The French AI market has structured itself in two years. Between pure players, established IT services companies and new entrants, choosing the right agency for an AI project relies as much on technical expertise as on the ability to deliver a measurable ROI.
Here is our 2026 selection of the ten AI agencies that matter in France. Updated 24/09/2026.
Our selection criteria
To be featured in this Top 10, an agency must meet the following criteria:
AI expertise demonstrated by client case studies in production (not just POCs).
Measurable and public ROI: client figures, documented gains.
A dedicated team of AI engineers of at least 10 people.
A clear project management methodology (framing, build, transfer).
Ability to serve key accounts and SMEs/mid-market companies.
A presence in France with verifiable French references.
Ranking compiled by Galadrim. We feature in our own selection by applying the six public criteria above.
Comparison of the 10 best AI agencies in France in 2026| Agency | Founded | Size | AI Speciality | Ideal Profile |
|---|
| 1. Galadrim | 2017 | 170+ | AI, AI agents | Startups, mid-market companies, large corporations |
|---|
| 2. Yield Studio | 2019 | 55+ | Product-integrated AI, AI agents, enterprise LLM | Scale-ups, mid-market companies and large enterprises, fast time-to-production |
|---|
| 3. Flowt | 2024 | 9 | Data, BI, Generative AI | SMEs and mid-market companies, short cycles |
|---|
| 4. Access it | 1993 | 50 (hunik group) | Business AI, AI agents & IT integration | SMEs, mid-sized companies and large accounts wishing to integrate AI into their business applications and processes |
|---|
| 5. dac.consulting | 2023 | Independent consultancy | AI Consulting, bespoke agents, training | SMEs, VSEs and large corporations |
|---|
| 6. JUWA | 2023 | 10-20 | AI Agents, RAG, bespoke AI | SMEs, mid-market companies, short cycles |
|---|
| 7. Castelis | 1999 | 80+ (hunik group) | Machine Learning, AI agents & secure deployment into production | Mid-sized companies and large accounts who want to move from prototype to an AI integrated into the IT system, secured and operated long-term |
|---|
| 8. Datakeen | 2018 | 40+ | Secure AI, industrialisation | Mid-market companies, large corporations, regulated sectors |
|---|
| 9. Eleven Strategy | 2010 | 250+ | Strategy + data + AI consulting | Large corporations, investment funds |
|---|
| 10. LightOn | 2016 | 70+ | Sovereign AI, French LLMs | Regulated sectors, public sector |
|---|
1. Galadrim
The French tech & AI agency for a bespoke AI solution and a ROI-centric approach.
Year founded : 2017
Size : 170+ experts including 30 AI engineers, founded by two former Polytechnicians (ex-Meta, ex-Microsoft).
Headquarters : Paris (HQ). Presence in Spain, Switzerland, UK.
AI expertise : AI in production, AI agents, Enterprise RAG, MLOps. Methodology 'Build With, then Transfer': our clients become autonomous.
Key clients : BNP Paribas, Carrefour, Chanel, Konbini, Leroy Merlin, Le Parisien, Okantis, Turboself, HOPE Valley... 800+ clients supported since 2017.
Signature client case : Okantis: 15 AI agents deployed in production on OVH sovereign servers, serving 330 healthcare facilities. Le Parisien: SEO production costs divided by 4 thanks to AI. Turboself: ML model delivered in 14 weeks to anticipate canteen attendance and reduce waste.
Why it features in this ranking : Galadrim meets all six criteria: significant dedicated AI team, client cases in production with quantifiable and publishable ROI, mastered transfer methodology, official Agentforce partnership, ability to serve both BNP Paribas and industrial SMEs. It is also one of the very few French agencies to publish its AI client cases with verifiable figures.
The product and AI agency that delivers solutions into production in less than three months.
Year founded : 2019
Size : 55+ senior experts (web and mobile development, AI engineers, product managers, designers).
Headquarters : Paris. Operations across France.
AI expertise : AI agents, LLM integration into business tools, Computer Vision, predictive AI, Data Engineering. Lean Methodology in four steps: immersion and Discovery, architecture selection, POC in 2 to 4 weeks, industrialisation. An internal Lab equips the teams (scaffolding, boilerplate generation, self-configured pipelines) to accelerate Delivery.
Key clients : Bpifrance, Orange, MeilleurTaux, a global leader in contract catering (500,000 employees), fast-growing GreenTech and SaaS scale-ups.
Signature client case : Business software augmented by AI with a 95% reduction in operating costs thanks to automation. AI integration into a GreenTech SaaS that raised €3M. Intelligent data processing for a global player in contract catering.
Why it features in this ranking : Yield Studio stands out for its decidedly product-oriented approach: AI is not treated as an isolated component, but integrated directly into web applications, mobile applications or business software. They support their clients from scoping to deployment into production, with a senior team and particular attention paid to execution speed, Delivery quality and intellectual property transfer.
3. Flowt
Lean Data & AI agency, tailored for the short cycles of SMEs and mid-caps.
Year founded : 2024
Size : 9 experts (PhD data scientists, BI experts, AI engineers). Lean team, no middle management layer.
Headquarters : Paris. Operations across France.
AI expertise : Business intelligence, data engineering, data science, Generative AI and agents, workflow and document automation.
Key clients : NOVAIR, Appie, Hess Automobile, Pure, as well as key accounts like EDF, Decathlon, BNP Paribas and L'Oréal.
Signature client case : NOVAIR: consolidated multi-country commercial steering, 600 hours of manual tasks eliminated. Appie: unified multi-channel sales tracking under Power BI, 400+ hours saved per year. Hess Automobile: multi-dealership financial dashboard, data refreshed in under 24 hours.
Why it features in this ranking : The most agile profile in the ranking. Nine people, no intermediate layer, and a first result announced within three weeks: this is the format that suits SMEs and mid-caps who want actionable proof before committing to a programme. Flowt starts with the data foundation (BI, data engineering) before the Generative AI layer, the order that avoids connecting an agent to unreliable data. Key account references (EDF, Decathlon, BNP Paribas) attest to the technical level.
The bespoke development expert who integrates AI at the heart of business applications and processes.
Year founded : 1993
Size : 50 employees at Access it, backed by hunik group.
Headquarters : Villeneuve-d'Ascq.
AI expertise : Generative and agentic AI, conversational assistants, RAG and knowledge bases, predictive models, document processing and business process automation.
Key clients : Groupama, Grant Thornton, Caisse d'Épargne Hauts-de-France, SKF, Vilogia, API Restauration, SALTI, Qualiconsult...
Signature client case : For Groupama, Access it designed and integrated a conversational AI assistant into Expertisimo, allowing advisors to search for real estate in natural language, identify the lots most suitable for their clients' profiles and obtain contextualised sales pitches.
Why it features in this ranking : Access it stands out for its ability to concretely integrate AI into existing applications, data and business processes. Its historical expertise in bespoke development allows it to support companies from the framing of the use case right through to its industrialisation and integration into the information system.
The artisanal AI consulting firm: strategy, bespoke agents and training.
Year founded : 2023
Size : Independent firm founded and led by Thomas Santori, digital transformation consultant since 2014 (Disneyland Paris, L'Oréal, Cegos, École de Guerre, France Travail, EDF, etc.), surrounded by partners mobilised according to projects. Deliberately lean format: the one who frames your project is the one who builds it.
Headquarters : Paris. Operations across France, in-person or remote.
AI expertise : Strategic consulting (maturity diagnosis, prioritised use cases, roadmap & ROI), bespoke AI agents, Enterprise RAG and memory, process automation (n8n), training & coaching for leaders and teams. Asserted technological independence: the best model for each task (Claude, GPT, Gemini, Mistral, open source), no publisher commission, self-hosted solutions when sovereignty demands it.
Key clients : Disneyland Paris, L'Oréal, Cegos, École de Guerre - and a core business with SMEs, VSEs and associations.
Signature client case : Participation in the development and deployment of the AI strategy for large French industrial and engineering groups (identification of use cases, roadmap, team support). For VSEs/SMEs: over 50 AI agents deployed in production - from 24/7 documented customer support to e-commerce catalogue automation - with 100% satisfied clients. Over 200 employees trained in Generative AI, in cohorts or individually.
Why it features in this ranking : The only artisanal format in this selection, and a rare dual legitimacy: the strategy of large corporations and execution at SME level. dac. covers the complete cycle - consulting, implementation, training - with an asserted requirement: to say when AI is not the right answer, and only recommend what the firm practices daily on its own systems. Their blog, which illuminates each technical topic through the history of ideas, is one of the most singular editorial signatures in the French AI landscape.
The bespoke AI agency that delivers twice as fast, with full transparency.
Size : 15 engineers from top engineering schools, who work directly on projects.
Headquarters : Paris and Lille.
AI expertise : AI agents, RAG, process automation, bespoke AI solutions using the most advanced technologies, consulting, monitoring and long-term management of AI agents.
Key clients : Heineken, BlaBlaCar, Steinweg, Mondial Relay.
Signature client case : 4 bespoke AI agents delivered in 12 days for a SaaS, productivity multiplied by 10 on internal operations. Document assistant for an industrial SME: -55% reduction in research time for after-sales support. Automated document verification: 317 hours saved per month.
Why it features in this ranking : Expert team that delivers in production twice as fast as the market, continuous, 100% transparent communication, intellectual property transferred to the client. Format tailored for SMEs and mid-caps who want a quick ROI.
The French AI agency that builds your AI, secures it and keeps it running in production.
Year founded : 1999
Size : +80 employees at Castelis, a hunik group company that brings together 7 expert agencies.
Headquarters : Paris (Ivry-sur-Seine), remote intervention throughout France.
AI expertise : Machine Learning and predictive models, generative AI and LLMs, AI agents connected to the IT system, RAG and semantic search, business process automation. Cloud or on-premise deployments with sensitive data isolation and AI Act qualification. Four-step methodology: business framing, prototype on real data, industrialisation and IT integration, deployment into production with continuous supervision. ISO 27001:2022 certified.
Key clients : SNCF, Sanofi, L'Oréal, Apave, Deloitte, Solocal, Groupe Qualiconsult, Comgest, Quadient, Dream Yacht Charter, Prévoir, Prodistribution, Ectaris, Lucernys... +500 projects delivered and +25 years of experience.
Signature client case : SNCF: Machine Learning model for scoring and prioritising fine recovery files, integrated into agent tools and in production since 2019, with 225,000 traffic violations processed per month and 121 offender profiles identified. Groupe Qualiconsult: automated payment allocation combining AI and OCR, with 80% of reconciliations automated, 50% less workload for finance teams and allocation time reduced from 2 months to 15 days, after 9 years of collaboration.
Why it features in this ranking : Castelis deployed Machine Learning into production for a major client as early as 2019, well before the generative wave, and publishes its client cases with figures measured in production. Its uniqueness lies in the complete chain: the same company frames the use case, designs the model, integrates it into the IT system, hosts it, secures it and then operates it 24/7. This is what allows it to answer the real question from business departments: not “does it work in a demo?”, but “will it still be running in six months?”. It addresses SNCF or Sanofi as well as industrial mid-sized companies, with a single point of contact from framing to run.
8. Datakeen
Secure enterprise AI pure player.
Year founded : 2018
Size : 40+ collaborators
Headquarters : Paris.
AI expertise : AI industrialisation, model security, enterprise RAG, regulated contexts.
Key clients : Mid-sized companies and key accounts in industry, finance, public sector.
Signature client case : Secure and compliant AI deployments for companies subject to strong constraints (GDPR, sensitive data).
Why it features in this ranking : Highly technical profile, suitable for companies that need to industrialise AI while respecting heavy security and compliance constraints.
9. Eleven Strategy
Premium strategy consulting firm, strong data & AI hub.
Year founded : 2010
Size : 250+ consultants.
Headquarters : Paris.
AI expertise : Strategic consulting, due diligence, data, AI for executive decision-making.
Key clients : CAC 40 major groups, investment funds (LBO, VC), executive committees.
Signature client case : Strategic framing of AI programmes for executive committees and data/AI due diligence for acquisitions.
Why it features in this ranking : Reference for high-end scoping of an AI strategy, upstream of the build. Complementary to Delivery agencies like Galadrim or Yield Studio.
10. LightOn
The French publisher of sovereign LLMs, for regulated contexts.
Year founded : 2016
Size : 70+ collaborators.
Headquarters : Paris.
AI expertise : French sovereign LLMs (Paradigm), on-premise AI, security and compliance.
Key clients : Safran, Île-de-France Region, public sector, banking.
Signature client case : On-premise LLM deployments for regulated companies and administrations.
Why it features in this ranking : Key player if technological sovereignty, compliance or on-premise are strong constraints. Differentiated positioning from the rest of the ranking (model publisher vs integrator).
Discuss your project
Do you have an AI project or an AI strategy to frame? Contact the Galadrim team. We approach topics from the business need.
About the author: Arnaud Albalat is the CTO of Galadrim, a French tech & AI agency based in Paris (HQ), Nantes, Lyon. Presence in Spain, Switzerland, UK. Since 2017, he has supported SMEs, mid-sized companies and major groups on framing custom AI and tech projects, with clients such as BNP Paribas, Carrefour, Showroomprivé, Stellantis and Odealim. Galadrim is an official Salesforce Agentforce partner and winner of the Top AI Awards 2024 prize. Arnaud Albalat's LinkedIn. 
_Zso2KF.webp)
