Company lists · Data refreshed September 2026

Top 25 Employee relations consulting firms based in the United States

RevenueBase identified 11,078 employee relations consulting firms headquartered in the United States as of September 2026 and 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. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 2, 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 RevenueBase Smart Search rating on every row Refreshed Sep 2, 2026 86% judged on-target in blind review
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 refreshed Sep 2, 2026. RevenueBase Smart Search rates how each company's information relates to employee relations 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.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceAtlanta, GA, United States1,001-5,0008,538 contacts →

Indirect evidence

“Randstad North America, Inc.”

Source: RevenueBase Database · checked Sep 2, 2026
2Indirect evidenceDublin, CA, United States1,001-5,0004,102 contacts →

Indirect evidence

“TriNet (NYSE: TNET) provides small and medium-size businesses (SMBs) with full-service HR solutions tailored by industry.”

Source: RevenueBase Database · checked Sep 2, 2026
3Partial evidenceChicago, IL, United States1,001-5,0003,363 contacts →

Partial evidence

“Heidrick & Struggles is the premier provider of executive search, corporate culture and leadership consulting services.”

Source: RevenueBase Database · checked Sep 2, 2026
4Partial evidenceGreenville, SC, United States1,001-5,0002,716 contacts →

Partial evidence

“Ogletree Deakins is one of the largest labor and employment law firms representing management in all types of employment-related legal matters.”

Source: RevenueBase Database · checked Sep 2, 2026
5Partial evidenceLouisville, KY, United States1,001-5,0002,318 contacts →

Partial evidence

“Focused on employment and labor law since 1958, Jackson Lewis P.C.’s attorneys located in major cities nationwide consistently identify and respond to new ways workplace law…”

Source: RevenueBase Database · checked Sep 2, 2026
6Indirect evidenceAtlanta, GA, United States10001+1,948 contacts →

Indirect evidence

“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…”

Source: RevenueBase Database · checked Sep 2, 2026
7Indirect evidenceBoston, MA, United States1,001-5,0001,259 contacts →

Indirect evidence

“Sequoia is the strategic partner helping investor-backed companies of all sizes achieve their business goals through smarter people spend.”

Source: RevenueBase Database · checked Sep 2, 2026
8Indirect evidenceArlington, VA, United States10001+1,164 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 2, 2026
9Strong evidenceNew York, NY, United States1,001-5,0001,148 contacts →

Strong evidence

“Segal is a leading employee-owned consulting firm with more than 1,100 professionals across North America, including 150+ credentialed actuaries.”

Source: RevenueBase Database · checked Sep 2, 2026
10Indirect evidenceNew York, NY, United States1,001-5,000682 contacts →

Indirect evidence

“Founded in 1990, Solomon Page is a leading staffing and executive search firm headquartered in New York City with offices across the United States.”

Source: RevenueBase Database · checked Sep 2, 2026
11Indirect evidenceSpartanburg, SC, United States1,001-5,000546 contacts →

Indirect evidence

“Industrial Staffing | Professional & Skilled Hourly Recruiting | HR Services | Retention Strategies | Outplacement | Greenfield Start Ups & Expansions | Talent Management At HTI…”

Source: RevenueBase Database · checked Sep 2, 2026
12Indirect evidenceColumbus, OH, United States1,001-5,000350 contacts →

Indirect evidence

“ICS, a Korn Ferry Company, is one of the nation’s leading staffing and recruiting companies specializing in connecting talented people to the businesses who need them.”

Source: RevenueBase Database · checked Sep 2, 2026
13Partial evidenceAnaheim, CA, United States1,001-5,000241 contacts →

Partial evidence

“Staff Boom specializes in customized staffing solutions and consulting for small and medium sized businesses to save money and resources, improve how they work and prevent…”

Source: RevenueBase Database · checked Sep 2, 2026
14Indirect evidenceNashville, TN, United States1,001-5,000234 contacts →

Indirect evidence

“It’s important to know who you’re partnering with.”

Source: RevenueBase Database · checked Sep 2, 2026
15Partial evidenceRound Rock, TX, United States1,001-5,000135 contacts →

Partial evidence

Employee Solutions is one of the largest human resources companies in Texas, Oklahoma, and Arkansas, and has earned regional and national recognition, including: Inc.”

Source: RevenueBase Database · checked Sep 2, 2026
16Indirect evidencePaterson, NJ, United States1,001-5,000114 contacts →

Indirect evidence

“Action Group Staffing provides recruiting, staffing and complete HR services: Light Industrial Manufacturing & Assembly, Construction & Skilled Trades, Warehouse & Distribution…”

Source: RevenueBase Database · checked Sep 2, 2026
17Partial evidenceChicago, IL, United States10001+110 contacts →

Partial evidence

“Patina is now part of Korn Ferry, a global organizational consulting firm that works with clients to design optimal organization structures, roles, and responsibilities.”

Source: RevenueBase Database · checked Sep 2, 2026
18Indirect evidencePortland, OR, United Statesn/a99 contacts →

Indirect evidence

“LOVE YOUR WORK AND LIFE.”

Source: RevenueBase Database · checked Sep 2, 2026
19Partial evidenceElk Grove, CA, United States1,001-5,00094 contacts →

Partial evidence

“Amerit Consulting is an extremely fast growing staffing and consulting firm.”

Source: RevenueBase Database · checked Sep 2, 2026
20Strong evidenceSan Francisco, CA, United States1,001-5,00071 contacts →

Strong evidence

“Segal Benz is the communications consulting practice within Segal, a leading employee-owned consulting firm with more than 1,100 professionals.”

Source: RevenueBase Database · checked Sep 2, 2026
21Indirect evidenceSan Ramon, CA, United States1,001-5,00042 contacts →

Indirect evidence

“With half of the workforce projected to be freelance by 2020, your organization is being forced to take a closer look at how to attract and retain contingent workers beyond the…”

Source: RevenueBase Database · checked Sep 2, 2026
22Partial evidenceWestmont, IL, United Statesn/a40 contacts →

Partial evidence

“Headquartered in Westmont, Illinois, Employco provides customized HR solutions to businesses.”

Source: RevenueBase Database · checked Sep 2, 2026
23Indirect evidenceMorris Plains, NJ, United States1,001-5,00029 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 2, 2026
24Partial evidencePalos Verdes, CA, United States1,001-5,00028 contacts →

Partial evidence

“An industry leader in Employee Benefits and Workforce Solutions for over 40 years, Maniaci Insurance Services provides clients with access to resources that include: Employee…”

Source: RevenueBase Database · checked Sep 2, 2026
25Indirect evidencePhiladelphia, PA, United States1,001-5,00026 contacts →

Indirect evidence

“Founded in 2008, PACER Inc.”

Source: RevenueBase Database · checked Sep 2, 2026

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 Sep 2, 2026
31.0%Verified-email coverage
37.5%Mobile-number coverage
12.2Average contacts per company
1-10Median size (employees)
4.2%Largest-city concentration · New York
Sep 2, 2026Page data refreshed

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

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 employee relations 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 “employee relations 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 employee relations 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 employee relations 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, 41,936 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 2, 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.

Employee relations consulting firms by metro

  • 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

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

RevenueBase identified 11,078 employee relations 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?

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 refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 2, 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.