Company lists · Data refreshed September 2026

Top 25 Contingent search firms based in the United Kingdom

RevenueBase identified 3,445 contingent search firms headquartered in the United Kingdom as of September 2026 and tracks 80,657 professional contacts across them, including 14,428 with verified work emails. London is the largest hub.

This list covers contingent search firms headquartered in the United Kingdom, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 19, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 19, 2026 86% judged on-target in blind review
3,445Companies
80,657Contacts tracked
14,428Verified emails
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The 25 largest contingent search firms based in the United Kingdom

Ranked by team size
Top 25 of 3,445 contingent search firms based in the United Kingdom, ranked by team size, largest first. Data refreshed Sep 19, 2026. RevenueBase Smart Search rates how each company's information relates to contingent search firms: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceLondon, United KingdomHQ checked Sep 19, 20265,001-10,00022,731 contacts →

Indirect evidence

“At Hays, we believe that the right job can transform a person's life - and the right person can transform a business.”

Source: RevenueBase Database · checked Sep 19, 2026
2Indirect evidenceLondon, United KingdomHQ checked Sep 19, 20261,001-5,0005,837 contacts →

Indirect evidence

“Reed is the largest family-run recruitment business in the world and we’ve been improving lives through work since 1960.”

Source: RevenueBase Database · checked Sep 19, 2026
3Indirect evidenceLondon, United KingdomHQ checked Sep 19, 2026n/a2,341 contacts →

Indirect evidence

“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…”

Source: RevenueBase Database · checked Sep 19, 2026
4Indirect evidenceLondon, United KingdomHQ checked Sep 19, 20265,001-10,0002,071 contacts →

Indirect evidence

“Michael Page, Page Personnel, Page Executive and Page Outsourcing are all part of PageGroup.”

Source: RevenueBase Database · checked Sep 19, 2026
5Indirect evidenceNottingham, United KingdomHQ checked Sep 19, 2026501-1,0001,865 contacts →

Indirect evidence

“At Staffline, we make recruitment simple, strategic and effective.”

Source: RevenueBase Database · checked Sep 19, 2026
6Indirect evidenceLondon, United KingdomHQ checked Sep 19, 2026201-5001,259 contacts →

Indirect evidence

“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.”

Source: RevenueBase Database · checked Sep 19, 2026
7Indirect evidenceUxbridge, United KingdomHQ checked Sep 19, 2026501-1,0001,214 contacts →

Indirect evidence

“For 75 years, the middle is where we've worked best.”

Source: RevenueBase Database · checked Sep 19, 2026
8Indirect evidenceLiverpool, United KingdomHQ checked Sep 19, 202610001+865 contacts →

Indirect evidence

“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…”

Source: RevenueBase Database · checked Sep 19, 2026
9Indirect evidenceLondon, United KingdomHQ checked Sep 19, 202651-200568 contacts →

Indirect evidence

“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.”

Source: RevenueBase Database · checked Sep 19, 2026
10Indirect evidenceNorthampton, United KingdomHQ checked Sep 19, 20261,001-5,000558 contacts →

Indirect evidence

“We’re THE RECRUITMENT Co.”

Source: RevenueBase Database · checked Sep 19, 2026
11Indirect evidenceManchester, United KingdomHQ checked Sep 19, 2026201-500497 contacts →

Indirect evidence

“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…”

Source: RevenueBase Database · checked Sep 19, 2026
12Indirect evidenceHarrow, United KingdomHQ checked Sep 19, 2026201-500455 contacts →

Indirect evidence

“Founded in 1988, Coyle Personnel is one of the UK's top privately-owned recruitment agencies.”

Source: RevenueBase Database · checked Sep 19, 2026
13Indirect evidenceLondon Bridge, United KingdomHQ checked Sep 19, 2026201-500439 contacts →

Indirect evidence

“At Venn Group, we make recruitment personal - it’s more than just a job.”

Source: RevenueBase Database · checked Sep 19, 2026
14Strong evidenceLondon, United KingdomHQ checked Sep 19, 202651-200425 contacts →

Strong evidence

“The GRS Group is an international executive search consultancy whose services include retained search, contingency search, advertised selection and interim solutions.”

Source: RevenueBase Database · checked Sep 19, 2026
15Indirect evidenceHuntingdon, United KingdomHQ checked Sep 19, 2026201-500410 contacts →

Indirect evidence

“Interaction is one of the UK's fastest growing independent recruitment businesses, recognised and published as "UK's #1 General Recruiter".”

Source: RevenueBase Database · checked Sep 19, 2026
16Indirect evidenceSheffield, United KingdomHQ checked Sep 19, 202651-200388 contacts →

Indirect evidence

“Stafforce is the recruiter of choice, connecting high quality talent across multiple sectors - from high volume workforce recruitment to commercial and professional roles.”

Source: RevenueBase Database · checked Sep 19, 2026
17Partial evidenceLondon, United KingdomHQ checked Sep 19, 2026n/a333 contacts →

Partial evidence

Search jobs or partner with us by visiting We are Aspire.”

Source: RevenueBase Database · checked Sep 19, 2026
18Indirect evidenceOrpington, United KingdomHQ checked Sep 19, 2026n/a333 contacts →

Indirect evidence

“Trading since 2007 Express Staffing focuses on a variety of clients predominately, but not limited to, commercial property.”

Source: RevenueBase Database · checked Sep 19, 2026
19Indirect evidenceLeicester, United KingdomHQ checked Sep 19, 202651-200329 contacts →

Indirect evidence

“Established in 1988, we’re an independent company with a network of offices around the country, which makes us ideally situated to help the right people, find the right positions…”

Source: RevenueBase Database · checked Sep 19, 2026
20Indirect evidenceGlasgow City, United KingdomHQ checked Sep 19, 20261,001-5,000329 contacts →

Indirect evidence

“At Selective Personnel, each and every candidate is interviewed personally.”

Source: RevenueBase Database · checked Sep 19, 2026
21Indirect evidenceHuddersfield, United KingdomHQ checked Sep 19, 2026201-500323 contacts →

Indirect evidence

“Our Approach Major Recruitment offers 34 years of experience within multi-specialist recruitment.”

Source: RevenueBase Database · checked Sep 19, 2026
22Indirect evidenceLondon, United KingdomHQ checked Sep 19, 2026201-500300 contacts →

Indirect evidence

“At Pracyva, we specialize in building future-ready teams for clients worldwide.”

Source: RevenueBase Database · checked Sep 19, 2026
23Indirect evidenceDereham, United KingdomHQ checked Sep 19, 2026201-500283 contacts →

Indirect evidence

“Permanent solutions for Temporary staff.”

Source: RevenueBase Database · checked Sep 19, 2026
24Indirect evidenceLondon, United KingdomHQ checked Sep 19, 202651-200265 contacts →

Indirect evidence

“Berkeley Scott | Recruitment Experts in Hospitality With over 30 years of experience, Berkeley Scott is the UK’s leading specialist in recruitment for the Hotel, Hospitality and…”

Source: RevenueBase Database · checked Sep 19, 2026
25Indirect evidenceNorthampton, United KingdomHQ checked Sep 19, 202651-200252 contacts →

Indirect evidence

“At Quest Employment we pride ourselves on being a leading recruitment specialist within the Midlands.”

Source: RevenueBase Database · checked Sep 19, 2026

Showing 25 of 3,445 contingent search firms based in the United Kingdom

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Contingent search firms based in the United Kingdom at a glance

As of Sep 19, 2026
17.9%Verified-email coverage
23.4Average contacts per company
1-10Median size (employees)
27.0%Largest-city concentration · London
Sep 19, 2026Page data refreshed

Companies by employee count

1-10
2,331
11-50
841
51-200
191
201-500
42
501-1,000
13
1,001-5,000
12
5,001-10,000
4
10001+
2

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 3,445 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among contingent search firms, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies
Companies headquartered in the United Kingdom whose own description of what they do matches “contingent search firms”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names contingent search firms), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among contingent search firms, and records with no verified work email. Companies headquartered outside United Kingdom are excluded even when they keep an office there.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 14,428 across the full list. 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 19, 2026. Lists refresh periodically as the graph is re-checked.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names contingent search firms, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many contingent search firms are there based in the United Kingdom?

RevenueBase identified 3,445 contingent search firms headquartered in the United Kingdom as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

HAYS, headquartered in London, tops this list with the largest team on record.

Which city has the most contingent search firms?

London leads with 930 headquartered companies, followed by Manchester (129) and Birmingham (65).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 14,428 verified decision-maker contacts tracked across these 3,445 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 19, 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 Smart Search, 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.