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FinTech × B2B Companies

Best FinTech AI Agencies for B2B Companies (September 2026)

FinTech AI agencies with verified B2B client evidence — ranked by depth of documented work, then editorial quality.

64

Verified agencies

45175

Hourly rate

How We Rank →

Methodology

Each listed agency evidences at least 2 documented B2B clients. Combined, the agencies below document 231 client engagements.

Ranked agencies for B2B clients

Rankings updated · Newest review

Top 30 of 64 agencies with documented B2B work.

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.

50-249Contact for rates
AI ConsultingGenerative AIAI Development

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.

Contact for rates
AI ConsultingAI AgentsAI Development

Budapest, Hungary

Client evidence: 13 documented clients overall

Best for: Industrial and legal-publishing operators buying a machine-vision or document-automation system to run on their own premises.

10-49€45-85/hr
AI DevelopmentAI AutomationAI Consulting

Stockholm, 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.

10-49Contact for rates
AI ConsultingAI DevelopmentGenerative AI

Frankfurt, 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.

250+Contact for rates
AI ConsultingAI DevelopmentGenerative AI

Lisbon, 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.

50-249€45-85/hr
AI DevelopmentAI ConsultingGenerative AI

Tallinn, Estonia

Client evidence: 9 documented clients overall

Best for: Operators with data spread across many systems who want the pipeline and the model built and run by one team.

50-249€45-85/hr
AI ConsultingAI DevelopmentAI Automation

Warsaw, 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.

50-249€45-85/hr
AI ConsultingGenerative AIAI Automation

London, 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.

50-249Contact for rates
AI ConsultingAI DevelopmentGenerative AI

Zurich, Switzerland

Client evidence: 8 documented clients overall

Best for: Regulated enterprises buying AI inside a system an engineering firm will also build, run and document.

250+Contact for rates
AI DevelopmentAI Consulting

London, 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.

2-9€85-130/hr
AI ConsultingAI DevelopmentGenerative AI

Budapest, Hungary

Client evidence: 8 documented clients overall

Best for: Banks, energy and manufacturing groups pairing an LLM or forecasting build with the data-platform work underneath it.

250+Contact for rates
AI ConsultingAI DevelopmentAI Automation

Frankfurt, 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.

10-49Contact for rates
Generative AIAI ConsultingAI Development

Tallinn, Estonia

Client evidence: 7 documented clients overall

Best for: Funded startups that need the interface and front end of an AI product designed and built while the model stays in-house.

50-249€45-85/hr
AI DevelopmentAI Consulting

London, 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.

50-249Contact for rates
AI ConsultingAI DevelopmentAI Agents

London, 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.

50-249Contact for rates
AI ConsultingAI DevelopmentAI Agents

Dublin, 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.

250+Contact for rates
AI ConsultingAI DevelopmentGenerative AI

Stockholm, Sweden

Client evidence: 6 documented clients overall

Best for: Nordic retailers and service businesses that want customer operations run by agents and measured weekly.

Contact for rates
AI ConsultingAI DevelopmentAI Agents

Barcelona, 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.

50-249Contact for rates
AI ConsultingAI DevelopmentGenerative AI

Lyon, 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.

50-249€85-130/hr
AI DevelopmentGenerative AIAI Agents

Prague, 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.

50-249Contact for rates
AI DevelopmentAI ConsultingGenerative AI

Lausanne, Switzerland

Client evidence: 5 documented clients overall

Best for: Industrial and financial enterprises building on Palantir Foundry, or weighing whether they should.

50-249Contact for rates
AI ConsultingAI DevelopmentGenerative AI

Paris, 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.

1000+Contact for rates
AI ConsultingAI DevelopmentAI Automation

ML6

#24

Ghent, Belgium

Client evidence: 5 documented clients overall

Best for: Enterprises and public bodies putting AI into production systems that already carry real traffic.

50-249Contact for rates
AI ConsultingAI DevelopmentAI Agents

Zurich, Switzerland

Client evidence: 5 documented clients overall

Best for: Pharma and life-sciences teams that need the method described in full when the client name cannot be.

50-249Contact for rates
AI ConsultingGenerative AIAI Development

Helsinki, Finland

Client evidence: 5 documented clients overall

Best for: Regulated Finnish and Nordic enterprises that need an AI system governed, certified and operated, not just delivered.

250+€45-85/hr
AI ConsultingAI DevelopmentAI Automation

Helsinki, Finland

Client evidence: 5 documented clients overall

Best for: Large organizations in regulated or industrial settings that need analytics and AI delivered with the data platform underneath it.

250+€45-85/hr
AI ConsultingAI DevelopmentGenerative AI

Ghent, Belgium

Client evidence: 5 documented clients overall

Best for: Enterprises adding AI to a product or support workflow they already run, with the delivery team embedded alongside their own.

250+Contact for rates
AI DevelopmentGenerative AIAI Consulting

Warsaw, 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.

50-249€45-85/hr
AI AgentsAI DevelopmentGenerative AI

Prague, Czech Republic

Client evidence: 5 documented clients overall

Best for: Media, banking and e-commerce platforms running high-volume, multi-market NLP on live customer content, not one-off pilots.

10-49Contact for rates
AI DevelopmentAI AutomationAI Consulting

About this list

Financial services is Europe's most experienced AI buyer, and the B2B-verified agencies here have documented work inside its operational core. Brainpool's case studies include market-abuse surveillance models for HSBC. Faculty's support tooling runs inside the business bank Tide with a published handle-time reduction. Neurons Lab builds specifically for regulated financial environments—Visa's LLM content system shipped with stack and timeline published—and Amsterdam Data Collective's transaction-monitoring work sits squarely in the compliance engine room. Sputnik Digital's Invntry engagement brings the insurance side: image identification that itemizes and values belongings from photos.

B2B fintech work faces two masters—the operational owner and the supervisor—and the useful screen is which of the two a candidate has satisfied before. Ask how documented models were reviewed, who held oversight, and what the audit trail looked like. The EU AI Act tightens this further for credit and risk systems. Firms on this page have shipped under that scrutiny; their premium over generalist engineering is the cost of not learning it on your budget.

Intro by Gabor Kiss, curator · How we rank

Expert Insight

Why FinTech experience matters

1

Regulatory literacy—Fraud detection, transaction monitoring, and credit models operate under supervisory expectations for model risk management, and creditworthiness scoring is a high-risk category under the EU AI Act. Specialists design the documentation, logging, and human-oversight layer from day one; generalists discover it exists when your compliance team blocks the release

2

False-positive economics—A fraud model is judged by its false-positive rate, because every false alarm is a blocked customer and a manual review costing real money. Specialists tune for the operational cost curve, not headline accuracy—a model that's 99% accurate can still bury your operations team in alerts

3

Legacy integration—The model is the easy part; connecting it to a core banking system, a payments switch, and a case-management tool built in 2008 is the project. Firms with financial-services experience quote the integration honestly instead of discovering it in month three

4

Vendor-risk survival—Banks and insurers put suppliers through outsourcing reviews, security questionnaires, and audit-rights negotiations that stall unprepared vendors for months. Specialists arrive with the documentation pack ready, which shortens procurement instead of stalling it

Frequently asked questions

64 agencies in our directory combine verified B2B client evidence with documented FinTech work. The current top-ranked are Storm Technology, AI Sisters, Lexunit — ordered by depth of documented client evidence, then our editorial scoring (portfolio quality, credibility, completeness); placement is never paid.

Rankings last updated from 64 agencies. Most recently reviewed: Adastra on . How we rank