Generative AI × B2B Companies
Generative AI Agencies for B2B Clients (November 2026)
Generative AI agencies with verified B2B client evidence — ranked by depth of documented work, then editorial quality.
Each listed agency evidences at least 2 documented B2B clients. Combined, the agencies below document 298 client engagements.
Ranked Generative AI agencies for B2B clients
Rankings updated · Newest review
Top 30 of 67 agencies with documented B2B work.
Dublin, Ireland
Client evidence: 20 documented clients overall
Best for: Irish and European SMEs and founders buying a whole product build, with AI as one layer inside it rather than the whole engagement.
Dublin, Ireland
Client evidence: 20 documented clients overall
Best for: Irish organizations already running Dynamics 365 or Power Platform that want Copilot and Azure AI advice from a Microsoft partner.
Berlin, Germany
Client evidence: 19 documented clients overall
Best for: German enterprises and federal or city administrations taking a machine-learning or LLM use case from feasibility to an operated system.
Preste
#4Paris, France
Client evidence: 17 documented clients overall
Best for: Hardware and industrial firms that need computer vision running on the device, not in the cloud, delivered as a 2–6 month build.
ontolux
#5Berlin, Germany
Client evidence: 13 documented clients overall
Best for: German public bodies, broadcasters and publishers that need tagging and search over large German-language text collections.
London, United Kingdom
Client evidence: 13 documented clients overall
Best for: Founders commissioning a first blockchain or AI product build on a startup budget who will check references before signing.
Modulai
#7Stockholm, Sweden
Client evidence: 12 documented clients overall
Best for: Product teams that need a model shipped into production, from clinical retrieval to real-time vision on constrained hardware.
Groningen, Netherlands
Client evidence: 12 documented clients overall
Best for: Northern Dutch organizations that need a build and the team trained to run it afterwards.
Stepwise
#9Warsaw, Poland
Client evidence: 11 documented clients overall
Best for: Early-stage B2B software companies that need a cloud and data engineering team, with AI as one part of the product build.
Adastra
#10Frankfurt, Germany
Client evidence: 10 documented clients overall
Best for: Banks, insurers and manufacturers that need AI put under approval paths, audit trails and cost limits before it scales.
Madrid, Spain
Client evidence: 10 documented clients overall
Best for: Spanish utilities, public hospitals and large employers bringing a forecasting, clinical-data or Spanish-language modeling problem.
DareData
#12Lisbon, Portugal
Client evidence: 10 documented clients overall
Best for: Enterprises automating a high-volume back-office or support workflow, with the NOS and Heineken deployments as the reference pattern.
Dashbouquet
#13Tallinn, Estonia
Client evidence: 10 documented clients overall
Best for: Seed-stage founders who want an LLM feature or a data-extraction pipeline built into a product by the same team that ships the app.
Babel
#14Madrid, Spain
Client evidence: 9 documented clients overall
Best for: Spanish and Portuguese banks, insurers and public administrations wanting AI delivered by a large integrator with the data work around it.
TUATARA
#15Warsaw, Poland
Client evidence: 9 documented clients overall
Best for: Banks, insurers and telecoms in Poland or the Gulf that want a conversational assistant deployed inside existing customer channels.
Redkiwi
#16Rotterdam, Netherlands
Client evidence: 9 documented clients overall
Best for: Dutch consumer brands and B2B suppliers buying a website, webshop or campaign where generative AI speeds up content production.
Datatonic
#17London, United Kingdom
Client evidence: 8 documented clients overall
Best for: Enterprises standardizing ML delivery on Google Cloud or AWS, especially where a regulator has to be satisfied.
Kortical
#18London, United Kingdom
Client evidence: 8 documented clients overall
Best for: Enterprises with a defined prediction or document-automation problem that want a model in production in weeks.
Lautmaler
#19Berlin, Germany
Client evidence: 8 documented clients overall
Best for: Enterprises putting voice or chat in front of real customers, where a wrong answer reaches the public.
Shift Agency
#20Frankfurt, Germany
Client evidence: 8 documented clients overall
Best for: Enterprise brands and institutions rebuilding a website, newsroom or brand platform, with AI applied to marketing and visibility.
InData Labs
Verified: the agency confirmed ownership from a company email address, and the listing passed editorial review#21Vilnius, Lithuania
Client evidence: 7 documented clients overall
Best for: Product teams with a defined forecasting, fraud or analytics problem who want an established ML team on fixed-price or dedicated terms.
Berlin, Germany
Client evidence: 7 documented clients overall
Best for: Product owners adding AI to an app that already has users, rather than starting from a model.
QED Software
#23Warsaw, Poland
Client evidence: 7 documented clients overall
Best for: Data-rich firms and startups with a detection, vision or forecasting problem suited to a research-led team.
Vstorm
#24Wrocław, Poland
Client evidence: 6 documented clients overall
Best for: Mid-market operators putting an agent inside a product or a clinical workflow, where output has to be validated before it ships.
Version 1
#25Dublin, Ireland
Client evidence: 6 documented clients overall
Best for: Insurers, brokers and public bodies automating document-heavy back-office work with an ISO 42001-certified delivery partner.
Bismart
#26Barcelona, Spain
Client evidence: 6 documented clients overall
Best for: Organizations whose AI plans depend on fixing the data layer first, especially in healthcare, public services and tourism.
Yield Studio
#27Lyon, France
Client evidence: 6 documented clients overall
Best for: French mid-market firms adding a document-analysis or automation layer to a SaaS or internal platform they already operate.
Mercury Labs
#28London, United Kingdom
Client evidence: 6 documented clients overall
Best for: UK public bodies and publicly funded research programs building AI tools that keep expert reviewers in charge.
Opinov8
#29London, United Kingdom
Client evidence: 6 documented clients overall
Best for: Teams adding cloud, data or modernization engineers who want AI coding tools applied to that delivery.
DataSentics
#30Prague, Czech Republic
Client evidence: 5 documented clients overall
Best for: Large enterprises in finance, insurance, retail and e-commerce that need a production ML system built with a named internal data team.
About this list
Generative AI for business operations is a narrower discipline than the hype suggests: the output lands in a workflow with an owner, so accuracy, evaluation and escalation are the specification. Every agency here carries verified B2B evidence, and the strongest have generative delivery behind it. Faculty's AgentAssist and MemberSummarise run inside Tide's support operation on Amazon Bedrock, with a published 10% handle-time cut. Neurons Lab shipped Visa a twenty-language LLM content system in under two months. Lautmaler integrates LLMs into conversational systems with quality measurement described in the case, and DataNorth's programs pair generative tooling with the enablement that makes internal teams productive with it.
The B2B lens sharpens the buying questions. Where does generated output enter the workflow, and what checks it before it acts or ships? Which failure modes were designed for—hallucinated facts, stale knowledge, tone drift—and what does the human-review loop cost at volume? Teams that have operated generative systems answer from artifacts: evaluation suites, guardrail configs, escalation paths. The strongest published work on this page shows those artifacts exist; ask the rest to show theirs.
Intro by Gabor Kiss, curator · How we rank
Expert Insight
Why B2B fit matters for Generative AI
B2B AI lives inside operational systems, so integration experience is delivery experience—an agency that has shipped into an ERP or a ticketing queue has already fought the battles your project will fight.
Operational outcomes are checkable in a way marketing outcomes are not: handle time, error rate and hours removed either moved or they did not, and the strongest agencies here publish those numbers.
The internal business case matters—an agency whose case studies quantify results gives your sponsor the numbers to defend the budget with.
Frequently asked questions
67 agencies in our directory combine verified B2B client evidence with documented Generative AI work. The current top-ranked are Square Root Solutions, Storm Technology, Merantix Momentum — ordered by depth of documented client evidence, then our editorial scoring (portfolio quality, credibility, completeness); placement is never paid.
Published rates across this page's agencies run €20–175 per hour (median ~€65). Project totals depend on scope — the rate index at /rates breaks the computed bands down by region, country and team size.
Each listed agency has at least two documented, named B2B clients — published case studies or engagement descriptions our research actually read, with source URLs stored per client. Logo walls without published evidence carry no weight, which is what separates this list from self-declared directories.
14 of the agencies on this page document an embedded / team-extension working model. See the team-extension page for the full verified list, or check the engagement chips on individual profiles.