports both standard migrations and those in regulated or complex settings.

The approach includes elements of sovereign cloud options and cybersecurity measures. Atos works on infrastructure modernization alongside data and application transfers. This helps organizations adapt their systems while maintaining compliance and performance standards.

Key Highlights:

• Cloud migration as part of infrastructure services

• Support for secure and regulated environments

• Integration with cybersecurity offerings

• Focus on digital sovereignty options

Services:

• Cloud migration for infrastructure and applications

• Sovereign cloud implementation

• Cybersecurity integration in migrations

• Infrastructure modernization

• Digital transformation support

• Managed cloud services

Contact Information:

• Website: atos.net

• Phone: +33 1 73 26 00 00

• Address: River Ouest, 80 quai Voltaire, 95877 Bezons cedex – France

• LinkedIn: www.linkedin.com/company/atos

• Facebook: www.facebook.com/Atos

• Twitter: x.com/atos

• Instagram: www.instagram.com/atosinside

9. Orange Business Services

Orange Business Services delivers enterprise cloud migration services across platforms that include AWS and Azure. The company supports organizations in France with structured approaches to moving workloads while addressing security and compliance needs. Orange Business Services integrates migration work with broader digital transformation initiatives and offers options for sovereign cloud environments through partnerships.

The services cover planning, execution, and modernization phases for infrastructure and applications. Orange Business Services maintains a focus on hybrid setups and provides ongoing management support after the transition. This setup helps businesses in regulated sectors handle data sovereignty requirements during cloud projects.

Key Highlights:

• Enterprise focus on AWS and Azure migrations

• Support for sovereign cloud options like Bleu

• Integration with digital transformation projects

• Emphasis on security and compliance in France

Services:

• Cloud migration planning and execution

• Workload modernization for Azure and AWS

• Sovereign cloud implementation support

• Hybrid cloud strategy development

• Managed cloud services post-migration

• Cybersecurity integration during transitions

Contact Information:

• Website: www.orange-business.com

• Phone: +33 1 55 54 22 00

• Address: 1 Place des Droits de l’Homme, 93457 La Plaine Saint-Denis Cedex, France

• LinkedIn: www.linkedin.com/company/orange-business-services

• Facebook: www.facebook.com/orangebusiness

• Twitter: x.com/orangebusiness

10. Scaleway

Scaleway provides cloud services with migration support as part of its European platform. The company helps organizations move infrastructure to its environments while focusing on data sovereignty and transparent operations. Scaleway offers tools and documentation for different migration strategies from other providers or on-premise setups.

The portfolio includes compute, storage, and container options that support post-migration scaling. Scaleway maintains multiple availability zones in Europe and emphasizes open technologies during transitions. This approach suits businesses looking for alternatives to larger hyperscalers in France.

Key Highlights:

• European cloud platform with migration guidance

• Focus on data sovereignty for French organizations

• Support for infrastructure and workload moves

• Open and interoperable technology approach

Services:

• Migration to Scaleway cloud environments

• Compute and storage workload transfers

• Container and Kubernetes migration support

• Data sovereignty compliant hosting

• Bare metal and elastic metal options

• Network and database setup after migration

Contact Information:

• Website: www.scaleway.com

• Address: 8, rue de la Ville-l’Evêque, 75008 Paris, France

• Email: abuse-contact@scaleway.com

• LinkedIn: www.linkedin.com/company/scaleway

• Twitter: x.com/Scaleway

• Instagram: www.instagram.com/scaleway

11. Claranet

Claranet delivers managed services alongside cloud migration offerings. The company supports move-to-cloud projects in public, private, or hybrid configurations with attention to compliance and security. Claranet combines migration work with application modernization and ongoing run services.

The approach includes FinOps practices and certified hosting options suitable for regulated environments in France. Claranet helps organizations with digital transformation while maintaining operational continuity. This covers both infrastructure and data-related aspects during cloud transitions.

Key Highlights:

• Managed services integrated with cloud migration

• Support for public private and hybrid environments

• Compliance and security focus in France

• Application modernization during transitions

Services:

• Move to cloud projects

• Managed cloud operations

• Application and platform modernization

• Cybersecurity and compliance support

• Data and AI platform implementation

• Run and support services post-migration

Contact Information:

• Website: www.claranet.fr

• Phone: 01 85 65 32 52

• Email: feedback@claranet.de

• Address: 11 Rue du Faubourg Poissonnière, 75009 Paris

• LinkedIn: www.linkedin.com/company/claranet-france

• Twitter: x.com/claranet_FR

12. Enix

Enix supports cloud-native migration projects and managed services with a focus on Kubernetes and DevOps practices. The company operates from France and helps organizations modernize their infrastructure whether on-premises, in private sovereign cloud, or on third-party platforms. Enix designs and operates custom platforms that include virtualization, storage, databases, and networking components while applying automation techniques such as GitOps and Infrastructure as Code.

Enix delivers consulting, audits, and full 24/7 managed operations for cloud environments along with building complex platforms. The approach combines container orchestration expertise with practical run support so companies can concentrate on development activities. Enix maintains an emphasis on open-source technologies and secure operations within the French market.

Key Highlights:

• Expertise in Kubernetes and cloud-native architectures

• Support for on-premises private sovereign and third-party cloud environments

• DevOps automation and CI/CD pipeline implementation

• 24/7 managed operations with dedicated support channels

Services:

• Cloud platform design and deployment

• Kubernetes orchestration and container management

• DevOps consulting and infrastructure automation

• Audit and strategy for cloud adoption

• Run and infogérance for applications and data

• Custom platform integration and build

Contact Information:

• Website: enix.io

• Phone: +33 1 86 76 08 08

• Email: contact@enix.fr

• Address: 40 rue de Clery, Paris, France

• LinkedIn: www.linkedin.com/company/enix-sas

13. OUTSCALE

OUTSCALE delivers secure cloud migration services as part of its sovereign cloud platform under Dassault Systèmes. The company provides environments qualified for high security standards and supports organizations moving workloads with attention to data sovereignty. OUTSCALE offers Kubernetes as a Service and large language model capabilities alongside core cloud resources.

The platform includes tools for application deployment and business process optimization while maintaining European data residency. OUTSCALE focuses on secure and sustainable cloud operations suitable for regulated sectors in France. This includes marketplace options and managed experiences for virtual twins and data-driven innovation.

Key Highlights:

• Sovereign and secure cloud infrastructure

• Support for secure migration to qualified environments

• Integration with Kubernetes and AI services

• Emphasis on data sovereignty and compliance

Services:

• Secure workload migration to sovereign cloud

• Kubernetes as a Service deployment

• Large language models as a service

• Cloud experience and application hosting

• Business process optimization platforms

• Marketplace solution integration and management

Contact Information:

• Website: en.outscale.com

• Phone: 0826 206 307

• Email: support@outscale.com

• Address: 1, rue Royale - 319 Bureaux de la Colline, 92210 Saint-Cloud, France

• LinkedIn: www.linkedin.com/company/outscale

• Twitter: x.com/outscale

Conclusion

Choosing the right partner for cloud migration in France really comes down to understanding your specific situation. French businesses often face a mix of strict data regulations, the need for sovereignty, and pressure to move quickly without disrupting operations. The companies we looked at show that solid technical skill paired with local market knowledge makes a noticeable difference in how smooth the whole process feels.

At the end of the day, a successful migration isn’t just about moving data and applications. It’s about ending up with an infrastructure that actually supports your growth, keeps costs under control, and gives you more flexibility for the future. Take time to look closely at how each provider handles compliance, their real project experience, and how well they listen to what you need. The right choice here can quietly become one of the best decisions your organization makes this year.