Company lists · Data refreshed September 2026

Top 24 Staff augmentation companies for accounting firms based in London, United Kingdom

RevenueBase identified 145 company matches for staff augmentation companies for accounting firms associated with London, United Kingdom as of September 2026 and tracks 1,202 professional contacts across them, including 321 with verified work emails. Across the United Kingdom, London is the largest hub for this category.

This list covers company matches for staff augmentation companies for accounting firms 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 29, 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 29, 2026 How this list was built
145Companies
1,202Contacts tracked
321Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 24 largest staff augmentation companies for accounting firms based in London, United Kingdom

Ranked by team size
Top 24 of 145 company matches for staff augmentation companies for accounting firms based in London, United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 29, 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 29, 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 29, 2026 · View company records in RevenueBase
2Exact matchLondon, United KingdomHQ recorded Sep 29, 202611-5051 contacts →

Exact match

“Sheridan Maine is a specialist Accounting, Audit, and Tax recruitment consultancy, trusted by clients and candidates across the UK and Texas, USA.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
3Exact matchLondon, United KingdomHQ recorded Sep 29, 202611-5042 contacts →

Exact match

“Altum Consulting, part of Altum Group, is a recruitment partner on a mission to do things differently.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
4Exact matchLondon, United KingdomHQ recorded Sep 29, 202611-5039 contacts →

Exact match

“Welcome to Accountancy Action, now proudly part of the Factotum Group.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
5Exact matchLondon, United KingdomHQ recorded Sep 29, 202611-5024 contacts →

Exact match

“Accountancy Divisions understands that the quality of service and the success of any recruitment campaign are heavily reliant on the calibre of the consultants undertaking it.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
6Exact matchLondon, United KingdomHQ recorded Sep 29, 202611-5023 contacts →

Exact match

“Struggling to find top talent?”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
7Exact matchLondon, United KingdomHQ recorded Sep 29, 202611-5022 contacts →

Exact match

“Established in 2010, we’re an expert Accountancy Recruitment Consultancy covering Commerce & Industry, Financial Services & NFP in London & South East England.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
8Exact matchLondon, United KingdomHQ recorded Sep 29, 202611-5022 contacts →

Exact match

“KPP Search is a specialist recruitment business delivering solutions across six main disciplines: Internal Audit, Risk Management, Compliance, Project Services, Technology and…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
9Exact matchLondon, United KingdomHQ recorded Sep 29, 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 29, 2026 · View company records in RevenueBase
10Exact matchLondon, United KingdomHQ recorded Sep 29, 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 29, 2026 · View company records in RevenueBase
11Exact matchLondon, United KingdomHQ recorded Sep 29, 20261-1015 contacts →

Exact match

“Jonson Beaumont provides specialist recruitment services in the professional services sector.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
12Exact matchLondon, United KingdomHQ recorded Sep 29, 20261-1013 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
13Exact matchLondon, United KingdomHQ recorded Sep 29, 202611-5011 contacts →

Exact match

“From our historic roots in North London we have grown into a firm which delivers a wide range of services to clients throughout the UK, with a particular expertise in the…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
14Exact matchLondon, United KingdomHQ recorded Sep 29, 202611-509 contacts →

Exact match

“At Halliday Marx, we take pride in offering elite, tailored recruitment solutions that deliver exceptional results for both our candidates and clients.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
15Exact matchLondon, United KingdomHQ recorded Sep 29, 202611-508 contacts →

Exact match

“Radley Green is a specialist recruitment consultancy and search firm based in London.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
16Exact matchLondon, United KingdomHQ recorded Sep 29, 20261-108 contacts →

Exact match

“home-box PROFESSIONAL RECRUITMENT We provide a comprehensive and professional recruitment service offering first class staff on both a permanent and temporary basis.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
17Exact matchLondon, United KingdomHQ recorded Sep 29, 202611-507 contacts →

Exact match

“Kingsgate Recruitment launched 19 years years ago to provide a flexible recruitment service across South West London.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
18Exact matchLondon, United KingdomHQ recorded Sep 29, 20261-107 contacts →

Exact match

“Hire Ground is a London-based recruitment agency with over 20 years of experience placing temporary, contract, and permanent staff across London and the UK.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
19Exact matchLondon, United KingdomHQ recorded Sep 29, 202611-507 contacts →

Exact match

“Keras Global Limited is a global Consulting and Professional Staffing company founded in 2016, specializes in providing Staff Augmentation, Professional Consulting, Payroll…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
20Exact matchLondon, United KingdomHQ recorded Sep 29, 20261-105 contacts →

Exact match

“INVENIRE: verb.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
21Exact matchLondon, United KingdomHQ recorded Sep 29, 20261-105 contacts →

Exact match

“MA is a nationwide team of experienced professionals that specialises in providing a complete range of interim and permanent staff from Bookkeepers to Finance Directors, MDs and…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
22Exact matchLondon, United KingdomHQ recorded Sep 29, 20261-105 contacts →

Exact match

“APM ACCOUNTANTS LIMITED is an accounting company based out of 67 GROSVENOR Street, London United Kingdom.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
23Exact matchLondon, United KingdomHQ recorded Sep 29, 20261-105 contacts →

Exact match

“Since 2015, Market Talent has succeeding in become a supplier of choice for many banking and financial services brands.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
24Exact matchLondon, United KingdomHQ recorded Sep 29, 2026201-5005 contacts →

Exact match

“PinnacleOSS offers a tailored accounting service, designed to work as an extension to your existing finance team or, if you’d prefer, as an alternative to hiring one at all.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase

Showing 24 of 145 staff augmentation companies for accounting firms based in London, United Kingdom

See the full list, filter by size, metro and specialty, and access 321 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Staff augmentation companies for accounting firms based in London, United Kingdom at a glance

As of Sep 29, 2026
26.7%Verified-email coverage
8.3Average contacts per company
1-10Median size (employees)
Sep 29, 2026Page data refreshed

Companies by employee count

1-10
92
11-50
40
51-200
9
201-500
2
1,001-5,000
2

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 145 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 “staff augmentation companies for accounting firms” 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 321 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 29, 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 “staff augmentation companies for accounting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

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

RevenueBase identified 145 company matches for staff augmentation companies for accounting firms 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?

Xeinadin Previously Silver Levene 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 staff augmentation companies for accounting firms?

London leads the United Kingdom with 145 company records, followed by Manchester (24) and Birmingham (20).

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 321 professional contacts with verified work emails tracked across these 145 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 29, 2026.

Ready to reach these companies? Verified emails and direct dials for all 145 staff augmentation companies for accounting firms 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.