Company lists · Data refreshed November 2026

Top 25 Personnel service providers worldwide

Name: Personnel service providers worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 43,483 companies tracked

RevenueBase identified 43,483 company matches for personnel service providers worldwide as of November 2026 and tracks 1,385,992 professional contacts across them, including 168,328 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for personnel service providers worldwide, 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 November 6, 2026. Country and city lists for personnel service providers follow the table.

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 Nov 6, 2026 How this list was built

43,483Companies

1,385,992Contacts tracked

168,328Verified emails

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The 25 largest personnel service providers worldwide

Ranked by team size

Top 25 of 43,483 company matches for personnel service providers worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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	Adecco	Exact match	Zurich, SwitzerlandHQ recorded Nov 6, 2026	10001+	157,655 contacts →
	Exact match “Perfect placements.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	Randstad	Exact match	Diemen, NetherlandsHQ recorded Nov 6, 2026	10001+	34,655 contacts →
	Exact match “Randstad is the world’s largest talent company and a partner of choice to clients.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	KELLY	Exact match	Troy, MI, United StatesHQ recorded Nov 6, 2026	10001+	33,061 contacts →
	Exact match “We’ve been helping organizations find the people they need longer than any other company in the world.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	Manpowergroup	Exact match	Milwaukee, United StatesHQ recorded Nov 6, 2026	10001+	30,624 contacts →
	Exact match “ManpowerGroup® (NYSE: MAN), the leading global workforce solutions company, helps organizations transform in a fast-changing world of work by sourcing, assessing, developing and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	Robert Half	Exact match	Menlo Park, CA, United StatesHQ recorded Nov 6, 2026	10001+	28,157 contacts →
	Exact match “At Robert Half, we prioritize your security-if you believe you've encountered a scam or fraudulent recruiter, please report it immediately to All Robert Half recruiters…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	Manpower	Exact match	Milwaukee, WI, United StatesHQ recorded Nov 6, 2026	10001+	26,152 contacts →
	Exact match “Manpower is the global leader in contingent and permanent recruitment workforce solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	HAYS	Exact match	London, United KingdomHQ recorded Nov 6, 2026	5,001-10,000	24,348 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 · Nov 6, 2026 · View company records in RevenueBase
8	Aerotek	Exact match	Hanover, FL, United StatesHQ recorded Nov 6, 2026	n/a	20,401 contacts →
	Exact match “From economic headwinds to talent complexities, the challenges facing North American industry are real.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	GI Group	Exact match	Milan, United StatesHQ recorded Nov 6, 2026	1,001-5,000	13,289 contacts →
	Exact match “We are Gi Group, one of the world’s leading providers of operational workforce solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	Express Employment International	Exact match	Oklahoma City, OK, United StatesHQ recorded Nov 6, 2026	10001+	12,387 contacts →
	Exact match “Founded in 1983 and corporately headquartered in Oklahoma City, Express Employment International supports the Express Employment Professionals franchise and related brands.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	Randstad USA	Exact match	Atlanta, GA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	9,496 contacts →
	Exact match “Randstad North America, Inc.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	Staffmark	Exact match	Cincinnati, OH, United StatesHQ recorded Nov 6, 2026	1,001-5,000	8,615 contacts →
	Exact match “It’s time to join a company that truly cares and works hard to do better for you.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	REED	Exact match	London, United KingdomHQ recorded Nov 6, 2026	1,001-5,000	6,261 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 · Nov 6, 2026 · View company records in RevenueBase
14	Peopleready	Exact match	Tacoma, WA, United StatesHQ recorded Nov 6, 2026	10001+	5,580 contacts →
	Exact match “Want to be part of an award-winning team that is reimagining the way people connect with work?” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	Appleone Employment Services	Exact match	Glendale, AZ, United StatesHQ recorded Nov 6, 2026	1,001-5,000	5,438 contacts →
	Exact match “AppleOne Employment Services is a full-service employment company.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	VOLT	Exact match	Atlanta, GA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	5,289 contacts →
	Exact match “Volt (an Innova Solutions affiliate) is a multi-award winning global workforce solutions provider that propels businesses and careers forward with expert momentum.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	Programmed	Exact match	Docklands, AustraliaHQ recorded Nov 6, 2026	10001+	4,751 contacts →
	Exact match “We are a leading provider of staffing, maintenance and facility management services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	Spherion	Exact match	Atlanta, GA, United StatesHQ recorded Nov 6, 2026	10001+	4,751 contacts →
	Exact match “We’re Spherion-a staffing and recruiting pioneer that’s been driving careers and helping businesses grow for over 75 years.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	Select Staffing	Exact match	Atlanta, GA, United StatesHQ recorded Nov 6, 2026	10001+	4,621 contacts →
	Exact match “Select Staffing is a leading provider of temporary staffing and employment services in the U.S, with nationwide operations across multiple contingent staffing sectors.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	Artech L.L.C	Exact match	Morristown, CA, United StatesHQ recorded Nov 6, 2026	5,001-10,000	3,973 contacts →
	Exact match “Artech is the largest Women-Owned IT Staffing Firm in the U.S, with 34+ years of experience powering workforce transformation for Fortune 500 companies and public-sector…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	Manpower France	Exact match	Puteaux, FranceHQ recorded Nov 6, 2026	1,001-5,000	3,827 contacts →
	Exact match “Manpower France est une marque de ManpowerGroup France qui propose aux entreprises des solutions en matière de recrutement sous le label Conseil Recrutement et des solutions aux…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	Elwood Staffing Services, INC	Exact match	Columbus, ND, United StatesHQ recorded Nov 6, 2026	n/a	3,786 contacts →
	Exact match “Whether you're looking to find your next great employee, make your next career move, or help a friend find a new job, you can trust that Elwood puts its passion and expertise into…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	Beacon Hill	Exact match	Boston, OH, United StatesHQ recorded Nov 6, 2026	1,001-5,000	3,512 contacts →
	Exact match “Beacon Hill was founded to set a new standard in search, career placement and flexible staffing.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	Randstad Enterprise	Exact match	Amsterdam, NetherlandsHQ recorded Nov 6, 2026	5,001-10,000	3,483 contacts →
	Exact match “Randstad Enterprise is the leading global talent solutions provider, enabling companies to create sustainable business value and agility by keeping people at the heart of their…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	Randstad India	Exact match	Chennai, IndiaHQ recorded Nov 6, 2026	1,001-5,000	3,467 contacts →
	Exact match “Randstad is the world’s largest talent company and a partner of choice to clients.” Recorded in the RevenueBase company graph · Nov 6, 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 “personnel service providers”. 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 43,483 personnel service providers worldwide

See the full list, filter by size, metro and specialty, and access 168,328 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Personnel service providers worldwide at a glance

As of Nov 6, 2026

12.1%Verified-email coverage

31.9Average contacts per company

11-50Median size (employees)

1.4%Largest-city concentration · London

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

19,648

11-50

12,174

51-200

6,212

201-500

2,484

501-1,000

1,148

1,001-5,000

1,011

5,001-10,000

208

10001+

246

Email recency is reported on each country list linked below.

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.
Coverage: Every country. Country and city lists for personnel service providers are linked below.
What qualifies: Company records worldwide whose business descriptions match “personnel service providers” 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. 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 168,328 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 November 6, 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.

Personnel service providers by location

209 lists · largest first

Every Personnel service providers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

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 “personnel service providers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many personnel service providers are there worldwide?

RevenueBase identified 43,483 company matches for personnel service providers worldwide as of November 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?

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

Which country has the most personnel service providers?

The United States leads with 11,944 companies, followed by India (5,399) and the United Kingdom (2,461). Every personnel service providers list by country and city is linked on this page.

Which city has the most personnel service providers?

London leads with 608 company records, followed by Bangalore (532) and Mumbai (402).

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 168,328 professional contacts with verified work emails tracked across these 43,483 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 November 6, 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.