Ranking the Top 20 UK Payments & Paytech Companies

Payments is the engine room of fintech. Behind every card tap, bank transfer and cross-border transaction sits a payments business — an acquirer, an issuer, a processor or an infrastructure provider — and the UK, and London especially, has become one of the world’s leading centres for these companies. This guide profiles twenty of the leading UK payments and paytech businesses, grouped by what they actually do: merchant acquiring and processing, cross-border and FX, consumer payments, and the infrastructure layer that powers the rest.

This ranking focuses specifically on the payments function rather than fintech broadly. Some names here also appear in wider fintech listings, but the lens throughout is payments capability — how money moves — rather than banking, lending or wealth. Valuations and metrics reflect the most recent public data available and move quickly in this fast-scaling sector.

A Note from Our Founder — Adrian Lawrence FCA

Payments is one of the most intense senior hiring markets we see. These businesses scale extraordinarily fast, operate under FCA payments and e-money authorisation, and increasingly need the same governance maturity as regulated banks — while still moving at fintech speed. The scarcity is rarely engineering talent; it is leaders who can combine genuine payments-industry depth, regulatory approvability, and the ability to institutionalise a business that grew quickly. As these firms approach IPO or major funding rounds, the strength of the senior team and board becomes a due-diligence focus in its own right.

Adrian Lawrence FCA | Founder, Exec Capital | ICAEW Verified Fellow | ICAEW-Registered Practice | Companies House no. 15037964

Merchant acquiring and payment processing

These businesses process card and digital payments for merchants — the acquiring and gateway layer that sits between a business and the card networks.

Worldpay — The UK’s largest payment processor by transaction volume, founded in the UK and processing a large share of all UK card transactions, supporting in-store, online and phone payments with direct connections to the major card schemes.

Checkout.com — A London-headquartered global payments platform offering direct acquiring, detailed reporting and extensive international coverage, and one of the UK’s highest-valued paytech businesses, chosen by fast-growing businesses expanding across regions.

SumUp — A London (Westminster)-headquartered payments business valued at around $8.5bn, serving millions of merchants across dozens of markets with card readers, point-of-sale systems and business accounts — a champion of micro and small-business payments.

Paysafe — A payments group with deep UK roots offering processing, digital wallets and alternative payment methods across online and in-store channels.

Cross-border payments and FX

A cluster of UK-founded businesses has come to define international money movement — for consumers, SMEs and corporates — challenging the traditional bank-led model.

Wise — A UK-headquartered, listed international payments business (formerly TransferWise) offering money transfer, multi-currency accounts and business payments to over 10 million customers, one of the largest UK-headquartered payments firms by revenue.

Ebury — A London-based cross-border payments and FX business serving SMEs across 130+ currencies, majority-owned by Santander, which raised around £550m in 2026 and has been acquiring across payroll, FX and cross-border paytech.

WorldRemit (Zepz) — A London-headquartered digital remittance business moving money to emerging markets for millions of customers, part of the Zepz group.

Airwallex — A fast-scaling global payments and financial infrastructure business with a significant UK and London operation serving businesses with multi-currency accounts and cross-border payments.

Consumer payments, wallets and BNPL

This group focuses on how consumers pay — digital wallets, buy-now-pay-later, and consumer-facing payment products.

Zilch — A London-headquartered ad-subsidised payments and BNPL business, one of the UK’s notable consumer paytech scale-ups and a potential future IPO candidate.

Curve — A London fintech that consolidates multiple cards into a single smart card and app, sitting at the wallet and payments-aggregation layer.

Revolut — Though a broad financial super-app, Revolut is among the UK’s most significant payments businesses by volume and its highest-valued fintech (valued at around $75bn in late 2025), processing enormous consumer and business payment flows.

Payments infrastructure and open banking

Behind the consumer and merchant brands sits the infrastructure layer — the rails, APIs and banking-as-a-service platforms that power the wider ecosystem.

GoCardless — A London-headquartered specialist in bank-to-bank and Direct Debit payments for recurring billing, a leader in account-to-account payments for subscription and membership businesses.

ClearBank — A London-based clearing bank built for the modern era, providing embedded banking and payments infrastructure and agency banking to fintechs and financial institutions.

TrueLayer — A London-headquartered open banking platform providing payments and data APIs, a leader in account-to-account payments and embedded finance across the UK and Europe.

Yapily — A London-headquartered open banking infrastructure business offering APIs and embedded finance to fintechs and corporates across the UK and Europe.

Form3 — A London-headquartered cloud-native payments technology business providing account-to-account payment processing and infrastructure to banks and financial institutions.

PPRO — A London-headquartered local-payments infrastructure business enabling access to local payment methods across global markets for payment providers.

Modulr — A UK-headquartered payments-as-a-service and embedded payments business providing accounts and payment infrastructure to businesses and platforms.

Thought Machine — A London-headquartered core banking and payments technology business whose cloud-native platform underpins payment and banking services for institutions globally.

Volt — A London-headquartered real-time payments infrastructure business building account-to-account payment rails and open-banking-powered checkout across the UK and Europe.

Why payments senior hiring is so competitive

Payments businesses share a hiring profile that makes senior recruitment unusually demanding. They operate under FCA payments and e-money authorisation, which brings the Senior Managers regime and the need for approvable senior managers into play. They scale faster than almost any other sector, which means governance and control functions constantly need to catch up with the business. And they compete for a narrow pool of leaders who genuinely understand both the technology and the regulated-payments environment.

Hiring demand concentrates in a few areas: operational leaders who can scale payments infrastructure reliably, risk and financial-crime leaders (payments is a high financial-crime-risk environment, making the MLRO and compliance functions central), and technology leaders who understand the regulatory perimeter their systems operate within.

Governance as payments firms institutionalise

As payments businesses approach IPO or major funding rounds, board and governance depth becomes a competitive asset. Independent non-executive directors with payments and financial-services experience, Chairs who can lead a maturing governance structure, and the control functions the regulator expects all become priorities. The businesses that build this ahead of need remove a source of friction from their next funding or listing event; those that leave it late invite scrutiny.

For investors and acquirers assessing payments businesses, the quality of the senior team and the robustness of financial-crime and operational-resilience controls are core to diligence — which is why the strongest firms invest in board and control-function leadership early.

Ranking the Top 20 UK Payments & Paytech Companies