Company lists · Data refreshed September 2026

Top 16 Financial infrastructure providers based in the United Kingdom

RevenueBase identified 36 company matches for financial infrastructure providers associated with the United Kingdom as of September 2026 and tracks 3,218 professional contacts across them, including 1,299 with verified work emails. London is the largest hub.

This list covers company matches for financial infrastructure providers associated with the United Kingdom, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 20, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 20, 2026 How this list was built
36Companies
3,218Contacts tracked
1,299Verified emails
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The 16 largest financial infrastructure providers based in the United Kingdom

Ranked by team size
Top 16 of 36 company matches for financial infrastructure providers based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 20, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchLondon, United KingdomHQ recorded Sep 20, 2026501-1,000661 contacts →

Exact match

“Leading brands – from fintechs and banks to digital asset platforms and large-scale corporates – use our API to benefit from our fully regulated banking infrastructure and…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
2Exact matchLondon, United KingdomHQ recorded Sep 20, 2026201-500372 contacts →

Exact match

“We enable individuals and organisations in the UK to transfer money to others whenever they need to, quickly, safely and cheaply.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
3Exact matchLondon, United KingdomHQ recorded Sep 20, 202651-200199 contacts →

Exact match

“Primer is the unified infrastructure for global payments.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
4Exact matchLondon, United KingdomHQ recorded Sep 20, 2026201-500158 contacts →

Exact match

“Volt is the new leader in real-time payments.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
5Exact matchNottingham, United KingdomHQ recorded Sep 20, 2026201-50091 contacts →

Exact match

“We are passionate about payments technology and architecting it properly for the needs of today and tomorrow.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
6Exact matchMilton Keynes, United KingdomHQ recorded Sep 20, 202651-20038 contacts →

Exact match

“We have had an interesting journey over the last 17 years.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
7Exact matchLondon, United KingdomHQ recorded Sep 20, 202611-5031 contacts →

Exact match

“Trace Financial is the leading specialist in financial message transformation, routing and connectivity, corporate action management systems, and datafeed technology.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
8Exact matchLondon, United KingdomHQ recorded Sep 20, 202651-20022 contacts →

Exact match

“Nuapay is a pioneer of Open Banking and the industry’s leading Account-2-Account payment environment.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
9Exact matchLagos, United KingdomHQ recorded Sep 20, 202611-5016 contacts →

Exact match

“Open Banking and Global Real-time Payment Infrastructure”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
10Exact matchLondon, United KingdomHQ recorded Sep 20, 202611-5015 contacts →

Exact match

“Software Integrators is an independent and highly reputable software technology company serving financial institutions across the globe.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
11Exact matchLondon, United KingdomHQ recorded Sep 20, 202611-509 contacts →

Exact match

“Founded in 1968, Bacs has processed over 150 billion payments in the last five decades.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
12Exact matchLondon, United KingdomHQ recorded Sep 20, 20261-109 contacts →

Exact match

“Caddy Finance develops institution-grade financial infrastructure for banks, fintechs, and regulated businesses.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
13Exact matchEdgware, United KingdomHQ recorded Sep 20, 202611-506 contacts →

Exact match

“Mission Statement: “To turn every client's financing dream into reality, through trusted advice, with dependable, proactive, agile and deal-focused intermediation.” Call 0800 651…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
14Exact matchLondon, United KingdomHQ recorded Sep 20, 202611-504 contacts →

Exact match

“We are a boutique payments technology and consulting firm, we specializing in ISO 20022.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
15Exact matchLondon, United KingdomHQ recorded Sep 20, 202651-2002 contacts →

Exact match

“The Faster Payments Scheme is a wholly-owned subsidiary of the new home for UK retail payments, Pay.UK.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
16Exact matchEssex, United KingdomHQ recorded Sep 20, 2026n/a1 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase

Showing 16 of 36 financial infrastructure providers based in the United Kingdom

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Financial infrastructure providers based in the United Kingdom at a glance

As of Sep 20, 2026
40.4%Verified-email coverage
89.4Average contacts per company
11-50Median size (employees)
72.2%Largest-city concentration · London
Sep 20, 2026Page data refreshed

Companies by employee count

1-10
8
11-50
13
51-200
6
201-500
6
501-1,000
2

Email recency for this list is measured worldwide rather than for United Kingdom, so it is reported there. Company counts and contact totals on this page are exact for United Kingdom, over 36 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies
Company records associated with the United Kingdom whose business descriptions match “financial infrastructure providers” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking
Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification
Every displayed company carries at least one verified work email. RevenueBase tracks 1,299 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on September 20, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “financial infrastructure providers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many financial infrastructure providers are there based in the United Kingdom?

RevenueBase identified 36 company matches for financial infrastructure providers associated with the United Kingdom as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Clearbank tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most financial infrastructure providers?

London leads with 26 company records, followed by Bracknell (1) and Croydon (1).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 1,299 professional contacts with verified work emails tracked across these 36 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 20, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.