Company lists · Data refreshed October 2026

Top 25 Banking service providers based in London, United Kingdom

RevenueBase identified 77 company matches for banking service providers associated with London, United Kingdom as of October 2026 and tracks 35,781 professional contacts across them, including 11,457 with verified work emails. Across the United Kingdom, London is the largest hub for this category.

This list covers company matches for banking service providers associated with London, 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 October 8, 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 Oct 8, 2026 How this list was built
77Companies
35,781Contacts tracked
11,457Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest banking service providers based in London, United Kingdom

Ranked by team size
Top 25 of 77 company matches for banking service providers based in London, United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 8, 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 Oct 8, 202610001+9,045 contacts →

Exact match

“Our purpose at Santander UK is to help people and businesses prosper.”

Recorded in the RevenueBase company graph · Oct 8, 2026 · View company records in RevenueBase
2Exact matchLondon, United KingdomHQ recorded Oct 8, 20261,001-5,0003,800 contacts →

Exact match

“At Monzo, we’re building a new kind of bank.”

Recorded in the RevenueBase company graph · Oct 8, 2026 · View company records in RevenueBase
3Exact matchLondon, United KingdomHQ recorded Oct 8, 20265,001-10,0003,744 contacts →

Exact match

“At TSB we’re pioneering a new kind of banking for Britain – one that’s simple, straightforward and cares about people.”

Recorded in the RevenueBase company graph · Oct 8, 2026 · View company records in RevenueBase
4Exact matchLondon, United KingdomHQ recorded Oct 8, 20261,001-5,0002,633 contacts →

Exact match

“At Metro Bank, we do banking differently.”

Recorded in the RevenueBase company graph · Oct 8, 2026 · View company records in RevenueBase
5Exact matchLondon, United KingdomHQ recorded Oct 8, 20261,001-5,0002,578 contacts →

Exact match

“Hello, we’re Starling.”

Recorded in the RevenueBase company graph · Oct 8, 2026 · View company records in RevenueBase
6Exact matchLondon, United KingdomHQ recorded Oct 8, 2026501-1,000900 contacts →

Exact match

“We’re Zopa, and we want to make money work better for you.”

Recorded in the RevenueBase company graph · Oct 8, 2026 · View company records in RevenueBase
7Exact matchLondon, United KingdomHQ recorded Oct 8, 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 · Oct 8, 2026 · View company records in RevenueBase
8Exact matchLondon, United KingdomHQ recorded Oct 8, 2026501-1,000660 contacts →

Exact match

“We offer private and commercial banking as well as wealth management.”

Recorded in the RevenueBase company graph · Oct 8, 2026 · View company records in RevenueBase
9Exact matchLondon, United KingdomHQ recorded Oct 8, 2026201-500574 contacts →

Exact match

“At C.”

Recorded in the RevenueBase company graph · Oct 8, 2026 · View company records in RevenueBase
10Exact matchLondon, United KingdomHQ recorded Oct 8, 202610001+237 contacts →

Exact match

“At NatWest we’re committed to helping British businesses grow.”

Recorded in the RevenueBase company graph · Oct 8, 2026 · View company records in RevenueBase
11Exact matchLondon, United KingdomHQ recorded Oct 8, 2026201-500229 contacts →

Exact match

“LHV Bank provides Retail Banking for UK consumers, SME Lending solutions for UK businesses, and Banking Services for global fintechs.”

Recorded in the RevenueBase company graph · Oct 8, 2026 · View company records in RevenueBase
12Exact matchLondon, United KingdomHQ recorded Oct 8, 2026201-500170 contacts →

Exact match

“Traditional financial service providers are often burdened with costly overheads including expensive branch networks, inflexible technology and huge armies of people.”

Recorded in the RevenueBase company graph · Oct 8, 2026 · View company records in RevenueBase
13Exact matchLondon, United KingdomHQ recorded Oct 8, 202651-20096 contacts →

Exact match

“BKN301 is a helping Banks and Fintechs, and.”

Recorded in the RevenueBase company graph · Oct 8, 2026 · View company records in RevenueBase
14Exact matchLondon, United KingdomHQ recorded Oct 8, 202651-20079 contacts →

Exact match

“Recognise is a specialist UK bank built around one thing: Certainty.”

Recorded in the RevenueBase company graph · Oct 8, 2026 · View company records in RevenueBase
15Exact matchLondon, United KingdomHQ recorded Oct 8, 202611-5063 contacts →

Exact match

“Welcome to Union Bank of India (UK) Ltd.”

Recorded in the RevenueBase company graph · Oct 8, 2026 · View company records in RevenueBase
16Exact matchLondon, United KingdomHQ recorded Oct 8, 202651-20061 contacts →

Exact match

“Founded in 1890, social good has been at the heart of Reliance Bank.”

Recorded in the RevenueBase company graph · Oct 8, 2026 · View company records in RevenueBase
17Exact matchLondon, United KingdomHQ recorded Oct 8, 202651-20046 contacts →

Exact match

“At MyMonty we're changing the game of financial services with innovative solutions.”

Recorded in the RevenueBase company graph · Oct 8, 2026 · View company records in RevenueBase
18Exact matchLondon, United KingdomHQ recorded Oct 8, 202611-5034 contacts →

Exact match

“Fiat Republic is a Banking-as-a-Service (BaaS) platform on a mission to help crypto break into the mainstream by cracking the banking code.”

Recorded in the RevenueBase company graph · Oct 8, 2026 · View company records in RevenueBase
19Exact matchLondon, United KingdomHQ recorded Oct 8, 202651-20033 contacts →

Exact match

“Xace is a global, multi-licensed finance infrastructure group, providing business accounts, international payments, cards, treasury, FX, safeguarding and financial technology to…”

Recorded in the RevenueBase company graph · Oct 8, 2026 · View company records in RevenueBase
20Exact matchLondon, United KingdomHQ recorded Oct 8, 202611-5029 contacts →

Exact match

“obconnect builds and operates the infrastructure that lets banks, corporates and financial institutions deliver secure payment and name-checking products to a whole market -…”

Recorded in the RevenueBase company graph · Oct 8, 2026 · View company records in RevenueBase
21Exact matchLondon, United KingdomHQ recorded Oct 8, 202651-20026 contacts →

Exact match

“Bank of Beirut (UK) Ltd is a banking company based out of 66 Cannon Street, London and 17A Curzon Street, Mayfair, London”

Recorded in the RevenueBase company graph · Oct 8, 2026 · View company records in RevenueBase
22Exact matchLondon, United KingdomHQ recorded Oct 8, 202611-5026 contacts →

Exact match

“Better business banking for entrepreneurs.”

Recorded in the RevenueBase company graph · Oct 8, 2026 · View company records in RevenueBase
23Exact matchLondon, United KingdomHQ recorded Oct 8, 202611-5021 contacts →

Exact match

“Gemba is the banking infrastructure layer for non-banks.”

Recorded in the RevenueBase company graph · Oct 8, 2026 · View company records in RevenueBase
24Exact matchLondon, United KingdomHQ recorded Oct 8, 202611-5021 contacts →

Exact match

“Pannovate is a Banking-as-a-Service platform and orchestration layer that empowers financial and non-financial organisations to deliver seamless digital experiences and embedded…”

Recorded in the RevenueBase company graph · Oct 8, 2026 · View company records in RevenueBase
25Exact matchLondon, United KingdomHQ recorded Oct 8, 202611-5020 contacts →

Exact match

“Digital banking, re-imagined.”

Recorded in the RevenueBase company graph · Oct 8, 2026 · View company records in RevenueBase

Showing 25 of 77 banking service providers based in London, United Kingdom

See the full list, filter by size, metro and specialty, and access 11,457 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Banking service providers based in London, United Kingdom at a glance

As of Oct 8, 2026
32.0%Verified-email coverage
464.7Average contacts per company
11-50Median size (employees)
Oct 8, 2026Page data refreshed

Companies by employee count

1-10
11
11-50
28
51-200
15
201-500
6
501-1,000
4
1,001-5,000
4
5,001-10,000
1
10001+
8

Email recency for this list is measured across the whole United Kingdom list rather than for London, so it is reported there. Company counts and contact totals on this page are exact for London, over 77 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 London, United Kingdom whose business descriptions match “banking service 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 11,457 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 October 8, 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 “banking service providers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many banking service providers are there based in London, United Kingdom?

RevenueBase identified 77 company matches for banking service providers associated with London, United Kingdom as of October 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?

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

Which city in the United Kingdom has the most banking service providers?

London leads the United Kingdom with 77 company records, followed by Edinburgh (4) and Manchester (3).

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 11,457 professional contacts with verified work emails tracked across these 77 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 October 8, 2026.

Ready to reach these companies? Verified emails and direct dials for all 77 banking service providers based in London, United Kingdom. Start with a free account, no credit card.

Download this list →

Related lists

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.