Company lists · Data refreshed November 2026

Top 25 Project based staffing firms worldwide

Name: Project based staffing firms worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 5, 2026 19,182 companies tracked

RevenueBase identified 19,182 company matches for project based staffing firms worldwide as of November 2026 and tracks 730,151 professional contacts across them, including 86,521 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for project based staffing firms 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 5, 2026. Country and city lists for project based staffing firms 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 5, 2026 How this list was built

19,182Companies

730,151Contacts tracked

86,521Verified emails

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The 25 largest project based staffing firms worldwide

Ranked by team size

Top 25 of 19,182 company matches for project based staffing firms worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 5, 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 5, 2026	10001+	157,655 contacts →
	Exact match “Perfect placements.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
2	Manpowergroup	Exact match	Milwaukee, United StatesHQ recorded Nov 5, 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 5, 2026 · View company records in RevenueBase
3	Manpower	Exact match	Milwaukee, WI, United StatesHQ recorded Nov 5, 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 5, 2026 · View company records in RevenueBase
4	Express Employment International	Exact match	Oklahoma City, OK, United StatesHQ recorded Nov 5, 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 5, 2026 · View company records in RevenueBase
5	Randstad USA	Exact match	Atlanta, GA, United StatesHQ recorded Nov 5, 2026	1,001-5,000	9,496 contacts →
	Exact match “Randstad North America, Inc.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
6	Appleone Employment Services	Exact match	Glendale, AZ, United StatesHQ recorded Nov 5, 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 5, 2026 · View company records in RevenueBase
7	Tradesmen International	Exact match	Macedonia, OH, United StatesHQ recorded Nov 5, 2026	10001+	5,254 contacts →
	Exact match “Founded in 1992, Tradesmen International is North America’s premier resource for proven skilled craftsmen and labor consulting services.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8	Spherion	Exact match	Atlanta, GA, United StatesHQ recorded Nov 5, 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 5, 2026 · View company records in RevenueBase
9	Select Staffing	Exact match	Atlanta, GA, United StatesHQ recorded Nov 5, 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 5, 2026 · View company records in RevenueBase
10	Artech L.L.C	Exact match	Morristown, CA, United StatesHQ recorded Nov 5, 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 5, 2026 · View company records in RevenueBase
11	Manpower France	Exact match	Puteaux, FranceHQ recorded Nov 5, 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 5, 2026 · View company records in RevenueBase
12	Elwood Staffing Services, INC	Exact match	Columbus, ND, United StatesHQ recorded Nov 5, 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 5, 2026 · View company records in RevenueBase
13	Dexian	Exact match	Mclean, United StatesHQ recorded Nov 5, 2026	1,001-5,000	3,130 contacts →
	Exact match “Dexian is a leading provider of staffing, IT, and workforce solutions with nearly employees and 70 locations worldwide.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14	Staff Management SMX	Exact match	Chicago, IL, United StatesHQ recorded Nov 5, 2026	501-1,000	2,945 contacts →
	Exact match “Founded in 1988, Staff Management is a recognized leader of comprehensive workforce solutions that deliver best talent, drive compliance, yield tangible savings and build…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15	Oxford Global Resources	Exact match	Beverly, OH, United StatesHQ recorded Nov 5, 2026	501-1,000	2,734 contacts →
	Exact match “Oxford Global Resources is a global professional services and consulting partner trusted by leading industry organizations to solve complex challenges and deliver outcomes at…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
16	Samsic Emploi	Exact match	Rennes, FranceHQ recorded Nov 5, 2026	5,001-10,000	2,670 contacts →
	Exact match “Samsic Emploi a été classée meilleure enseigne de travail temporaire par Capital, pour la 4ème année consécutive.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17	Trueblue INC	Exact match	Tacoma, WA, United StatesHQ recorded Nov 5, 2026	1,001-5,000	2,366 contacts →
	Exact match “TrueBlue (NYSE: TBI) is a leading provider of specialized workforce solutions.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
18	Rose International	Exact match	Chesterfield, MO, United StatesHQ recorded Nov 5, 2026	5,001-10,000	2,270 contacts →
	Exact match “Rose International is a leading provider of Staffing and Total Talent Solutions to corporations and government agencies, employing thousands of people across the U.S, Canada and…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19	RAS Intérim	Exact match	Lyon, FranceHQ recorded Nov 5, 2026	501-1,000	2,239 contacts →
	Exact match “Créée en 1969, R.A.S Intérim est depuis 1994 une entreprise unique en France puisqu’elle offre une prestation de service disponible 7 J/ 7, 24 H/ 24 et sans interruption.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20	CSI Companies	Exact match	Jacksonville, TN, United StatesHQ recorded Nov 5, 2026	n/a	2,237 contacts →
	Exact match “Headquartered in Jacksonville, FL, CSI Companies partners with organizations nationwide to deliver solutions-focused workforce services.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21	Mindlance	Exact match	Union, TX, United StatesHQ recorded Nov 5, 2026	1,001-5,000	2,209 contacts →
	Exact match “Mindlance is a global Talent, Teams, Projects, and Workforce Solutions partner, serving leading enterprises across industries since With a strong footprint across multiple…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22	Start People	Exact match	Almere, NetherlandsHQ recorded Nov 5, 2026	1,001-5,000	2,207 contacts →
	Exact match “Al meer dan vijfendertig jaar verbindt Start People mens en werk.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
23	Remedy Intelligent Staffing	Exact match	Atlanta, GA, United StatesHQ recorded Nov 5, 2026	10001+	2,182 contacts →
	Exact match “Remedy Intelligent Staffing is a nationwide professional staffing organization with more than 50 years of recruiting and selection expertise to match job candidates with positions…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
24	Staffline Recruitment Limited	Exact match	Nottingham, United KingdomHQ recorded Nov 5, 2026	501-1,000	2,107 contacts →
	Exact match “At Staffline, we make recruitment simple, strategic and effective.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
25	Addison Group	Exact match	Chicago, CA, United StatesHQ recorded Nov 5, 2026	1,001-5,000	2,031 contacts →
	Exact match “Addison Group provides comprehensive talent solutions and consulting services across diverse practice areas, including Finance & Accounting, Non-Clinical Healthcare, Information…” Recorded in the RevenueBase company graph · Nov 5, 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 “project based staffing firms”. 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 19,182 project based staffing firms worldwide

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Project based staffing firms worldwide at a glance

As of Nov 5, 2026

11.8%Verified-email coverage

38.1Average contacts per company

11-50Median size (employees)

1.4%Largest-city concentration · London

Nov 5, 2026Page data refreshed

Companies by employee count

1-10

7,514

11-50

5,722

51-200

3,325

201-500

1,262

501-1,000

540

1,001-5,000

480

5,001-10,000

10001+

117

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 project based staffing firms are linked below.
What qualifies: Company records worldwide whose business descriptions match “project based staffing 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. 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 86,521 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 5, 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.

Project based staffing firms by location

114 lists · largest first

Every Project based staffing firms 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 “project based staffing firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many project based staffing firms are there worldwide?

RevenueBase identified 19,182 company matches for project based staffing firms 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 project based staffing firms?

The United States leads with 6,685 companies, followed by India (1,845) and the Netherlands (1,187). Every project based staffing firms list by country and city is linked on this page.

Which city has the most project based staffing firms?

London leads with 268 company records, followed by Hyderabad (217) and Houston (215).

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 86,521 professional contacts with verified work emails tracked across these 19,182 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 5, 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.