Company lists · Data refreshed September 2026

Top 25 Financial operations outsourcing companies based in the United Kingdom

RevenueBase identified 302 company matches for financial operations outsourcing companies associated with the United Kingdom as of September 2026 and tracks 3,207 professional contacts across them, including 1,180 with verified work emails. London is the largest hub.

This list covers company matches for financial operations outsourcing companies 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 28, 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 28, 2026 How this list was built
302Companies
3,207Contacts tracked
1,180Verified emails
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The 25 largest financial operations outsourcing companies based in the United Kingdom

Ranked by team size
Top 25 of 302 company matches for financial operations outsourcing companies based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 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 matchHarrow, United KingdomHQ recorded Sep 28, 2026201-500477 contacts →

Exact match

“Outbooks is a leading provider of outsourcing services to accounting and bookkeeping firms.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2Exact matchSwindon, United KingdomHQ recorded Sep 28, 202651-200471 contacts →

Exact match

“The CFO Centre is the world's #1 provider of fractional Chief Financial Officers to SMEs with over 750 CFOs, across 18 countries* Ambitious £2m - £50m turnover companies are able…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3Exact matchLondon, United KingdomHQ recorded Sep 28, 2026501-1,000322 contacts →

Exact match

“At SKS, we pride ourselves on being different.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4Exact matchLondon, United KingdomHQ recorded Sep 28, 2026201-500311 contacts →

Exact match

“GI Outsourcing is a UK-based accountants outsourcing firm.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5Exact matchRushden, United KingdomHQ recorded Sep 28, 2026n/a166 contacts →

Exact match

“For your business to succeed.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6Exact matchLondon, United KingdomHQ recorded Sep 28, 202651-20063 contacts →

Exact match

“ARNA Accounting Pvt Limited is expert in FinTech.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7Exact matchBeccles, United KingdomHQ recorded Sep 28, 202611-5047 contacts →

Exact match

“Leading providers of specialist support services.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8Exact matchCambridge, United KingdomHQ recorded Sep 28, 202651-20044 contacts →

Exact match

“We offer a CFO-led virtual finance team.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9Exact matchChester, United KingdomHQ recorded Sep 28, 2026n/a32 contacts →

Exact match

“Invoice finance & back office support specialists.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10Exact matchCirencester, United KingdomHQ recorded Sep 28, 20261-1030 contacts →

Exact match

“We found that there was often a breakdown in service between your bookkeeper and your accountant and that more often than not the accountant was spending a majority of their time…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11Exact matchGlasgow City, United KingdomHQ recorded Sep 28, 202611-5029 contacts →

Exact match

“At Accountables, we manage the finance function for growing businesses across the US and UK, helping founders and CEOs make informed decisions with real-time financial insights.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12Exact matchLondon, United KingdomHQ recorded Sep 28, 202611-5024 contacts →

Exact match

“Oakford Advisors Ltd, a Centralis Group company, is an outsourced business services firm which specialises in providing back-office support to start-up or existing companies…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13Exact matchBirmingham, United KingdomHQ recorded Sep 28, 202611-5022 contacts →

Exact match

“If you run an accountancy or bookkeeping firm, we can help you overcome your staff recruitment and retention challenges with our outsourcing and offshoring solutions that are…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14Exact matchLondon, United KingdomHQ recorded Sep 28, 202611-5022 contacts →

Exact match

“Liberate brings your business a fully managed, engaged and integrated finance team, without the need for full time employees but with the reliability, loyalty and trust that you…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15Exact matchLondon, United KingdomHQ recorded Sep 28, 202611-5019 contacts →

Exact match

“Welcome to Intent!”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16Exact matchLeeds, United KingdomHQ recorded Sep 28, 202611-5018 contacts →

Exact match

“We are a firm of experienced finance professionals who provide strategic, financial and operational solutions to your business on a flexible basis.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17Exact matchLondon, United KingdomHQ recorded Sep 28, 202611-5016 contacts →

Exact match

“Excelsious provides accounting, bookkeeping and finance function outsourcing services to accountancy firms and small to medium enterprises.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18Exact matchLondon, United KingdomHQ recorded Sep 28, 202611-5016 contacts →

Exact match

“With over 20+ years of experience, ASESA Solutions Ltd offers world-class financial services, including comprehensive accounts management, precise bookkeeping, strategic HR…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19Exact matchMiddlesex, United KingdomHQ recorded Sep 28, 20261-1015 contacts →

Exact match

“Azuki Accounts is a specialist finance partner for recruitment agencies.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20Exact matchSelby, United KingdomHQ recorded Sep 28, 202611-5015 contacts →

Exact match

“Here at Backoffice we offer a choice of services designed to meet both the agency and operative’s needs.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21Exact matchHitchin, United KingdomHQ recorded Sep 28, 20261-1014 contacts →

Exact match

“Modina is a friendly, professional outsourcing service dedicated to helping you stay in control of your bookkeeping and payroll.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22Exact matchManchester, United KingdomHQ recorded Sep 28, 2026201-50013 contacts →

Exact match

“Our mission at Clearcut Outsourcing is to provide exceptional accountancy outsourcing services to accountancy firms of all sizes.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23Exact matchLondon, United KingdomHQ recorded Sep 28, 202611-5012 contacts →

Exact match

“At Fresh Financials, we offer a suite of financial operations services designed to simplify your business.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24Exact matchLondon, United KingdomHQ recorded Sep 28, 202611-5012 contacts →

Exact match

“As specialist providers of outsourced bookkeeping, management accounts and payroll solutions, we work with clients spanning a range of sectors across the various stages of the…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25Exact matchHull, United KingdomHQ recorded Sep 28, 202611-5012 contacts →

Exact match

“From the decision to start up, the development of strategic options and planning, the implementation of control & performance measurement systems, and profit distribution each…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase

Showing 25 of 302 financial operations outsourcing companies based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 1,180 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Financial operations outsourcing companies based in the United Kingdom at a glance

As of Sep 28, 2026
36.8%Verified-email coverage
10.6Average contacts per company
1-10Median size (employees)
30.5%Largest-city concentration · London
Sep 28, 2026Page data refreshed

Companies by employee count

1-10
218
11-50
64
51-200
11
201-500
4
501-1,000
2
1,001-5,000
1

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 302 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 operations outsourcing companies” 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 1,180 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 28, 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.

Financial operations outsourcing companies by metro

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 operations outsourcing companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many financial operations outsourcing companies are there based in the United Kingdom?

RevenueBase identified 302 company matches for financial operations outsourcing companies 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?

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

Which city has the most financial operations outsourcing companies?

London leads with 92 company records, followed by Manchester (8) and Birmingham (7).

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 1,180 professional contacts with verified work emails tracked across these 302 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 28, 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.