Company lists · Data refreshed September 2026

Top 25 Global workforce consulting firms based in the United States

Name: Global workforce consulting firms based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 30, 2026 12,567 companies tracked

RevenueBase identified 12,567 global workforce consulting firms headquartered in the United States as of September 2026 and tracks 444,969 professional contacts across them, including 127,216 with verified work emails and 116,874 with mobile numbers. New York is the largest hub.

This list covers global workforce consulting firms headquartered in the United States, 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 30, 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 30, 2026 86% judged on-target in blind review

12,567Companies

444,969Contacts tracked

127,216Verified emails

116,874Mobile numbers

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The 25 largest global workforce consulting firms based in the United States

Ranked by team size

Top 25 of 12,567 global workforce consulting firms based in the United States, ranked by team size, largest first. Data refreshed Sep 30, 2026. RevenueBase Smart Search rates how each company's information relates to global workforce consulting 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.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	ADP	Indirect evidence	Roseland, NJ, United StatesHQ checked Sep 30, 2026	10001+	84,166 contacts →
	Indirect evidence “Designing better ways to work through cutting-edge products, premium services and exceptional experiences that enable people to reach their full potential.” Source: RevenueBase Database · checked Sep 30, 2026
2	Manpowergroup	Strong evidence	Milwaukee, WI, United StatesHQ checked Sep 30, 2026	10001+	27,063 contacts →
	Strong evidence “ManpowerGroup® (NYSE: MAN), the leading global workforce solutions company, helps organizations transform in a fast-changing world of work by sourcing, assessing, developing and…” Source: RevenueBase Database · checked Sep 30, 2026
3	Bain & Company	Partial evidence	Boston, MA, United StatesHQ checked Sep 30, 2026	10001+	21,689 contacts →
	Partial evidence “Bain & Company is a global consultancy that helps the world’s most ambitious change makers define the future.” Source: RevenueBase Database · checked Sep 30, 2026
4	Insight Global	Strong evidence	Atlanta, GA, United StatesHQ checked Sep 30, 2026	n/a	15,553 contacts →
	Strong evidence “Insight Global is an international talent and consulting company that delivers business outcomes in an ever-changing world.” Source: RevenueBase Database · checked Sep 30, 2026
5	Korn Ferry	Strong evidence	Los Angeles, CA, United StatesHQ checked Sep 30, 2026	10001+	13,486 contacts →
	Strong evidence “Korn Ferry is a global consulting firm that powers performance.” Source: RevenueBase Database · checked Sep 30, 2026
6	LHH	Indirect evidence	Jacksonville, FL, United StatesHQ checked Sep 30, 2026	10001+	12,889 contacts →
	Indirect evidence “At LHH, we believe work should be meaningful, fulfilling, and connected.” Source: RevenueBase Database · checked Sep 30, 2026
7	Express Employment International	Indirect evidence	Oklahoma City, OK, United StatesHQ checked Sep 30, 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 30, 2026
8	Protiviti	Strong evidence	Menlo Park, CA, United StatesHQ checked Sep 30, 2026	5,001-10,000	8,779 contacts →
	Strong evidence “Protiviti is a global consulting firm that delivers deep expertise, objective insights, a tailored approach and unparalleled collaboration to help leaders confidently face the…” Source: RevenueBase Database · checked Sep 30, 2026
9	Randstad USA	Indirect evidence	Atlanta, GA, United StatesHQ checked Sep 30, 2026	1,001-5,000	8,522 contacts →
	Indirect evidence “Randstad North America, Inc.” Source: RevenueBase Database · checked Sep 30, 2026
10	Lancesoft, INC	Strong evidence	Herndon, VA, United StatesHQ checked Sep 30, 2026	5,001-10,000	4,877 contacts →
	Strong 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 30, 2026
11	VOLT	Strong evidence	Atlanta, GA, United StatesHQ checked Sep 30, 2026	1,001-5,000	4,831 contacts →
	Strong evidence “Volt (an Innova Solutions affiliate) is a multi-award winning global workforce solutions provider that propels businesses and careers forward with expert momentum.” Source: RevenueBase Database · checked Sep 30, 2026
12	Insperity	Indirect evidence	Kingwood, TX, United StatesHQ checked Sep 30, 2026	1,001-5,000	4,761 contacts →
	Indirect evidence “Since 1986, Insperity’s mission has been to help businesses succeed so communities prosper.” Source: RevenueBase Database · checked Sep 30, 2026
13	RGP	Partial evidence	Dallas, TX, United StatesHQ checked Sep 30, 2026	1,001-5,000	3,650 contacts →
	Partial evidence “RGP (Nasdaq: RGP) is an award-winning global professional services firm with three decades of experience helping the world’s top organizations navigate change and seize…” Source: RevenueBase Database · checked Sep 30, 2026
14	Magnit Global	Strong evidence	Folsom, CA, United StatesHQ checked Sep 30, 2026	10001+	3,586 contacts →
	Strong evidence “Magnit™ (formerly PRO Unlimited) is a global leader and pioneer in contingent workforce management.” Source: RevenueBase Database · checked Sep 30, 2026
15	Elwood Staffing Services, INC	Indirect evidence	Columbus, IN, United StatesHQ checked Sep 30, 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 30, 2026
16	Heidrick & Struggles	Partial evidence	Chicago, IL, United StatesHQ checked Sep 30, 2026	1,001-5,000	3,376 contacts →
	Partial evidence “Heidrick & Struggles is the premier provider of executive search, corporate culture and leadership consulting services.” Source: RevenueBase Database · checked Sep 30, 2026
17	ETEAM	Partial evidence	Somerset, NJ, United StatesHQ checked Sep 30, 2026	n/a	3,285 contacts →
	Partial evidence “For over 25 years, eTeam has been trusted by global organizations to lead high-stakes programs where execution matters as much as strategy.” Source: RevenueBase Database · checked Sep 30, 2026
18	Allegis Group	Partial evidence	Hanover, MD, United StatesHQ checked Sep 30, 2026	10001+	3,103 contacts →
	Partial 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 30, 2026
19	Pyramid Consulting, INC	Strong evidence	United StatesHQ checked Sep 30, 2026	5,001-10,000	2,891 contacts →
	Strong 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 30, 2026
20	Allegis Global Solutions	Partial evidence	Hanover, MD, United StatesHQ checked Sep 30, 2026	1,001-5,000	2,866 contacts →
	Partial evidence “At Allegis Global Solutions (AGS), we’re in the human enterprise business.” Source: RevenueBase Database · checked Sep 30, 2026
21	Staff Management SMX	Partial evidence	Chicago, IL, United StatesHQ checked Sep 30, 2026	501-1,000	2,680 contacts →
	Partial evidence “Founded in 1988, Staff Management is a recognized leader of comprehensive workforce solutions that deliver best talent, drive compliance, yield tangible savings and build…” Source: RevenueBase Database · checked Sep 30, 2026
22	Oxford Global Resources	Partial evidence	Beverly, MA, United StatesHQ checked Sep 30, 2026	501-1,000	2,564 contacts →
	Partial evidence “Oxford Global Resources delivers tailored solutions for any technical challenges you are facing using our partnership-first approach.” Source: RevenueBase Database · checked Sep 30, 2026
23	CAI	Partial evidence	Allentown, PA, United StatesHQ checked Sep 30, 2026	5,001-10,000	2,519 contacts →
	Partial evidence “CAI is a global services firm with over associates worldwide and a yearly revenue of $1.3 billion+.” Source: RevenueBase Database · checked Sep 30, 2026
24	Aston Carter	Partial evidence	Hanover, MD, United StatesHQ checked Sep 30, 2026	1,001-5,000	2,437 contacts →
	Partial evidence “Aston Carter provides world-class corporate talent solutions to thousands of clients across the globe.” Source: RevenueBase Database · checked Sep 30, 2026
25	Right Management	Partial evidence	Milwaukee, WI, United StatesHQ checked Sep 30, 2026	1,001-5,000	2,326 contacts →
	Partial evidence “Right Management is our global talent management offering for outplacement, career management and leader development solutions.” Source: RevenueBase Database · checked Sep 30, 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: global workforce consulting firms. 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 global workforce consulting firms.
Partial evidence: Its own public description names part of global workforce consulting firms, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name global workforce consulting firms. 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 12,567 global workforce consulting firms based in the United States

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Global workforce consulting firms based in the United States at a glance

As of Sep 30, 2026

28.6%Verified-email coverage

26.3%Mobile-number coverage

35.4Average contacts per company

1-10Median size (employees)

4.8%Largest-city concentration · New York

Sep 30, 2026Page data refreshed

Companies by employee count

1-10

8,823

11-50

2,373

51-200

813

201-500

258

501-1,000

102

1,001-5,000

139

5,001-10,000

10001+

Freshness & accuracy

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

Email last verified

Median 32.0d

37,2570–30

84,07131–60

4,24461–90

12790–180

1,517180+

Company record updated

Median 93.0d

00–30

68,23731–60

132,01761–90

214,53790–180

30,178180+

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 global workforce consulting 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 States whose own description of what they do matches “global workforce consulting 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 global workforce consulting 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 global workforce consulting firms, and records with no verified work email. Companies headquartered outside United States 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, 127,216 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 30, 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.

Global workforce consulting firms by metro

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 global workforce consulting 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 global workforce consulting firms are there based in the United States?

RevenueBase identified 12,567 global workforce consulting firms headquartered in the United States 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?

ADP, headquartered in Roseland, tops this list with the largest team on record.

Which city has the most global workforce consulting firms?

New York leads with 601 headquartered companies, followed by Atlanta (351) and Chicago (300).

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 127,216 verified decision-maker contacts tracked across these 12,567 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 30, 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.