Company lists · Data refreshed September 2026

Top 25 IT staffing services worldwide

Name: IT staffing services worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 27, 2026 26,275 companies tracked

RevenueBase identified 26,275 IT staffing services worldwide as of September 2026 and tracks 855,444 professional contacts across them, including 139,580 with verified work emails and 173,765 with mobile numbers. The United States is the largest market and London the largest hub.

This list covers IT staffing services worldwide, 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 27, 2026. Country and city lists for IT staffing services follow the table.

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 27, 2026 86% judged on-target in blind review

26,275Companies

855,444Contacts tracked

139,580Verified emails

173,765Mobile numbers

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The 25 largest IT staffing services worldwide

Ranked by team size

Top 25 of 26,275 IT staffing services worldwide, ranked by team size, largest first. Data refreshed Sep 27, 2026. RevenueBase Smart Search rates how each company's information relates to IT staffing services: 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.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	KELLY	Indirect evidence	Troy, MI, United StatesHQ checked Sep 27, 2026	10001+	30,378 contacts →
	Indirect evidence “We’ve been helping organizations find the people they need longer than any other company in the world.” Source: RevenueBase Database · checked Sep 27, 2026
2	Randstad	Indirect evidence	Diemen, NetherlandsHQ checked Sep 27, 2026	10001+	30,074 contacts →
	Indirect evidence “Randstad is the world’s largest talent company and a partner of choice to clients.” Source: RevenueBase Database · checked Sep 27, 2026
3	Robert Half	Partial evidence	Menlo Park, CA, United StatesHQ checked Sep 27, 2026	10001+	25,574 contacts →
	Partial evidence “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…” Source: RevenueBase Database · checked Sep 27, 2026
4	HAYS	Indirect evidence	London, United KingdomHQ checked Sep 27, 2026	5,001-10,000	22,731 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 27, 2026
5	Manpower	Indirect evidence	Milwaukee, WI, United StatesHQ checked Sep 27, 2026	10001+	22,508 contacts →
	Indirect evidence “Manpower is the global leader in contingent and permanent recruitment workforce solutions.” Source: RevenueBase Database · checked Sep 27, 2026
6	Insight Global	Indirect evidence	Atlanta, GA, United StatesHQ checked Sep 27, 2026	n/a	15,553 contacts →
	Indirect evidence “Insight Global is an international talent and consulting company that delivers business outcomes in an ever-changing world.” Source: RevenueBase Database · checked Sep 27, 2026
7	Express Employment International	Indirect evidence	Oklahoma City, OK, United StatesHQ checked Sep 27, 2026	10001+	12,647 contacts →
	Indirect evidence “Founded in 1983 and corporately headquartered in Oklahoma City, Express Employment International supports the Express Employment Professionals franchise and related brands.” Source: RevenueBase Database · checked Sep 27, 2026
8	Randstad USA	Indirect evidence	Atlanta, GA, United StatesHQ checked Sep 27, 2026	1,001-5,000	8,522 contacts →
	Indirect evidence “Randstad North America, Inc.” Source: RevenueBase Database · checked Sep 27, 2026
9	Experis	Indirect evidence	Milwaukee, WI, United StatesHQ checked Sep 27, 2026	10001+	7,984 contacts →
	Indirect evidence “Experis® is a global leader in technology services, helping organizations shorten the distance between innovation and business impact in a digital world.” Source: RevenueBase Database · checked Sep 27, 2026
10	Kforce INC	Partial evidence	Tampa, FL, United StatesHQ checked Sep 27, 2026	1,001-5,000	6,147 contacts →
	Partial evidence “Kforce is a solutions firm specializing in technology, finance and accounting, and professional staffing services.” Source: RevenueBase Database · checked Sep 27, 2026
11	REED	Indirect evidence	London, United KingdomHQ checked Sep 27, 2026	1,001-5,000	5,837 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 27, 2026
12	Peopleready	Indirect evidence	Tacoma, WA, United StatesHQ checked Sep 27, 2026	10001+	5,482 contacts →
	Indirect evidence “Want to be part of an award-winning team that is reimagining the way people connect with work?” Source: RevenueBase Database · checked Sep 27, 2026
13	Lancesoft, INC	Partial evidence	Herndon, VA, United StatesHQ checked Sep 27, 2026	5,001-10,000	4,877 contacts →
	Partial evidence “Established in LanceSoft is a pioneer in delivering top-notch Global Workforce Solutions and IT Services to a diverse clientele.” Source: RevenueBase Database · checked Sep 27, 2026
14	Appleone Employment Services	Indirect evidence	Glendale, CA, United StatesHQ checked Sep 27, 2026	1,001-5,000	4,627 contacts →
	Indirect evidence “AppleOne Employment Services is a full-service employment company.” Source: RevenueBase Database · checked Sep 27, 2026
15	Robert Walters	Indirect evidence	London, United KingdomHQ checked Sep 27, 2026	1,001-5,000	4,423 contacts →
	Indirect evidence “Robert Walters is the world’s most trusted talent solutions business.” Source: RevenueBase Database · checked Sep 27, 2026
16	Spherion	Partial evidence	Atlanta, GA, United StatesHQ checked Sep 27, 2026	10001+	4,263 contacts →
	Partial evidence “We’re Spherion-a staffing and recruiting pioneer that’s been driving careers and helping businesses grow for over 75 years.” Source: RevenueBase Database · checked Sep 27, 2026
17	Select Staffing	Partial evidence	Atlanta, GA, United StatesHQ checked Sep 27, 2026	10001+	3,934 contacts →
	Partial evidence “Select Staffing is a leading provider of temporary staffing and employment services in the U.S, with nationwide operations across multiple contingent staffing sectors.” Source: RevenueBase Database · checked Sep 27, 2026
18	Artech L.L.C	Strong evidence	Morristown, NJ, United StatesHQ checked Sep 27, 2026	5,001-10,000	3,674 contacts →
	Strong evidence “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…” Source: RevenueBase Database · checked Sep 27, 2026
19	Elwood Staffing Services, INC	Indirect evidence	Columbus, IN, United StatesHQ checked Sep 27, 2026	n/a	3,481 contacts →
	Indirect evidence “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…” Source: RevenueBase Database · checked Sep 27, 2026
20	Beacon Hill	Partial evidence	Boston, MA, United StatesHQ checked Sep 27, 2026	1,001-5,000	3,238 contacts →
	Partial evidence “Beacon Hill was founded to set a new standard in search, career placement and flexible staffing.” Source: RevenueBase Database · checked Sep 27, 2026
21	Randstad Enterprise	Indirect evidence	Amsterdam, NetherlandsHQ checked Sep 27, 2026	5,001-10,000	3,223 contacts →
	Indirect evidence “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…” Source: RevenueBase Database · checked Sep 27, 2026
22	Allegis Group	Indirect evidence	Hanover, MD, United StatesHQ checked Sep 27, 2026	10001+	3,103 contacts →
	Indirect evidence “As the global leader in talent solutions, we take pride in what we do, connecting great people to great opportunities, helping businesses win and careers soar.” Source: RevenueBase Database · checked Sep 27, 2026
23	Pyramid Consulting, INC	Indirect evidence	United StatesHQ checked Sep 27, 2026	5,001-10,000	2,891 contacts →
	Indirect evidence “Pyramid Consulting, a global leader in workforce and technology solutions, empowers individuals and organizations to transform and thrive in the most challenging and competitive…” Source: RevenueBase Database · checked Sep 27, 2026
24	Dexian	Strong evidence	Mclean, VA, United StatesHQ checked Sep 27, 2026	1,001-5,000	2,852 contacts →
	Strong evidence “Dexian is a leading provider of staffing, IT, and workforce solutions with nearly employees and 70 locations worldwide.” Source: RevenueBase Database · checked Sep 27, 2026
25	Computer Futures	Indirect evidence	London, United KingdomHQ checked Sep 27, 2026	501-1,000	2,673 contacts →
	Indirect evidence “Building tomorrow’s tech landscape together Computer Futures is a Technology specialist, part of SThree, the global STEM workforce consultancy.” Source: RevenueBase Database · checked Sep 27, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: IT staffing services. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names IT staffing services.
Partial evidence: Its own public description names part of IT staffing services, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name IT staffing services. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 26,275 IT staffing services worldwide

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IT staffing services worldwide at a glance

As of Sep 27, 2026

16.3%Verified-email coverage

20.3%Mobile-number coverage

32.6Average contacts per company

11-50Median size (employees)

4.9%Largest-city concentration · London

Sep 27, 2026Page data refreshed

Companies by employee count

1-10

11,621

11-50

7,906

51-200

4,308

201-500

1,335

501-1,000

515

1,001-5,000

366

5,001-10,000

10001+

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 IT staffing services, 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.
Coverage: 5 countries, largest first: the United States, the United Kingdom, the Netherlands, Canada, Germany. Country and city lists for IT staffing services are linked below.
What qualifies: Companies worldwide whose own description of what they do matches “IT staffing services”. 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 IT staffing services), 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 IT staffing services, and records with no verified work email.
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, 139,580 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 27, 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.

IT staffing services by location

140 lists · largest first

Every IT staffing services 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 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 IT staffing services, 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 IT staffing services are there worldwide?

RevenueBase identified 26,275 IT staffing services worldwide 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?

KELLY, headquartered in Troy, tops this list with the largest team on record.

Which country has the most IT staffing services?

The United States leads with 17,026 companies, followed by the United Kingdom (3,935) and the Netherlands (1,926). Every IT staffing services list by country and city is linked on this page.

Which city has the most IT staffing services?

London leads with 1280 headquartered companies, followed by New York (690) and Toronto (483).

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 139,580 verified decision-maker contacts tracked across these 26,275 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 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 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.