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Company lists · Data verified August 2026

Top 25 Employee relations consulting firms based in the United States

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 11,078 companies tracked

There are 11,078 employee relations consulting firms headquartered in the United States (RevenueBase, August 2026). RevenueBase tracks 135,278 professional contacts across them, including 41,936 with verified work emails and 50,708 with mobile numbers. New York is the largest hub.

This list covers employee relations 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. Data current as of August 28, 2026.

11,078Companies
135,278Contacts tracked
41,936Verified emails
50,708Mobile numbers
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The 25 largest employee relations consulting firms based in the United States

Ranked by team size
Top 25 of 11,078 employee relations consulting firms based in the United States, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#CompanyHQEmployeesContactsVerified emails
1Randstad USAAtlanta, GA1,001-5,0008,5381,383
2TrinetDublin, CA1,001-5,0004,1021,755
3Heidrick & StrugglesChicago, IL1,001-5,0003,3631,552
4Ogletree DeakinsGreenville, SC1,001-5,0002,7161,697
5Jackson Lewis P.CLouisville, KY1,001-5,0002,3181,428
6Remedy Intelligent StaffingAtlanta, GA10001+1,94849
7SequoiaBoston, MA1,001-5,0001,259779
8Ceb, NOW GartnerArlington, VA10001+1,16456
9SEGALNew York, NY1,001-5,0001,148660
10Solomon PageNew York, NY1,001-5,000682277
11HTISpartanburg, SC1,001-5,00054693
12Ics, A Korn Ferry CompanyColumbus, OH1,001-5,00035012
13Staff BoomAnaheim, CA1,001-5,00024191
14NextsourceNashville, TN1,001-5,00023456
15Employee SolutionsRound Rock, TX1,001-5,0001359
16Action Group StaffingPaterson, NJ1,001-5,00011415
17PatinaChicago, IL10001+1108
18TWO DegreesPortland, ORn/a9968
19Amerit ConsultingElk Grove, CA1,001-5,0009423
20Segal BenzSan Francisco, CA1,001-5,0007147
21TechworkersSan Ramon, CA1,001-5,000423
22Employco Usa, INCWestmont, ILn/a401
23Kaynes Technology INCMorris Plains, NJ1,001-5,000291
24Maniaci Insurance ServicesPalos Verdes, CA1,001-5,0002822
25Pacer Staffing LLCPhiladelphia, PA1,001-5,000268

Showing 25 of 11,078 employee relations consulting firms based in the United States

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Employee relations consulting firms based in the United States at a glance

As of Aug 28, 2026
1-10Median size (employees)
New YorkLargest hub · 467 HQs
50,708Contacts with mobile numbers
0Emails re-verified in last 30 days

Companies by employee count

1-10
8,368
11-50
1,965
51-200
465
201-500
117
501-1,000
44
1,001-5,000
67
10001+
17

Employee relations consulting firms by metro

MetroCompanies
Employee relations consulting firms in New York467
Employee relations consulting firms in Atlanta304
Employee relations consulting firms in Los Angeles244
Employee relations consulting firms in Chicago241
Employee relations consulting firms in Houston230
Employee relations consulting firms in Washington170
Employee relations consulting firms in Dallas170

How this list was built

Source
The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion
Companies whose own business descriptions match “employee relations consulting firms”, with match quality audited by blind human judging, and headquartered in the United States.
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
Contact records re-verify on a rolling cadence; 0 contacts on this list were re-verified in the last 30 days.
Refresh
Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

How many employee relations consulting firms are there based in the United States?

There are 11,078 employee relations consulting firms headquartered in the United States as of August 2026 (RevenueBase).

What is the largest company on this list?

Randstad USA, headquartered in Atlanta, tops this list with the largest team on record.

Which city has the most employee relations consulting firms?

New York leads with 467 headquartered companies, followed by Atlanta (304) and Los Angeles (244).

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 41,936 verified decision-maker contacts tracked across these 11,078 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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Related lists

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 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, the same data that powers RevenueBase's B2B data products and the free research portal.

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