Company lists · Data refreshed September 2026

Top 25 Big four staffing agencies based in the United Kingdom

Name: Big four staffing agencies based in the United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 5,536 companies tracked

RevenueBase identified 5,536 company matches for big four staffing agencies associated with the United Kingdom as of September 2026 and tracks 147,465 professional contacts across them, including 25,965 with verified work emails and 8,338 with mobile numbers. London is the largest hub.

This list covers company matches for big four staffing agencies 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

5,536Companies

147,465Contacts tracked

25,965Verified emails

8,338Mobile numbers

Explore this list → Free signup · no credit card · 500 free credits

The 25 largest big four staffing agencies based in the United Kingdom

Ranked by team size

Top 25 of 5,536 company matches for big four staffing agencies 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	HAYS	Exact match	London, United KingdomHQ recorded Sep 28, 2026	5,001-10,000	22,731 contacts →
	Exact match “At Hays, we believe that the right job can transform a person's life - and the right person can transform a business.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2	REED	Exact match	London, United KingdomHQ recorded Sep 28, 2026	1,001-5,000	5,837 contacts →
	Exact match “Reed is the largest family-run recruitment business in the world and we’ve been improving lives through work since 1960.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3	Robert Walters	Exact match	London, United KingdomHQ recorded Sep 28, 2026	1,001-5,000	4,423 contacts →
	Exact match “Robert Walters is the world’s most trusted talent solutions business.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4	Page Personnel	Exact match	Addlestone, United KingdomHQ recorded Sep 28, 2026	5,001-10,000	3,202 contacts →
	Exact match “Welcome to the Page Personnel company profile.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5	Blue Arrow	Exact match	London, United KingdomHQ recorded Sep 28, 2026	n/a	2,341 contacts →
	Exact match “Blue Arrow is the UK’s Best-Known Staffing Agency, placing tens of thousands of candidates into temporary and permanent jobs for employers in the transport, logistics, call…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6	Pagegroup	Exact match	London, United KingdomHQ recorded Sep 28, 2026	5,001-10,000	2,071 contacts →
	Exact match “Michael Page, Page Personnel, Page Executive and Page Outsourcing are all part of PageGroup.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7	Avance Consulting	Exact match	London, United KingdomHQ recorded Sep 28, 2026	501-1,000	1,927 contacts →
	Exact match “Avance Consulting is a global organization focused on delivering innovative talent solution services to some of the most renowned companies in the world, across industries that…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8	Staffline Recruitment Limited	Exact match	Nottingham, United KingdomHQ recorded Sep 28, 2026	501-1,000	1,865 contacts →
	Exact match “At Staffline, we make recruitment simple, strategic and effective.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9	The Best Connection	Exact match	Bromsgrove, United KingdomHQ recorded Sep 28, 2026	501-1,000	1,593 contacts →
	Exact match “Welcome to The Best Connection.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10	Search	Exact match	Glasgow, United KingdomHQ recorded Sep 28, 2026	501-1,000	1,429 contacts →
	Exact match “Search is one of the UK’s leading multi-discipline recruitment agencies, covering more than 14 different specialisms and operating from 13 offices nationwide.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11	Office Angels	Exact match	London, United KingdomHQ recorded Sep 28, 2026	201-500	1,259 contacts →
	Exact match “For 40 years now, we’ve been helping you to find the right path to a happy and successful future whether you’re a jobseeker or an employer.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12	Harvey Nash	Exact match	London, United KingdomHQ recorded Sep 28, 2026	5,001-10,000	1,248 contacts →
	Exact match “We’re Harvey Nash, and we build amazing technology and digital teams.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13	Brook Street	Exact match	Uxbridge, United KingdomHQ recorded Sep 28, 2026	501-1,000	1,214 contacts →
	Exact match “For 75 years, the middle is where we've worked best.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14	Randstad UK	Exact match	Luton, United KingdomHQ recorded Sep 28, 2026	1,001-5,000	956 contacts →
	Exact match “Randstad is your partner for talent.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15	Morson Talent	Exact match	Manchester, United KingdomHQ recorded Sep 28, 2026	1,001-5,000	909 contacts →
	Exact match “With a unique 50-year heritage of innovative recruitment, Morson Talent is a business with unrivalled sector knowledge, trusted relationships, highly skilled expertise and a…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16	Oliver James	Exact match	Manchester, United KingdomHQ recorded Sep 28, 2026	501-1,000	870 contacts →
	Exact match “At Oliver James, we deliver flexible hiring solutions tailored to your business needs across financial services, professional services, commerce & industry.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17	ARC Hospitality Recruitment	Exact match	Liverpool, United KingdomHQ recorded Sep 28, 2026	10001+	865 contacts →
	Exact match “With over 17 years of experience, we are a trusted nationwide recruitment agency specialising in providing high-quality temporary staff in an array of roles to a wide range of…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18	GCS	Exact match	London, United KingdomHQ recorded Sep 28, 2026	51-200	568 contacts →
	Exact match “For over 30 years, GCS has been at the forefront of digital transformation, building vast global communities of innovators and placing them in businesses shaping tomorrow's world.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19	The Recruitment CO	Exact match	Northampton, United KingdomHQ recorded Sep 28, 2026	1,001-5,000	558 contacts →
	Exact match “We’re THE RECRUITMENT Co.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20	Euro London	Exact match	London, United KingdomHQ recorded Sep 28, 2026	51-200	537 contacts →
	Exact match “Multilingual recruitment specialists in Europe since 1990.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21	Lorien	Exact match	100 Bishopsgate, United KingdomHQ recorded Sep 28, 2026	201-500	536 contacts →
	Exact match “Lorien is a technology, transformation and telecom talent solutions specialist.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22	GAP Personnel	Exact match	Chester, United KingdomHQ recorded Sep 28, 2026	201-500	535 contacts →
	Exact match “gap personnel is the industrial arm of gap personnel group, an award-winning recruitment company specialising industrial, professional, technical and driving sectors.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23	CER Education Recruitment	Exact match	London, United KingdomHQ recorded Sep 28, 2026	201-500	514 contacts →
	Exact match “CER Education Recruitment specialises in providing a comprehensive range of recruitment solutions and added value services to the education sector.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24	Meridian Business Support	Exact match	Manchester, United KingdomHQ recorded Sep 28, 2026	201-500	497 contacts →
	Exact match “Meridian Business Support is a Best Companies Top 100 Company to work for, supplying temporary, contract and permanent staffing solutions across multiple sectors including Built…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25	Berry Recruitment	Exact match	St. Albans, United KingdomHQ recorded Sep 28, 2026	51-200	493 contacts →
	Exact match “At Berry Recruitment we help talented individuals find fantastic new job roles to suit their skills.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “big four staffing agencies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 5,536 big four staffing agencies based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 25,965 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Big four staffing agencies based in the United Kingdom at a glance

As of Sep 28, 2026

17.6%Verified-email coverage

5.7%Mobile-number coverage

26.6Average contacts per company

1-10Median size (employees)

24.3%Largest-city concentration · London

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

3,337

11-50

1,481

51-200

457

201-500

124

501-1,000

1,001-5,000

5,001-10,000

10001+

Freshness & accuracy

How recently the business emails were verified and the company information checked

Email last verified

Median 30.0d

13,5220–30

11,66331–60

67061–90

2090–180

90180+

Company record updated

Median 94.0d

00–30

13,81231–60

45,95461–90

80,24090–180

7,459180+

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 “big four staffing agencies” 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 25,965 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.

Big four staffing agencies 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 “big four staffing agencies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many big four staffing agencies are there based in the United Kingdom?

RevenueBase identified 5,536 company matches for big four staffing agencies 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?

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

Which city has the most big four staffing agencies?

London leads with 1345 company records, followed by Manchester (209) and Birmingham (123).

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 25,965 professional contacts with verified work emails tracked across these 5,536 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.