AI Agents × B2B Companies
AI Agents Agencies for B2B Clients (November 2026)
AI Agents 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 207 client engagements.
Ranked AI Agents agencies for B2B clients
Rankings updated · Newest review
Top 30 of 54 agencies with documented B2B work.
allUpp
#1Vienna, Austria
Client evidence: 16 documented clients overall
Best for: Companies already on Salesforce that want Agentforce agents added to service or sales workflows at a fixed package price.
Paris, France
Client evidence: 15 documented clients overall
Best for: Large French employers that want their own people building agents rather than a vendor owning them.
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
#4Stockholm, 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.
Vention
#5London, United Kingdom
Client evidence: 10 documented clients overall
Best for: Venture-backed product companies adding engineers to an existing team, with AI as one feature inside the software work.
London, United Kingdom
Client evidence: 8 documented clients overall
Best for: UK enterprises, charities and public bodies already on Microsoft 365 and Azure that want Copilot adopted and governed.
Poznań, Poland
Client evidence: 8 documented clients overall
Best for: Product owners modernizing a platform who want AI inside the delivery process and in selected features, not a model built from scratch.
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.
Nimo AI
#9Stockholm, Sweden
Client evidence: 7 documented clients overall
Best for: Swedish small and mid-sized businesses automating one back-office process, such as document filing, order intake or HR reporting.
Satalia
#10London, United Kingdom
Client evidence: 6 documented clients overall
Best for: Enterprises with a scheduling, routing or workforce-allocation problem big enough to justify operations-research specialists.
Vstorm
#11Wrocław, 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.
elunic
#12Munich, Germany
Client evidence: 6 documented clients overall
Best for: Manufacturers automating one inspection station or technical-document search on an existing line, not buying an open-ended AI program.
Datasparq
#13London, United Kingdom
Client evidence: 6 documented clients overall
Best for: Operational businesses with data already flowing that want a system built on it rather than a strategy deck.
Algorithma
#14Stockholm, Sweden
Client evidence: 6 documented clients overall
Best for: Nordic retailers and service businesses that want customer operations run by agents and measured weekly.
Yield Studio
#15Lyon, 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.
Syncronika
#16Milan, Italy
Client evidence: 6 documented clients overall
Best for: Italian brands that want one long-term partner for site, commerce, integrations and marketing, with AI added to that stack.
Opinov8
#17London, 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.
Artefact
#18Paris, France
Client evidence: 5 documented clients overall
Best for: Large consumer and industrial groups that want AI agents adopted across a workforce, not piloted in one team.
ML6
#19Ghent, Belgium
Client evidence: 5 documented clients overall
Best for: Enterprises and public bodies putting AI into production systems that already carry real traffic.
10Clouds
#20Warsaw, Poland
Client evidence: 5 documented clients overall
Best for: Banks, insurers and credit funds automating a defined back-office or sales workflow on a platform already run in production.
Indigo Labs
#21Ljubljana, Slovenia
Client evidence: 5 documented clients overall
Best for: Product teams that want a scoped AI build with the duration, team size and budget stated before the contract.
App4You
#22Gdańsk, Poland
Client evidence: 5 documented clients overall
Best for: Polish public institutions and smaller operators that want a fixed-scope build with the price published before the first call.
STX Next
#23Poznań, Poland
Client evidence: 5 documented clients overall
Best for: Python-heavy teams that need senior engineers now, with AI built into how the work is delivered and reviewed.
Valletta, Malta
Client evidence: 5 documented clients overall
Best for: Small firms and startups that want one embedded engineer to wire an LLM or agent into their existing tools on a modest budget.
Softblues
#25London, United Kingdom
Client evidence: 5 documented clients overall
Best for: Early-stage B2B product teams and smaller UK or Irish firms scoping a first voice agent, agent pipeline or Claude rollout.
coompanion
#26Munich, Germany
Client evidence: 5 documented clients overall
Best for: Mittelstand and startup operations teams automating a document or ticketing workflow on tools their own staff will keep running.
Alpdev
#27Ljubljana, Slovenia
Client evidence: 5 documented clients overall
Best for: Mid-market sales and support teams that want an AI system wired into the CRM, telephony or ERP they already run.
BySix
#28Lisbon, Portugal
Client evidence: 5 documented clients overall
Best for: Product and operations teams buying a first generative-AI agent wired into Jira, Slack, Shopify or an ATS at a fixed weekly price.
MindTitan
#29Tallinn, Estonia
Client evidence: 4 documented clients overall
Best for: Nordic and Baltic operators that want a measured ML system built end to end by the team that will hand it over.
N-iX
#30London, United Kingdom
Client evidence: 4 documented clients overall
Best for: Enterprises with large in-house engineering teams that want AI adoption or ML work measured against an agreed baseline.
About this list
Agent systems for business operations are where the market's newest architecture meets its oldest requirement: the work has to be right. The strongest agencies here carry verified B2B evidence alongside agent delivery. WeAreBrain's HEINEKEN Harry walks vendors through procurement onboarding. Modulai embedded a custom LLM agent in Optilogic's supply-chain design platform, giving natural-language access to the underlying models. AI Sisters ran an agent program inside ENGIE's global transformation, Algorithma's agents serve customer service and finance operations with two deployments quantified at adoption level, and Faculty, ML6 and Neurons Lab bring the register's most scrutinized delivery records to the category.
Interrogate agent claims harder than any other on this register, because the word is doing heavy marketing work in 2026. The differentiating questions: what tools can the agent call, what can it not do, and how is correctness checked before an action lands in a business system? Documented answers exist on this page—permission boundaries, review gates, evaluation runs—but not every listing has one: several firms here offer agents as a service with no named agent deployment published, so ask for the one they built. Where a candidate offers enthusiasm instead, the adjacent AI automation page holds firms solving the same problems with less architectural risk.
Intro by Gabor Kiss, curator · How we rank
Expert Insight
Why B2B fit matters for AI Agents
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
54 agencies in our directory combine verified B2B client evidence with documented AI Agents work. The current top-ranked are allUpp, AI Sisters, Pixelette Technologies — 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 €20–150 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.