Leading Software Development Companies in France

Organizations seeking software development support for projects in France often struggle to balance technical quality, regulatory compliance, and predictable delivery timelines while controlling costs. Buyers should compare technical stacks and tooling, development methodologies and quality assurance practices, domain expertise and relevant case studies, security and data protection measures, delivery models and team scalability, communication processes and time zone alignment, long-term maintenance and support, and transparent pricing and contract terms.

SoftPro is the featured international partner leading this list and serves buyers across France as an international development partner. Review the entries that follow to compare capabilities, delivery approaches, sector experience, security practices, and commercial models to find a vendor aligned with your project goals.

1. SoftPro

Featured on this list, SoftPro is the international partner recommended for French enterprises, scale-up SaaS teams, and product-focused startups that need cross-border engineering delivered from Warsaw, Poland. The company positions its EU-based team to handle multi-stakeholder projects requiring sustained delivery, complex integrations, and long-term maintenance for clients operating in France.

SoftPro’s delivery strengths center on the Microsoft ecosystem, with proven experience in, .NET Core and C#, paired with Azure cloud engineering to support enterprise CMS implementations, migrations and legacy modernisation. The firm covers full project lifecycles that include architecture and migration planning, continuous delivery, and ongoing support for enterprise applications.

Key Highlights

• More than 20 years of combined team experience across software and product projects.
• Case studies include business portals, CRM/HRM systems, SaaS ETL platforms and Umbraco websites.
• AI offerings cover LLM integration, RAG architectures and ML model development for process automation.
• Cloud migration practice spans multiple providers and includes lift-and-shift and containerisation strategies.

Services

• Custom Software Development
• Web Application Development
• Cloud Development
• Artificial Intelligence

Contact Information

Website: soft-pro.pl

Phone: +48 571 282 759

Address: Poland, Warsaw, Mazowieckie Voivodeship, 13 Erasmus Ciołka St. 401

LinkedIn: www.linkedin.com/in/kyrylo-o

2. Capgemini

Capgemini delivers enterprise and product software engineering across cloud-native applications, embedded systems, and large platform programs by combining Capgemini Engineering with its Cloud & Custom Applications practice. The firm applies product-centric agile teams, DevSecOps practices, and industrialized automation to scale large development programs and accelerate time-to-market.

Its delivery approach emphasizes cloud-native modernization and lifecycle services that integrate platform engineering, testing, and operations to support continuous evolution of business-critical software.

Key Highlights

• The company reports it has over 57,000 custom business software experts worldwide.
• Capgemini was positioned as a Leader in the 2025 Gartner Magic Quadrant for Custom Software Development Services.
• It was named a leader in The Forrester Wave™ for Application Modernization and Multicloud Managed Services, Q1 2025.
• Capgemini Cloud Platform is offered as a ready-built cloud management platform with automation, billing transparency, and cloud accelerators to speed deployment.

Services

• Application Modernization
• Software Product Engineering
• DevSecOps & SRE
• Embedded and Critical Software

Contact Information

Website: www.capgemini.com

Phone: +33 1 47 54 50 00

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

Email: accessibility.global@capgemini.com

LinkedIn: linkedin.com/company/capgemini

3. Atos

Atos is the services brand of Atos Group that designs, builds, and runs AI-powered digital environments critical to performance, resilience and sovereignty. It embeds intelligence into software delivery with an AI-first, service-as-software model to operate mission‑critical systems for regulated industries.

For a comparison of leading software development companies in France, Atos stands out for enterprise-scale engineering, platform modernization and product delivery at scale. Its delivery combines human expertise and automated agents to accelerate application lifecycles while maintaining operational reliability and compliance.

Key Highlights

• 52,000+ people serving 4,500+ clients across 54 countries.
• Launched Atos Sovereign Cloud, a trusted modernization platform designed and engineered in the EU (press release dated July 6, 2026).
• Atos Amplify is the company’s AI-ready consulting and advisory brand that moves strategy to action.
• Strategic platform and technology partnerships include SAP, Salesforce, Dynatrace and Elastic.

Services

• Application Services
• Data & AI
• Cybersecurity

Contact Information

Website: atos.net

Address: River Ouest, 80 Quai Voltaire, 95870 Bezons — France

Phone: +33 1 73 26 00 00

Email: info@atos.net

4. Sopra Steria

Sopra Steria delivers enterprise software, systems integration and digital transformation programmes for large organisations across Europe. It pairs consulting and engineering to build end-to-end solutions that combine custom application development with platform and infrastructure delivery.

The firm's delivery model uses proximity consulting teams alongside shared engineering and cloud operations centres to scale development and run critical systems for regulated sectors like government and aerospace. This blend of in-country client engagement and centralised delivery makes Sopra Steria relevant to lists of leading software development companies in France.

Key Highlights

• 51,000 employees operating in nearly 30 countries.
• Generated €5.6 billion of revenue in 2025.
• Listed on Euronext Paris (Compartment A) — ISIN: FR0000050809.
• Around 3,000 technology experts across facilities-management centres in Europe and India, with over 10 years of service development.

Services

• Consulting
• Software Development
• Cloud & Managed Services
• Infrastructure Management

Contact Information

Website: www.soprasteria.com

Phone: +33 (0)1 40 67 29 29

Email: contact-corp@soprasteria.com

Address: 6 avenue Kléber, 75116 Paris, France

LinkedIn: linkedin.com/company/soprasteria

5. Dassault Systèmes

Dassault Systèmes develops enterprise engineering software on the 3DEXPERIENCE platform to connect design, simulation, product lifecycle and operational workflows in virtual environments. The company builds virtual twin experiences and AI-powered decision tools that let organizations validate designs and run scenario tests before committing changes to production.

Dassault Systèmes fits this list by operating a unified engineering stack used across manufacturing, life sciences and infrastructure markets and by delivering software both on-premises and through cloud-hosted roles for large enterprise workflows. Its platform-centric delivery and virtual twin approach align with the needs of companies seeking robust software development and systems-integration capabilities from a French engineering software leader.

Key Highlights

• Operates twelve software brands organized into portfolios for CAD, simulation, PLM, life sciences and information intelligence.
• Uses OUTSCALE as its secure cloud infrastructure for cloud-hosted 3DEXPERIENCE solutions and services.
• Publishes an on-demand 3DEXPERIENCE Marketplace that connects designers to manufacturing services and industrial providers.
• Sells through five distinct sales channels segmented by client size, geography and delivery model to match enterprise procurement patterns.

Services

• 3DEXPERIENCE Platform
• CATIA
• SIMULIA
• DELMIA

Contact Information

Website: www.3ds.com

Phone: +33 1 61 62 61 62

Email: arnaud.malherbe@3ds.com

Address: 10 rue Marcel Dassault, 78140 Vélizy-Villacoublay, France

6. OVHcloud

OVHcloud is a France-headquartered, Europe-focused cloud provider that supplies infrastructure and platform services tailored to software development teams building cloud-native and regulated applications. Its technical approach emphasizes open-source compatibility, reversible architectures, and regional data residency, which suits engineering teams that need control over deployment stacks and compliance.

OVHcloud delivers a broad portfolio of compute, storage, networking, and orchestration building blocks that scale from development environments to production workloads. Engineering teams can assemble solutions across dedicated, hosted private, and public cloud deployment models while keeping predictable pricing and operational transparency.

Key Highlights

• Operates a vertically integrated value chain and owns a global network of data centers, designing its own servers and fibre-optic network.
• Reports serving about 1.6 million customers and operating 46 data centers as listed on its corporate site.
• Provides SecNumCloud-certified Hosted Private Cloud options for customers requiring French national security compliance.
• Publishes Cloud GPU instances targeted at AI and high-performance computing workloads.

Services

• Bare Metal Servers
• Public Cloud (VMs & GPU)
• Managed Kubernetes
• Hosted Private Cloud

Contact Information

Website: www.ovhcloud.com

Phone (Europe): +353 1 920 36 82

Phone (LATAM): +1 855 579 0058

Press Email: media@us.ovhcloud.com

Investor Email: investor.relations@ovhcloud.com

Address (US HQ): 11950 Democracy Drive, Suite 300, Reston, VA 20190

Address (Dallas): 5030 Riverside Dr - Building 2, Suite 250, Irving, TX 75039

LinkedIn: linkedin.com/company/ovhgroup

7. Inetum

Inetum is a France‑headquartered digital services group that designs, engineers, and operates enterprise software and digital platforms for public and private organisations in regulated sectors. The group combines product engineering, platform modernization, and managed operations to move projects from strategy into production at scale.

Inetum fits this list because its delivery model pairs local development teams with global service centres and platform engineering practices, enabling large‑scale modernization of legacy stacks into production‑grade platforms with embedded data and automation capabilities.

Key Highlights

• Nearly 27,000 employees across more than 19 countries and reported revenues of €2.4 billion in 2024.
• Operates 21 service centres and 9 Tier III+ datacentres to support hybrid hosting, sovereign hosting and managed infrastructure services.
• Recognised by ISG in 2026 as a Leader in ServiceNow Consulting & Implementation Services and as a Rising Star for AI‑ready infrastructure and managed cloud hosting in France.
• Maintains ServiceNow partner designations with 450+ certified ServiceNow consultants and multiple elite partner badges, including Consulting & Implementation, Service Provider, Resale, and Advanced Platform Partner Build.

Services

• Application Services
• Cloud
• Data & AI
• SAP

Contact Information

Website: www.inetum.com

Phone: +33 (0)6 68 01 22 56; +33 (0)6 60 13 50 71

Email: press@inetum.com

Address: Inetum Headquarters, 5-7 Rue Touzet Gaillard, 93400 Saint-Ouen-sur-Seine, FRANCE

LinkedIn: linkedin.com/company/inetum

8. Wavestone

Wavestone is a management and technology consulting firm that pairs strategic advisory with hands-on software engineering to modernize enterprise applications. Its technical teams specialize in modern software engineering using Java, C#, and cloud-native architectures and deliver projects from architecture through development to ongoing optimization.

The firm builds cloud-native digital platforms, custom integrations, and scalable backend systems for large enterprises. Its cross-functional delivery model and sector expertise in financial services, energy, government, and transport support complex, compliance-sensitive software development programs.

Key Highlights

• More than 6,000 employees operating across 17 countries and 40+ nationalities.
• Maintains a 24/7 CERT (CERT‑Wavestone) with a dedicated incident hotline for emergency response.
• Reports 1,000+ cybersecurity experts and cites roughly 30 years of experience in advisory and security work.
• States it has worked with 100+ organizations from the Fortune 500 across its consulting and technical engagements.

Services

• Enterprise application modernization
• API & systems integration
• Product engineering & delivery
• DevSecOps & application security

Contact Information

Website: www.wavestone.com

Phone: +33 (0)1 49 03 20 00; +33 1 49 03 27 26 (CERT, 24/7)

Email: communication@wavestone.com

Address: Tour Franklin, 100-101 Terrasse Boieldieu, 92042 Paris La Défense CEDEX, France

9. Dataiku

Dataiku builds an enterprise AI platform that brings data preparation, analytics, model development, and deployment into a single system for cross-functional teams.
The product combines a visual flow-based design with code-first extensibility and built-in governance so engineering and analytics teams can deliver production machine learning and deploy AI agents on existing infrastructure.

Key Highlights

• Founded in 2013 by Florian Douetteau, Clément Stenac, Thomas Cabrol, and Marc Batty.
• Reported to have helped over 700 companies worldwide ’s 2024 impact reporting.
• Supports exporting models to Python, Java, MLflow, and PMML and provides a model registry with lifecycle governance for production management.
• Offers pre-built connectors to major cloud and data platforms such as Amazon S3, Azure Blob Storage, Databricks Lakehouse, Google Cloud Storage, and Snowflake.

Services

• Enterprise AI Platform
• Data Preparation & Pipelines
• MLOps & Model Deployment
• AI Assistants

Contact Information

Website: www.dataiku.com

Phone: +1 646-568-7477

10. Contentsquare

Contentsquare is a Paris‑founded experience intelligence platform that captures quantitative and qualitative user behavior across websites and mobile apps to surface where journeys succeed or fail. Its product combines session replay, heatmaps, zoning and journey analysis with data collection features like Smart Capture to help product, design, and marketing teams prioritize changes.

Because Contentsquare was founded in Paris in 2012 and operates global offices while exposing APIs and AI capabilities, it represents a French software company that scales analytics into product development and UX delivery workflows. The platform’s AI‑driven insights and integrations make it a practical choice when comparing leading software development companies from France that deliver analytics and measurement as part of digital product engineering.

Key Highlights

• The platform is deployed on 1.3+ million websites worldwide and has analyzed more than 1+ billion user behaviors.
• Contentsquare holds enterprise security and privacy certifications including ISO 27001, ISO 27701, ISO 27017, ISO 27018, and SOC 2 Type II compliance.
• The company has raised $1.4 billion in funding and completed eight acquisitions, and its 2024 offering unifies Contentsquare with acquisitions such as Heap and Hotjar into one platform.
• AI capabilities are shipped under the Sense family, including Sense Analyst which automates investigations and enables plain‑English queries of analytics data.

Services

• Experience Analytics
• Product Analytics
• Experience Monitoring
• Voice of Customer

Contact Information

Website: contentsquare.com

Email: press@contentsquare.com

Email: people.ops@contentsquare.com

Email: contact-fr@contentsquare.com

Email: contact-us@contentsquare.com

Address: WeWork 7 rue de Madrid, Paris 75008, France

Address: 60 Hudson Street, Suite 1803, New York, NY 10013, United States

11. Mirakl

Mirakl builds an enterprise SaaS marketplace and dropship platform that lets retailers and B2B operators launch, scale, and operate digital marketplaces. Its stack combines API-first integrations, AI-driven catalog mapping, and a unified operations console so engineering teams can onboard sellers, control catalog quality, and automate commissions and payouts without stitching together separate systems.

Founded in France with dual headquarters in Paris and Boston, Mirakl develops commerce infrastructure that spans catalog management, multichannel selling, retail media, and payment orchestration. The company publishes developer documentation and supports integrations, XML, CSV and EDI to fit into existing enterprise commerce stacks.

Key Highlights

• 450+ enterprise customers trust Mirakl’s platform.
• Mirakl Connect curates a network of 100,000+ sellers and brands for accelerated onboarding.
• Mirakl Ads is built natively into the platform, powers 50 leading retailers, and can drive up to 20% additional revenue beyond commissions.
• The company holds ISO/IEC 27018 certification as noted in its recruitment and privacy materials.

Services

• Marketplace Platform
• Dropship Platform
• Connect
• Mirakl Ads

Contact Information

Website: www.mirakl.com

Email: privacy@mirakl.com

Address: Paris (HQ); Bordeaux; Barcelona; London; Munich; Boston; New York; Sydney; Tokyo

12. Worldline

Worldline develops and operates large-scale payment and transactional software used by merchants, banks and public agencies across Europe and other regions.

The company engineers cloud-modern payment platforms and integrates them with customer stacks to support high-volume processing, compliance and regional payment methods.

Key Highlights

• Worldline Pay is an end-to-end integrated payment software solution designed for cloud deployment and optimized total cost of ownership.
• Offers flexible delivery models: software licensing, Software-as-a-Service (SaaS) and full Business Process Outsourcing (BPO) with traditional data centre, private cloud, or public cloud deployment options.
• Publishes developer-facing APIs and SDKs for popular languages, including Java, PHP and, to accelerate merchant and issuer integrations.
• Maintains certified data centre infrastructure and service SLAs that typically target high availability (commonly around 99.9% uptime).

Services

• Commercial acquiring
• Issuing solutions
• Cross-border payment integration

Contact Information

Website: worldline.com

Phone: +33 (0) 1 73 26 00 00

Email: infoWL@worldline.com

Address: Tour Voltaire, 1 Place des Degrés, CS 81162, 92059 Paris La Défense Cedex, France

LinkedIn: linkedin.com/company/worldlineglobal

Conclusion

Use project scope, industry regulation, and technical focus to shortlist vendors for software development in France. SoftPro is the featured partner on this list for French enterprises, scale-up SaaS teams, and product-focused startups that need cross-border engineering delivered from Warsaw, Poland.

Choose large systems and platform delivery partners such as Capgemini, Sopra Steria, Atos, or Inetum when you need enterprise-scale integration, regulated-sector experience, or AI-enabled digital environments. Select Dassault Systèmes for virtual-twin and product engineering platforms, OVHcloud for Europe-focused cloud infrastructure, Mirakl for marketplace capabilities, Worldline for payments, Dataiku or Criteo for AI and commerce data work, Contentsquare for digital experience analytics, and Wavestone when strategic advisory combined with hands-on modernization is required.