European Banking as a Service Providers

#1 Griffin

London, United Kingdom Platform onboarding from £15,000 one-off, monthly packages of £4,000, £6,000 and £10,000; business accounts from £100 per month Demo on request

Best for: Sterling accounts for UK payment, wealth and lending products

• Operating company. Griffin Bank Ltd
• Jurisdiction. United Kingdom (outside the EEA, covered by an EU adequacy decision)
• Where the data sits. No data location given in the pages we read
• Source code. Closed source
• Replaces. Unit, Treasury Prime, Column

Griffin is a London bank that sells embedded accounts to fintechs and software platforms and runs its own core banking system. Its pages offer account types shaped by regulatory duty: safeguarding accounts for payment and e-money firms, client money accounts for investment and property use cases, and savings accounts that let an app pay interest. Everything is opened through a REST API with linked person and beneficiary objects.

Griffin Bank Ltd is registered in England and Wales under number 10842931 and states that the Prudential Regulation Authority authorises it, with the FCA and the PRA as regulators. The founders, David Jarvis and Allen Rohner, come from Airbnb, CircleCI and a core banking vendor, according to the about page. Griffin gives its own scale as 80 or more companies. Examples are sterling only, and overdrafts and lending are listed as coming.

Standout feature. Griffin is the only provider here that publishes a dated API version and a go-live window of 6 to 8 weeks beside its price.

#2 Swan

Paris, France On-demand plan at EUR 2,990 a month; custom Enterprise terms Demo on request

Best for: Embedded business banking for treasury, payroll and bookkeeping vendors

• Operating company. SWAN SAS
• Jurisdiction. EU (France)
• Where the data sits. No data location given on the vendor pages we read
• Source code. Closed source
• Replaces. Unit, Treasury Prime, Column

Swan packages business accounts, IBANs and cards for software vendors, so a bookkeeping or people-management product can show a bank account in its own screens. Accounts carry local IBANs starting with FR, DE, ES, NL and IT, and cards come as physical, virtual and wallet-based versions with the customer's logo. A card package launch mentions three tiers with built-in insurance.

The legal notice of SWAN SAS gives Paris register number 853 827 103 and calls the company a French electronic money institution. Its on-demand plan costs EUR 2,990 a month, and enterprise terms add interchange revenue sharing and custom card design. The sandbox is free, with unlimited fake accounts, cards and payments, and the company publishes repositories on GitHub.

Standout feature. Swan pairs a printed monthly price with local IBANs for France, Germany, Spain, the Netherlands and Italy.

#3 Wallester

Estonia White-label quote on request; the business account has a free entry tier Demo on request

Best for: Branded cards and IBAN accounts across the EEA and the UK

• Operating company. Wallester AS
• Jurisdiction. EU (Estonia)
• Where the data sits. No data location given on the vendor pages we read
• Source code. Closed source
• Replaces. Unit, Treasury Prime, Column

Wallester sells white-label card programmes under Estonian regulation as an official Visa principal member. A programme can go live under Wallester's own issuer framework, or under a dedicated BIN that separates programmes and reporting. Debit, prepaid and credit variants are listed for consumer, business and corporate use, and Apple Pay and Google Pay are included.

The Estonian Finantsinspektsioon licenses Wallester AS as a payment institution, registration code 11812882. Balances can be held in EUR, GBP, PLN, SEK, NOK, DKK, CZK, HUF, RON and USD, and a branded mobile app and an operations portal run on the same platform. The site claims more than 10 million cards issued and PCI DSS Level 1. Customers named include a Latvian postal service and consumer lenders.

Standout feature. Wallester combines a Visa principal membership with ten account currencies and a branded app.

#4 Paynovate

Brussels area, Belgium Monthly pricing for a standard business IBAN account (amounts not shown); other products custom Demo on request

Best for: IBAN account programmes and card issuing for EMI distributors and platforms

• Operating company. Paynovate SA
• Jurisdiction. EU (Belgium)
• Where the data sits. No data location given in the pages we read
• Source code. Closed source
• Replaces. Unit, Treasury Prime, Synctera

Paynovate runs IBAN programmes in which the customer journey stays in your product while Paynovate supplies SEPA transfers, SEPA Instant and Direct Debit. The embedded finance page adds BIN sponsorship, Visa and Mastercard access, card production and optional extras such as card-linked insurance. FX support is described as a future capability. Several programmes with separate partners can share one setup.

Paynovate SA is registered under BE0506 763 929 and describes itself as an e-money issuer regulated by the National Bank of Belgium, with an EMI licence dated 2019 and teams in Brussels and Versailles. It states it has issued nearly 2 million cards and processed €3.4 billion of acquiring volume in 2025. The company says it offers no bank or deposit accounts and that its payment accounts are outside the Guarantee Fund.

Standout feature. Paynovate gives onboarding times of two days, two weeks or one month by risk class, a figure most providers keep private.

#5 ClearBank

London and Amsterdam, United Kingdom No public price, quote on request Demo on request

Best for: Direct UK and euro scheme access for banks, payment firms and fintechs

• Operating company. ClearBank Limited and ClearBank Europe N.V.
• Jurisdiction. United Kingdom (outside the EEA, covered by an EU adequacy decision)
• Where the data sits. No data location given in the pages we read
• Source code. Closed source
• Replaces. Unit, Treasury Prime, Column

ClearBank is a clearing bank that offers deposit accounts, virtual IBANs and direct payment scheme access through one API. Its payments page lists Faster Payments, Bacs, CHAPS, SEPA, SEPA Instant and T2, with settlement at the Bank of England and the European Central Bank. A parent account can carry up to 6 million virtual IBANs, and one IBAN can hold 11 currencies alongside GBP.

ClearBank Limited is registered in England and Wales under 09736376 and is authorised by the PRA. Its EU arm, ClearBank Europe N.V., is at Stadhouderskade 85 in Amsterdam and is supervised by the ECB and De Nederlandsche Bank. The site claims 99.9 percent straight-through processing, a vendor figure. It groups its offer into agency, embedded and transaction banking. Pricing is on request and cards are not in the product list.

Standout feature. ClearBank settles at both the Bank of England and the European Central Bank while offering deposit accounts and not e-money.

#6 Treezor

Paris, France No public price, quote on request Demo on request

Best for: Card processing and banking services for European banks and benefit-card operators

• Operating company. TREEZOR SAS
• Jurisdiction. EU (France)
• Where the data sits. No data location given on the vendor pages we read
• Source code. Closed source
• Replaces. Unit, Treasury Prime, Column

Treezor presents four routes on one infrastructure: banking as a service on its own e-money licence, a core banking platform for regulated institutions, a card-only service and a ready dashboard. The card route covers issuing, processing, tokenisation and printing, and it can run under your own licence with Treezor's BIN sponsor as an option.

The publisher, TREEZOR SAS, carries SIREN 807 465 059 in Paris. Its site cites an ACPR e-money licence, DORA readiness, PCI DSS and ISO 27001, plus a client base of 150 and more and above 8.5 million cards in Europe, which are vendor figures. Use-case pages cover gift, mobility, restaurant, vacation and business cards. The homepage announces that Treezor joins Shares, and the page does not say what changes for existing clients.

Standout feature. Treezor can hand each card authorisation to the customer's own system through external authorisation.

#7 Modulr

United Kingdom Three bundles, Bronze GBP 30, Silver GBP 110 and Platinum GBP 500 monthly; platform quotes handled separately Demo on request

Best for: Payment automation, company cards and accounts for UK finance teams

• Operating company. Modulr Finance Limited / Modulr FS Limited
• Jurisdiction. United Kingdom (outside the EEA, covered by an EU adequacy decision)
• Where the data sits. No data location given on the vendor pages we read
• Source code. Closed source
• Replaces. Unit, Treasury Prime, Column

Modulr sells accounts, pay-outs, collections and company cards, leaning towards supplier payments, payroll runs and spend control. Its three bundles each include a payment allowance: 80 payments in Bronze, 500 in Silver and 3,000 in Platinum, with a fee per extra payment. Virtual company cards sit inside the bundles.

Modulr Finance Limited (England, 09897957) is an agent of Modulr FS Limited (09897919), an electronic money institution under FCA authorisation. An API and sandbox are available for platforms. Prices are in pounds and the entities are British, so an EU cardholder programme needs a separate conversation. Consumer and credit cards are not described.

Standout feature. Modulr prices its bundles by monthly fee and payment allowance together, from GBP 30 for 80 payments.

#8 Mangopay

Luxembourg Custom volume-based pricing; no public tiers or free plan Demo on request

Best for: Wallets and payouts for marketplaces and multi-party platforms

• Operating company. Mangopay S.A.
• Jurisdiction. EU (Luxembourg)
• Where the data sits. No data location given in the pages we read
• Source code. Closed source
• Replaces. Unit wallets, Treasury Prime, Stripe Connect

Mangopay gives each user of a platform a wallet that can carry as many IBANs and currencies as needed. The homepage names collection, escrow, loyalty, refund and treasury wallets as typical roles. Multi-vendor baskets and payment splits are supported natively, payouts reach 30 or more countries with local settlement, and pay-ins cover 30 or more methods in 15 or more currencies.

Mangopay S.A. is, in the words of its EU terms page, an electronic money institution approved by the Luxembourg CSSF to provide payment services in the EEA, and a separate terms page covers UK platforms. Identity verification covers more than 190 countries, and the vendor reports 97.5 percent precision for its fraud models, a self-reported figure. It does not offer personal wallets, consumer IBANs or bill payments.

Standout feature. Mangopay lets a platform keep its commission in a separate wallet while the rest is split out to sellers.

#9 Weavr

London, United Kingdom No public price, quote on request Demo on request

Best for: Expense, benefit and supplier-payment cards inside B2B software

• Operating company. Weavr Ltd and Weavr (Europe) Ltd (Paystratus Group Limited)
• Jurisdiction. United Kingdom (outside the EEA, covered by an EU adequacy decision)
• Where the data sits. No data location given on the vendor pages we read
• Source code. Closed source
• Replaces. Unit, Treasury Prime, Column

Weavr starts from the use case and not from the rail. Its pages treat employee benefits, expenses, supplier payments, subscriptions, in-store BNPL, loyalty, gifting and travel as card or account patterns to embed. Accounts and cards are delivered without a user interface of their own, and developers can reach a sandbox in the Embedder Portal, an API reference and a changelog.

UK legal entities contract with Weavr Ltd (England and Wales, 13433581), and EU entities with Weavr (Europe) Ltd (Malta, C98895); Paystratus Group Limited owns both. On the EU side Paynetics AD supplies the payment account and the Mastercard card, and Weavr (Europe) Ltd is registered as its agent. The newsroom mentions a Visa collaboration on virtual cards for travel acquirers.

Standout feature. Weavr names the partner issuer for EU programmes in its footer, which makes the regulatory chain visible.

#10 Vodeno

Warsaw, Poland No public price, quote on request Demo on request

Best for: Banking products launched under a partner bank's licence

• Operating company. Vodeno sp. z o.o.
• Jurisdiction. EU (Poland)
• Where the data sits. No data location given on the website
• Source code. Closed source
• Replaces. Fiserv, FIS, Jack Henry

Vodeno is a Warsaw company that sells banking as a service on top of HiLo, its smart-contract core banking system, with a full banking licence reached through its partnership with Aion Bank. Product owners define products in a no-code visual designer, and AI assists with building contracts. The service list covers digital onboarding, accounts with European IBANs, lending and BNPL, payments with live FX, Mastercard cards, savings and term deposits.

The privacy policy names Vodeno sp. z o.o., Dobra Street 40 in Warsaw, in the National Court Register under KRS 0000728418, with share capital of PLN 218,655,400. The site claims 500+ controls, compliance with EBA and GDPR, ISO 27001 and an in-house FX engine, all as vendor claims. The footer shows 2024 and the home page carries placeholder text, so check the live offer with the company.

Standout feature. Vodeno describes products as smart contracts that product owners define in a no-code designer.

#11 Banking Circle

Luxembourg No public price, quote on request Demo on request

Best for: Accounts, local rails and clearing access for regulated financial institutions

• Operating company. Banking Circle S.A.
• Jurisdiction. EU (Luxembourg)
• Where the data sits. No data location given in the pages we read
• Source code. Closed source
• Replaces. Unit, Column, Cross River

Banking Circle is a Luxembourg bank for other financial firms. Clients can create virtual accounts one by one or in bulk, with their own IBAN or account prefix, and regulated clients can use safeguarded accounts with segregated client money. The payments page cites SEPA Instant for euro and Faster Payments for sterling, and connections run through an API, a Client Portal, SFTP or SWIFT.

Banking Circle S.A. has its head office at 2 Boulevard de la Foire in Luxembourg, trade register number B222.310, and the CSSF supervises it as a credit institution, with branches in Copenhagen and Germany. It lists 24 currencies and up to 14 local payment currencies, and marks instant schemes for krona, krone, Australian dollar and Swiss franc as scheduled for 2026. Agency banking lets a regulated entity use its own BIC.

Standout feature. Banking Circle offers agency banking in which a regulated client joins SEPA and Faster Payments under its own BIC.

#12 Solaris

Berlin, Germany No public price, quote on request Demo on request

Best for: Branded cards backed by a German bank for software and travel brands

• Operating company. Solaris SE
• Jurisdiction. EU (Germany)
• Where the data sits. No data location given on the vendor pages we read
• Source code. Closed source
• Replaces. Unit, Treasury Prime, Column

Solaris offers branded debit, prepaid and credit cards on Visa and Mastercard through an API. According to its cards page, an account does not have to sit behind the card. Credit is sold as charge or revolving products, with limits set by credit scoring. Physical, virtual and tokenised formats are listed, including metal cards, and debit cards can include optional overdraft.

The imprint of Solaris SE, at Cuvrystrasse 53 in Berlin, lists BaFin and the European Central Bank as its supervisors, and the company calls itself a technology firm in Germany that holds a full banking licence.

The site groups offers by SaaS, ERP, HR tech, travel, mobility and wealth, and sells a KYC and KYB platform beside the cards. Pricing is not published, new partners are onboarded as a project, and the pages we read do not show who owns the company.

Standout feature. Solaris lists charge and revolving credit cards, scored per customer, next to debit and prepaid.