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Wednesday, November 4, 2026•12 min•🇬🇧🇫🇷

Best AI Agency in 2026: Which Agency for Which Project?

Theodo, Artefact, Mistral, Galadrim, Ekimetrics, Koïno, Juwa or The Vibe Company: who to pick based on your company size and your AI project.

The mascot holds a compass in front of several marked paths, each leading to a different building

There's no single best AI consulting firm: it depends on your company size and your project. For a large group that wants an embedded team, look at Theodo. For data and AI strategy at international scale, Artefact. If your whole project is about the model itself, Mistral AI. If you're an SME or mid-sized company and want an AI tool in production fast, that's where we're the best fit.

Which agency for your case

  • Large group that wants an embedded product and AI teamTheodo
  • Data and AI strategy at international scaleArtefact
  • 100% AI projectMistral AI
  • Custom team for a web, mobile or AI product (reports 180+ expert staff)Galadrim
  • Measuring and optimizing marketing performanceEkimetrics
  • AI & Data taskforce / on-demand expertsKoïno
  • AI agency + consulting for SMEs/mid-market without an in-house tech teamJuwa
  • SME or mid-sized company that wants an AI tool in production fast, or senior technical reinforcementThe Vibe Company

Most "top 10 AI agencies in Paris" rankings on Google share one thing: the agency that publishes the list ranks itself first. We wanted to do the opposite and tell you, case by case, when you should go elsewhere.

Why we recommend other firms too

A comparison where the author always wins doesn't help you decide. We'd rather send you to someone else when that's better for your project: a client in the wrong place ends up happy with neither us nor AI.

The comparison at a glance

Comparison of the eight firms
FirmReported sizeData and AI strategyShipping to productionModel training and alignmentMarketing measurement
Theodo800+ Theodoers, 6 officesFeatured offerFeatured offerNot featuredNot featured
Artefact2,500+ employees, 27 countriesFeatured offerFeatured offerNot featuredNot featured
Mistral AINot disclosedNot featuredFeatured offerFeatured offerNot featured
Galadrim40 AI engineersNot featuredFeatured offerNot featuredNot featured
EkimetricsNot disclosedNot featuredNot featuredNot featuredFeatured offer
Koïno2,000+ experts reported (network)Featured offerFeatured offerNot featuredNot featured
JuwaSmall team (founded 2023)Featured offerFeatured offerNot featuredNot featured
The Vibe CompanySmall teamNot featuredFeatured offerNot featuredNot featured
Featured offerNot featuredHow to read it: we tick what each firm features on the pages cited in its profile. An empty circle does not mean the firm doesn't do it.

The eight firms, one by one

Theodo

For a large group that wants an embedded team

Who it's for
Large groups that want an embedded product and AI team, including in highly regulated environments.
Strengths
Theodo Data & AI covers data science, machine learning, MLOps and generative AI. The team combines strategic consulting with Lean Tech engineering and covers the full chain, from scoping to deployment and monitoring. Vidal appears among its client logos.
Reported size
800+ Theodoers, 6 offices worldwide, 4,000+ clients and an NPS of 64, according to Theodo.
Pricing
Not public.

Choose if

You run a multi-team AI program with strong regulatory constraints and need a partner who carries it from scoping to monitoring.

Limits: skip if

You only need a first tool, fast, on an SME budget.

Artefact

For data and AI strategy across an international group

Who it's for
International groups running a data and AI strategy across several countries.
Strengths
Artefact describes itself as a data and AI consulting firm, working end to end from data strategy and governance to AI deployment. Its published case studies include Bpifrance (agentic AI rolled out to 500 employees, with Dust), Carrefour and Nexans. The group acquired The Nunatak Group in September 2026.
Reported size
Over 2,500 employees in 27 countries, and 1,000+ clients including 300+ major international brands, according to Artefact.
Pricing
Not public.

Choose if

Your challenge is strategic and organizational across several countries before it's a tool to ship.

Limits: skip if

You want a small team to ship one specific tool. Artefact is positioned as a group-scale consulting firm.

Mistral AI

If your project is 100% AI and model-centric

Who it's for
Companies whose project depends on the model itself, in sectors such as the public sector, financial services, manufacturing, energy or cybersecurity.
Strengths
Mistral AI is a model maker first, not an agency. Its services offer brings together Applied AI engineers and Applied AI scientists in three steps: use case acceleration, deep customization (training, evaluation, alignment) and enterprise activation, with security and compliance by design.
Reported size
Not disclosed on the services page.
Pricing
Public for the API, not public for services.

Choose if

You need to adapt, evaluate or align a model, or deploy it with strong security and compliance requirements.

Limits: skip if

Your project is small, or doesn't need a model of your own. The services offer is built for enterprises, not small projects.

Galadrim

A web, mobile and AI development team

Who it's for
Entrepreneurs, SMEs, mid-sized companies, large groups and public bodies. Galadrim reports having served more than 800 of them since 2017.
Strengths
Web, mobile and AI products. Galadrim reports 40 AI engineers from Polytechnique, Centrale and ENS, and 150+ AI solutions deployed. Paladin and Showroomprivé are among its client testimonials.
Reported size
40 AI engineers, 800+ organizations served since 2017, according to Galadrim.
Pricing
Not public.

Choose if

You want a development team that ships web and mobile as well as AI.

Limits: skip if

You first need a group-wide data strategy, or to train a model.

Ekimetrics

AI applied to marketing and commercial performance

Who it's for
Marketing and sales leaders who want to measure and optimize performance with AI.
Strengths
Ekimetrics positions itself on "AI Business Solutions", with its Eki.Decisions platform and solutions for Marketing Effectiveness, Campaign Optimization, Revenue Growth Management, Customer Value Orchestration, Commercial Excellence and Sustainability. Its content cites Marketing Mix Modeling work for Coty, Nestlé and Pierre & Vacances-Center Parcs.
Reported size
Not disclosed.
Pricing
Not disclosed.

Choose if

Your main need is measuring the impact of marketing spend and allocating budgets with models.

Limits: skip if

Your AI project has nothing to do with marketing or commercial performance. The offer is centered on those topics.

Koïno

AI & Data taskforce and on-demand experts

Who it's for
SMEs, mid-market and large accounts that want an AI & Data taskforce for a business project, or to reinforce a team with vetted experts quickly.
Strengths
Koïno presents itself as a hybrid AI & Data consulting firm (strategy cell + production workshop). Per its site: expert taskforces aimed at business outcomes in 30 days, experts activatable in 48 hours, end-to-end from scoping to ROI. Self-reported: 150+ SME/mid-market/large clients since 2021, 95% of POCs converted to scale-up, 2,000+ Data/AI/engineering experts in its network.
Reported size
Network of 2,000+ experts; HQ listed at 9 Rue de la Pierre Levée, 75011 Paris, per Koïno.
Pricing
Not public.
Sources
koino.fr

Choose if

You want an AI & Data taskforce oriented toward a business deliverable, or to plug in AI/Data experts fast without building an in-house IT services team.

Limits: skip if

You mainly need a long-term embedded product team (Theodo), a multi-country data program (Artefact), or model training/alignment (Mistral AI).

Juwa

AI agency and consulting firm for SMEs and mid-market

Who it's for
SMEs and mid-sized companies that want one partner from diagnosis to production, without an in-house tech team to run.
Strengths
Juwa presents itself as an AI consulting firm and agency that owns the full chain (scoping, build, hardening, run). Per its site: 100+ companies supported, delivery in weeks, EU hosting by default, Anthropic partner, CII-approved, Bpifrance Diag Data & IA listed. They also publish a ranking of AI agencies in France (SIREN 980561112, founded 2023, Paris).
Reported size
Small firm founded in October 2023, coverage claimed across France, per Juwa.
Pricing
Not public (fixed fee after scoping, per their site).

Choose if

You want one partner from diagnosis to production for automations, agents or RAG, and you don't have an in-house tech team.

Limits: skip if

You're running a multi-country or multi-team program (Theodo / Artefact), or you need to train / align a model (Mistral AI).

The Vibe Company

SMEs, mid-sized companies, and technical reinforcement for large groups

Who it's for
SMEs and mid-sized companies that want an AI tool in production within weeks, large groups looking for senior AI engineers or demanding technical advice (architecture choices, RAG, agents, evaluation), and agencies that need sharp AI expertise on a client project, as we do with Theodo.
Strengths
A small, highly technical team that ships AI tools to production: RAG, agents, automations. Example: Monka.
Reported size
A small team based in Montreuil, near Paris, founded in 2024 by Stan Girard and Antoine Dewez. The founders come from Quivr, a Y Combinator startup.

Choose if

You want an AI tool in production within weeks, without a long steering committee, or senior AI engineers embedded in your teams.

Limits: skip if

You are launching a multi-country transformation program (Artefact or Theodo will be better equipped), or you need to train or align a model (talk to Mistral AI).

How to choose: 5 questions to ask yourself

  1. How big is your company? A large group needs a partner who can navigate its organization. An SME needs speed.
  2. How mature is your data? If your data isn't organized yet, start with a strategy firm. If it is, move to building.
  3. Do you need your own model? Most of the time, no: a good RAG or agent on an existing model is enough. If you do, talk to Mistral AI.
  4. What is your budget? Large firms are built for long programs. A small senior team costs less for a first tool.
  5. How fast must you ship? If the answer is "this quarter", pick a tight team that gets to production fast.

To compare provider types (agency, IT services firm, freelancer, in-house team), read How to choose an AI agency, and on going live, from AI agent POC to production.

FAQ

What is the best AI consulting firm in France?

There isn't just one. Theodo for large groups that want an embedded team, Artefact for international data and AI strategy, Mistral AI for model-centric projects, Galadrim for a web, mobile and AI development team, Ekimetrics for marketing measurement, Koïno for an AI & Data taskforce or on-demand experts, Juwa for one partner from diagnosis to production when you have no in-house tech team, The Vibe Company for SMEs and mid-sized companies that want to reach production fast.

Which AI agency should I pick in Paris?

The right choice depends on your size and project more than the address. See our AI agency in Paris page.

What is the difference between an AI agency and an AI consulting firm?

An AI consulting firm helps you decide what to do: strategy, priorities, governance. An AI agency builds and ships. Some firms do both.

Is Mistral AI an agency?

No. Mistral AI makes models. Its Applied AI teams do support enterprise clients, from use cases all the way to enterprise activation.

Can a small agency work for a large group?

Yes, often as reinforcement for an internal team or another agency, or on a specific technical topic. That's part of what we do.

Not sure who to pick yet?

Tell us about your project in 30 minutes. If we're not the right fit, we'll tell you who is. Book a call

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