Company lists · Data refreshed September 2026

Top 24 Accounting firm staff augmentation companies based in London, United Kingdom

RevenueBase identified 310 company matches for accounting firm staff augmentation companies associated with London, United Kingdom as of September 2026 and tracks 4,550 professional contacts across them, including 1,531 with verified work emails. Across the United Kingdom, London is the largest hub for this category.

This list covers company matches for accounting firm staff augmentation companies 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 September 27, 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 27, 2026 How this list was built
310Companies
4,550Contacts tracked
1,531Verified emails
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The 24 largest accounting firm staff augmentation companies based in London, United Kingdom

Ranked by team size
Top 24 of 310 company matches for accounting firm staff augmentation companies based in London, United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 27, 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 27, 2026501-1,000702 contacts →

Exact match

“We are a fast-growing firm of accountants and business advisers based in London’s Canary Wharf, Leeds and in Manchester.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
2Exact matchLondon, United KingdomHQ recorded Sep 27, 20261,001-5,000505 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
3Exact matchLondon, United KingdomHQ recorded Sep 27, 2026201-500377 contacts →

Exact match

“Hirexa Solutions is a leading group of companies committed to delivering exceptional services to Fortune 500 clients worldwide.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
4Exact matchLondon, United KingdomHQ recorded Sep 27, 2026201-500311 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
5Exact matchLondon, United KingdomHQ recorded Sep 27, 20261,001-5,000102 contacts →

Exact match

“With more than 2,500 people spanning our office network, we provide an extensive spectrum of personalised services, encompassing accounting, audit, tax, advisory, and business…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
6Exact matchLondon, United KingdomHQ recorded Sep 27, 202651-20082 contacts →

Exact match

“Welcome to 9NEXUS- Your Trusted Partner for IT Staff Augmentation & Offshore Solutions.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
7Exact matchLondon, United KingdomHQ recorded Sep 27, 202651-20058 contacts →

Exact match

“We are on a mission to help accountants to grow their accountancy practice and become more profitable.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
8Exact matchLondon, United KingdomHQ recorded Sep 27, 202651-20053 contacts →

Exact match

“Bright Grahame Murray is a medium-sized firm of Chartered Accountants based in Kensington, London, SW7.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
9Exact matchLondon, United KingdomHQ recorded Sep 27, 202651-20053 contacts →

Exact match

“Est.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
10Exact matchLondon, United KingdomHQ recorded Sep 27, 202611-5051 contacts →

Exact match

“Empowering Businesses to Thrive Through Financial Clarity | Adroit Accountax We're a team of passionate and experienced accountants dedicated to your business success.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
11Exact matchLondon, United KingdomHQ recorded Sep 27, 202651-20048 contacts →

Exact match

“ACCOUNTAX.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
12Exact matchLondon, United KingdomHQ recorded Sep 27, 202651-20042 contacts →

Exact match

“Diacron Group provides accounting, tax and corporate services.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
13Exact matchLondon, United KingdomHQ recorded Sep 27, 202611-5042 contacts →

Exact match

“At PSB Accountants, we put your goals and aspirations first.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
14Exact matchLondon, United KingdomHQ recorded Sep 27, 202651-20035 contacts →

Exact match

“Accounting for Startups.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
15Exact matchLondon, United KingdomHQ recorded Sep 27, 202611-5035 contacts →

Exact match

“THP Chartered Accountants have five offices covering London, Surrey and Essex.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
16Exact matchLondon, United KingdomHQ recorded Sep 27, 202611-5027 contacts →

Exact match

“Chartered Accountants, Tax Advisors and Statutory Auditor based in London.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
17Exact matchLondon, United KingdomHQ recorded Sep 27, 202611-5023 contacts →

Exact match

“Our ambition is to be increasingly recognised as the UK's leading accountancy practice for small businesses.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
18Exact matchLondon, United KingdomHQ recorded Sep 27, 202651-20020 contacts →

Exact match

“Our mission is to reduce the compliance accounting burden for local firms so they can focus on spending more time with clients and growing their firm Accounting firms need to be…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
19Exact matchLondon, United KingdomHQ recorded Sep 27, 202611-5017 contacts →

Exact match

“At Finerva, we specialise in helping ambitious business owners, entrepreneurs and venture-backed companies navigate the complexities of scaling.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
20Exact matchLondon, United KingdomHQ recorded Sep 27, 202611-5017 contacts →

Exact match

“Chartered Solutions allows Professional Services firms to take on additional work without the added risk and responsibilities of hiring permanent employees.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
21Exact matchLondon, United KingdomHQ recorded Sep 27, 202611-5015 contacts →

Exact match

“We're an accounting firm helping to make scaling a company smoother, less stressful and more rewarding for entrepreneurs.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
22Exact matchLondon, United KingdomHQ recorded Sep 27, 20261-1013 contacts →

Exact match

“Accountancy and Finance Recruitment - Results driven, people focused.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
23Exact matchLondon, United KingdomHQ recorded Sep 27, 20261-1013 contacts →

Exact match

“Accounting Crunchers Limited is a full-service business consulting and advisory firm with a global presence in the UAE, UK, Canada, and USA.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
24Exact matchLondon, United KingdomHQ recorded Sep 27, 202611-5012 contacts →

Exact match

“At Chariot House, we specialize in supporting small to medium-sized organisations in managing their finances more efficiently and with greater simplicity.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase

Showing 24 of 310 accounting firm staff augmentation companies based in London, United Kingdom

See the full list, filter by size, metro and specialty, and access 1,531 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Accounting firm staff augmentation companies based in London, United Kingdom at a glance

As of Sep 27, 2026
33.6%Verified-email coverage
14.7Average contacts per company
1-10Median size (employees)
Sep 27, 2026Page data refreshed

Companies by employee count

1-10
197
11-50
75
51-200
25
201-500
6
501-1,000
1
1,001-5,000
5

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 310 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 “accounting firm staff augmentation 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 1,531 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 27, 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.

Accounting firm staff augmentation companies by metro in the United Kingdom

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 “accounting firm staff augmentation companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many accounting firm staff augmentation companies are there based in London, United Kingdom?

RevenueBase identified 310 company matches for accounting firm staff augmentation companies associated with London, 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?

PKF Littlejohn 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 accounting firm staff augmentation companies?

London leads the United Kingdom with 310 company records, followed by Manchester (42) and Birmingham (31).

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 1,531 professional contacts with verified work emails tracked across these 310 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 27, 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.