Company lists · Data refreshed September 2026

Top 25 HR compliance consulting firms based in the United States

RevenueBase identified 9,000 HR compliance consulting firms headquartered in the United States as of September 2026 and tracks 89,415 professional contacts across them, including 27,268 with verified work emails and 33,430 with mobile numbers. New York is the largest hub.

This list covers HR compliance 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, how directly it supports the match, and when it was last checked. Data refreshed September 3, 2026.

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 HQ checked on every row Match evidence on every row Refreshed Sep 3, 2026 86% judged on-target in blind review
9,000Companies
89,415Contacts tracked
27,268Verified emails
33,430Mobile numbers
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The 25 largest HR compliance consulting firms based in the United States

Ranked by team size
Top 25 of 9,000 HR compliance consulting firms based in the United States, ranked by team size, largest first. Data refreshed Sep 3, 2026. Evidence rates how directly each company's own description names HR compliance consulting firms: strong (names it), partial (names part of it), indirect (matched on its full profile rather than the summary shown). Click a count to unlock that company's people.
#CompanyHeadquartersEmployeesContacts
1
Randstad USAIndirect evidence
Atlanta, GA, United StatesHQ checked Sep 3, 20261,001-5,0008,538

“Randstad North America, Inc.”

Source: company website · checked Sep 3, 2026
2
InsperityIndirect evidence
Kingwood, TX, United StatesHQ checked Sep 3, 20261,001-5,0004,818

“Since 1986, Insperity’s mission has been to help businesses succeed so communities prosper.”

Source: company website · checked Sep 3, 2026
3
TrinetPartial evidence
Dublin, CA, United StatesHQ checked Sep 3, 20261,001-5,0004,102

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

Source: company website · checked Sep 3, 2026
4
Heidrick & StrugglesPartial evidence
Chicago, IL, United StatesHQ checked Sep 3, 20261,001-5,0003,363

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

Source: company website · checked Sep 3, 2026
5
SEGALPartial evidence
New York, NY, United StatesHQ checked Sep 3, 20261,001-5,0001,148

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

Source: company website · checked Sep 3, 2026
6
CT CorporationPartial evidence
New York, NY, United StatesHQ checked Sep 3, 20261,001-5,000788

“CT Corporation helps small businesses, corporations, and law firms around the world manage their most critical business and legal compliance responsibilities.”

Source: company website · checked Sep 3, 2026
7
EmbarkPartial evidence
Dallas, UT, United StatesHQ checked Sep 3, 2026501-1,000641

“Embark is shaking up the consulting industry with a radical belief: Happy is good for business.”

Source: company website · checked Sep 3, 2026
8
HTIPartial evidence
Greenville, SC, United StatesHQ checked Sep 3, 20261,001-5,000546

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

Source: company website · checked Sep 3, 2026
9
Vipany Global INCPartial evidence
San Ramon, CA, United StatesHQ checked Sep 3, 2026501-1,000470

“Vipany Global Inc (Formerly Vipany Management Consulting Pvt Ltd) is born out of insatiable quest to cater to the assorted organizational requirements by mapping the talent pool…”

Source: company website · checked Sep 3, 2026
10
Salo, A Korn Ferry CompanyIndirect evidence
Minneapolis, CO, United StatesHQ checked Sep 3, 2026501-1,000417

“Salo is now part of Korn Ferry.”

Source: company website · checked Sep 3, 2026
11
Ics, A Korn Ferry CompanyIndirect evidence
New York, OH, United StatesHQ checked Sep 3, 20261,001-5,000350

“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: company website · checked Sep 3, 2026
12
Staff BoomPartial evidence
Anaheim, CA, United StatesHQ checked Sep 3, 20261,001-5,000241

“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: company website · checked Sep 3, 2026
13
Deploy Hr, INCIndirect evidence
Pleasanton, CA, United StatesHQ checked Sep 3, 20261,001-5,000184
Source: company website · checked Sep 3, 2026
14
Employee SolutionsIndirect evidence
Frisco, TX, United StatesHQ checked Sep 3, 20261,001-5,000135

“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: company website · checked Sep 3, 2026
15
Lajoy GroupIndirect evidence
Plymouth, MI, United StatesHQ checked Sep 3, 2026501-1,000134

“LaJoy Group is a progressive and energetic company.”

Source: company website · checked Sep 3, 2026
16
Advanced GroupIndirect evidence
Chicago, IL, United StatesHQ checked Sep 3, 2026501-1,000124

“Advanced Group provides expertise in talent acquisition and management, outsourcing, and professional services.”

Source: company website · checked Sep 3, 2026
17
Evins Group, LLCIndirect evidence
Austin, TX, United StatesHQ checked Sep 3, 20261,001-5,000114

“We Find Great Talent for Great Companies!”

Source: company website · checked Sep 3, 2026
18
Alcott HRPartial evidence
Farmingdale, NY, United StatesHQ checked Sep 3, 20265,001-10,000102

“At Alcott HR, we have a Passion for People and Performance™.”

Source: company website · checked Sep 3, 2026
19
DVG Tech Solutions LLCPartial evidence
Plainsboro, NJ, United StatesHQ checked Sep 3, 2026501-1,00083

“DVG is a high skilled talented Human Capital Consulting Organization with individual practices in Talent Acquisition.”

Source: company website · checked Sep 3, 2026
20Houston, TX, United StatesHQ checked Sep 3, 2026501-1,00080

“Taylor Smith Consulting is a leading technical, service, and staff resource provider.”

Source: company website · checked Sep 3, 2026
21
Congruity HRIndirect evidence
Winston-salem, FL, United StatesHQ checked Sep 3, 20265,001-10,00074

“Welcome to Congruity, where we understand that your people are your most valuable asset.”

Source: company website · checked Sep 3, 2026
22Farmers Branch, TX, United StatesHQ checked Sep 3, 20261,001-5,00060

“Affirmity provides a robust portfolio of software, consulting services, and digital learning solutions that help global enterprise and mid-market companies foster a positive…”

Source: company website · checked Sep 3, 2026
23
Conduent HR ServicesPartial evidence
Florham Park, NJ, United StatesHQ checked Sep 3, 2026n/a50

“Conduent HR Services offers advisory, technology and administration solutions to help you effectively manage your HR programs while engaging your employees in their health, wealth…”

Source: company website · checked Sep 3, 2026
24
Summit TechnologyPartial evidence
Athens, AL, United StatesHQ checked Sep 3, 2026501-1,00046

“Emtec, Inc, a leading IT consulting firm, announces the acquisition of Summit Technology, effective November 30, 2015.”

Source: company website · checked Sep 3, 2026
25
TechworkersIndirect evidence
San Ramon, CA, United StatesHQ checked Sep 3, 20261,001-5,00042

“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: company website · checked Sep 3, 2026

Showing 25 of 9,000 HR compliance consulting firms based in the United States

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HR compliance consulting firms based in the United States at a glance

As of Sep 3, 2026
1-10Median size (employees)
New YorkLargest hub · 364 HQs
33,430Contacts with mobile numbers
Sep 3, 2026Data refreshed

Companies by employee count

1-10
7,008
11-50
1,428
51-200
361
201-500
99
501-1,000
31
1,001-5,000
41
5,001-10,000
10

Verified emails by last verification

0–30
0
31–60
2,246
61–90
15,585
90–180
9,182
180+
255

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 HR compliance consulting firms, so some rows will be adjacent to the category rather than pure plays. The description and evidence 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 SmartSearch, 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 “HR compliance consulting firms”. Matching reads each company's description, not its industry code or its name.
What we exclude
Companies whose own description does not clearly place them among HR compliance 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 an evidence 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, 27,268 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 3, 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.

HR compliance consulting firms by metro

  • HR compliance consulting firms in New York364
  • HR compliance consulting firms in Atlanta257
  • HR compliance consulting firms in Chicago195
  • HR compliance consulting firms in Houston174
  • HR compliance consulting firms in Los Angeles172
  • HR compliance consulting firms in Dallas152
  • HR compliance consulting firms in Miami116

Frequently asked

How many HR compliance consulting firms are there based in the United States?

RevenueBase identified 9,000 HR compliance 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 HR compliance consulting firms?

New York leads with 364 headquartered companies, followed by Atlanta (257) and Chicago (195).

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 27,268 verified decision-maker contacts tracked across these 9,000 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 3, 2026.

Ready to reach these companies? Verified emails and direct dials for all 9,000 HR compliance consulting firms based in the United States. Start with a free account, no credit card.

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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.