Company lists · Data refreshed September 2026

Top 25 Mutual banks based in the United Kingdom

RevenueBase identified 180 company matches for mutual banks associated with the United Kingdom as of September 2026 and tracks 16,767 professional contacts across them, including 7,908 with verified work emails. London is the largest hub.

This list covers company matches for mutual banks 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 17, 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 17, 2026 How this list was built
180Companies
16,767Contacts tracked
7,908Verified emails
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The 25 largest mutual banks based in the United Kingdom

Ranked by team size
Top 25 of 180 company matches for mutual banks based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 17, 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 matchManchester, United KingdomHQ recorded Sep 17, 20261,001-5,0003,138 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
2Exact matchSkipton, United KingdomHQ recorded Sep 17, 20261,001-5,0001,825 contacts →

Exact match

“Founded on Fairness.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
3Exact matchLeeds, United KingdomHQ recorded Sep 17, 20261,001-5,0001,367 contacts →

Exact match

“Welcome to Leeds Building Society.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
4Exact matchReading, United KingdomHQ recorded Sep 17, 20261,001-5,0001,358 contacts →

Exact match

“Backing you to do more We’re Aldermore, trusted and highly rated by over a quarter of a million customers for more than 15 years.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
5Exact matchCardiff, United KingdomHQ recorded Sep 17, 20261,001-5,000783 contacts →

Exact match

“Principality is a mutual building society, which means that we're owned by and run for the benefit of our Members – our savers and borrowers.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
6Exact matchWest Bromwich, United KingdomHQ recorded Sep 17, 2026501-1,000472 contacts →

Exact match

“At the West Brom, we know solid futures don’t happen overnight.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
7Exact matchNottingham, United KingdomHQ recorded Sep 17, 2026501-1,000412 contacts →

Exact match

“Your financial needs and personal circumstances are ever-evolving.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
8Exact matchCarlisle, United KingdomHQ recorded Sep 17, 2026501-1,000388 contacts →

Exact match

“The Cumberland aims to provide a kinder banking experience for our people, planet and community.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
9Exact matchBrighton, United KingdomHQ recorded Sep 17, 2026501-1,000383 contacts →

Exact match

“A leading financial services provider known for its simple and straightforward investment options.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
10Exact matchBirmingham, United KingdomHQ recorded Sep 17, 2026201-500250 contacts →

Exact match

“Unity is an award-winning, independent commercial bank that uses banking to improve the lives of UK communities Our purpose is to help create a better society, not simply maximise…”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
11Exact matchNewport, United KingdomHQ recorded Sep 17, 2026201-500199 contacts →

Exact match

“Monmouthshire Building Society, one of Wales’ largest and most successful financial institutions, provides a competitive range of mortgage, savings and insurance products.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
12Exact matchManchester, United KingdomHQ recorded Sep 17, 202651-200190 contacts →

Exact match

“We’re DF Capital, a specialist savings and business finance bank built to serve the needs of individuals and businesses in the UK.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
13Exact matchSaffron Walden, United KingdomHQ recorded Sep 17, 202651-200186 contacts →

Exact match

“We are different because we put people at the heart of our business.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
14Exact matchCambridge, United KingdomHQ recorded Sep 17, 202651-200168 contacts →

Exact match

“We’re an independent, thriving, mutual society which has been an integral part of the community since 1850.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
15Exact matchNewbury, United KingdomHQ recorded Sep 17, 2026201-500138 contacts →

Exact match

“Newbury Building Society is an award-winning, member-owned building society, helping people achieve their financial goals.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
16Exact matchDarlington, United KingdomHQ recorded Sep 17, 202651-200135 contacts →

Exact match

“We are Darlington Building Society, we have nine branches across the North East, County Durham, and North Yorkshire.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
17Exact matchMarket Harborough, United KingdomHQ recorded Sep 17, 202651-200112 contacts →

Exact match

“Welcome to Market Harborough Building Society.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
18Exact matchStaffordshire, United KingdomHQ recorded Sep 17, 2026201-500112 contacts →

Exact match

“For over 160 years, we’ve provided savings and mortgages with a simple purpose: we’re a force for good.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
19Exact matchBrierley Hill, United KingdomHQ recorded Sep 17, 202651-200109 contacts →

Exact match

“Dudley Building Society has been powering life for over 160 years.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
20Exact matchIpswich, United KingdomHQ recorded Sep 17, 202651-200106 contacts →

Exact match

“Providing a safe home for savers and safe homes for our communities.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
21Exact matchMansfield, United KingdomHQ recorded Sep 17, 202651-200101 contacts →

Exact match

“The Mansfield is a modern independent building society that has been serving its customers since its formation in 1870.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
22Exact matchBelfast, United KingdomHQ recorded Sep 17, 202651-20085 contacts →

Exact match

“Progressive Building Society is a Northern Ireland based financial services provider headquartered in Belfast and operates 11 branches across the province.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
23Exact matchHinckley, United KingdomHQ recorded Sep 17, 202651-20083 contacts →

Exact match

“Hinckley & Rugby Building Society has a long-standing heritage rooted in our local communities, created in 1983 through the merger of two historic societies founded in the 1860s.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
24Exact matchLondon, United KingdomHQ recorded Sep 17, 202651-20079 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
25Exact matchTipton, United KingdomHQ recorded Sep 17, 202651-20068 contacts →

Exact match

“At the Tipton, we’ve been proudly serving our community since 1901.”

Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase

Showing 25 of 180 mutual banks based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 7,908 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Mutual banks based in the United Kingdom at a glance

As of Sep 17, 2026
47.2%Verified-email coverage
93.2Average contacts per company
11-50Median size (employees)
7.8%Largest-city concentration · London
Sep 17, 2026Page data refreshed

Companies by employee count

1-10
80
11-50
61
51-200
22
201-500
5
501-1,000
5
1,001-5,000
7

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 180 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 “mutual banks” 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 7,908 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 17, 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 “mutual banks”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many mutual banks are there based in the United Kingdom?

RevenueBase identified 180 company matches for mutual banks 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?

The Co-Operative Bank PLC tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most mutual banks?

London leads with 14 company records, followed by Glasgow (7) and Belfast (5).

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 7,908 professional contacts with verified work emails tracked across these 180 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 17, 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.