Payments Lawyers

The legal minds behind every movement money makes.

Over $10 trillion moves around the world every day, and we help you make it happen. From the e-wallet your customers use to buy their morning coffee, to the terms that support billion-dollar payment transformation projects, our payments law experts are involved every step of the way to help you ensure your payment systems function legally, safely and smoothly.

We help financial institutions including every single UK high street bank, plus global tech companies, fintechs, and payment providers to navigate every legal aspect of moving money, from regulatory compliance and commercial contracts to loyalty schemes, data protection and cross-border considerations.

Whether you're launching a new payment product, enhancing existing infrastructure, or responding to evolving global regulations, we provide practical legal solutions that ensure your payment systems remain compliant, secure, and commercially sound.

 

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Payments Highlights

ALL

TIER 1

800+

150+

of the UK's

ranked in Chambers & Partners

payments matters

clients





high street banks trust us to advise their payments.

for Partner, William James’ outstanding expertise in Payments law. 

were completed by our specialist payments team in the last three years.

trust our expertise and experience to advise on their payments matters every year. 

ALL

TIER 1

of the UK's

ranked in Chambers & Partners



high street banks trust us to advise their payments.

for Partner, William James’ outstanding expertise in Payments law. 

800+

150+

payments matters

clients



were completed by our specialist payments team in the last three years.

trust our expertise and experience to advise on their payments matters every year. 

Specialist experts in everything payments law.

The payments ecosystem is continuously shaped by innovation in fintech businesses, increasing regulatory compliance demands, and growing consumer expectations for seamless, secure payment solutions. 

We work to support our clients with payment systems law, cross-border payment regulations, and data protection. We work with banks, fintech companies, payment processors, and global technology providers to build, scale, and protect payment platforms that align with wider financial services regulation and international payments infrastructure. From digital wallets, real-time payments, and open banking to loyalty schemes, payment architecture, and regulatory licensing, we help clients mitigate legal risk while enabling innovation and growth.

Payments Acceptance Businesses

Payments acceptance businesses operate at the heart of the transaction chain, enabling merchants to accept payments online, in-store, and across borders. Our legal payments team supports these businesses with end-to-end legal advice, from structuring acquiring and processing agreements, to advising on merchant onboarding, risk management, data protection, and regulatory compliance. 

We help navigate the complex legal landscape around card scheme rules, AML requirements, fraud prevention, and cross-border payments. Whether you're a payment gateway, acquirer, or platform offering embedded finance, we ensure your operations are legally robust, commercially sound, and scalable in a fast-moving regulatory environment.

 

Banks

Banks are central to the global payments ecosystem, but they face increasing complexity as they modernise legacy systems, adopt new technologies, and respond to fast-changing regulatory expectations. 

Our legal payments team advises banks on every aspect of payments law, from payment infrastructure projects and scheme participation to compliance with FCA, PSD2, and other regulatory frameworks. We assist with the legal structuring of payment products, real-time payments, API integrations, fraud prevention, and data protection. Whether you’re enhancing card issuing capabilities, launching new digital payment services, or partnering with fintechs, we help ensure your solutions are secure, compliant, and future-ready.

 

Card Issuers

Card issuers operate in a highly regulated and competitive environment where compliance, innovation, and customer trust are critical. 

Our legal payments team advises card issuers, from traditional banks to fintechs and co-brand partners, on the full legal lifecycle of card issuing programs, including BIN sponsorship, scheme compliance (Visa, Mastercard, etc.), consumer credit regulation, and outsourcing arrangements. 

We help structure and negotiate key contracts with processors, program managers, and card manufacturers, while ensuring adherence to regulatory frameworks such as PSD2, FCA rules, and consumer protection laws. Whether launching prepaid, debit, credit, or virtual cards, we provide the legal support needed to deliver secure, compliant, and commercially successful products.

Open Banking

Open banking is transforming the way financial data and payments are shared, creating new opportunities for banks, fintechs, and third-party providers (TPPs). 

Our legal payments team advises clients across the open banking ecosystem, including account providers, PISPs, AISPs, and technology platforms. We provide this advice on everything from regulatory authorisation and data sharing frameworks to API access, consent management, and customer journey design. 

We help ensure compliance with PSD2, UK Open Banking Standards, FCA requirements, and data protection laws, while supporting the development of secure and scalable open banking solutions. Whether you're building a new product, forming a bank–fintech partnership, or navigating liability and risk in data sharing, we provide the legal insight needed to innovate with confidence.

Electronic Money and Innovation

Electronic money and innovation sit at the forefront of the modern payments landscape, enabling new ways to store, send, and manage value digitally.

Our legal payments team works with electronic money institutions (EMIs), challenger banks, fintechs, and embedded finance platforms to launch and scale innovative payment products within a complex regulatory framework.

We advise on e-money licensing, FCA and PSD2 compliance, safeguarding requirements, customer terms, and relationships with banking partners, card issuers, and payment processors. Whether you’re developing a digital wallet, multi-currency account, or integrating crypto assets into your offering, we provide commercially focused legal support that helps bring new payment solutions to market securely, compliantly, and at pace.

 

Our work

Open Banking Limited

Advised on rare matter where commercial and competition disciplines are working together to develop a new scheme for a new type of payment methodology.