Company lists · Data refreshed September 2026

Top 25 Workplace compliance consulting firms based in the United States

Name: Workplace compliance 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 29, 2026 3,487 companies tracked

RevenueBase identified 3,487 workplace compliance consulting firms headquartered in the United States as of September 2026 and tracks 25,630 professional contacts across them, including 10,341 with verified work emails. New York is the largest hub.

This list covers workplace 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, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 29, 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 29, 2026 86% judged on-target in blind review

3,487Companies

25,630Contacts tracked

10,341Verified emails

Explore this list → Free signup · no credit card · 500 free credits

The 25 largest workplace compliance consulting firms based in the United States

Ranked by team size

Top 25 of 3,487 workplace compliance consulting firms based in the United States, ranked by team size, largest first. Data refreshed Sep 29, 2026. RevenueBase Smart Search rates how each company's information relates to workplace compliance 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	Jackson Lewis P.C	Partial evidence	New York, United StatesHQ checked Sep 29, 2026	1,001-5,000	2,285 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 29, 2026
2	NAVEX	Indirect evidence	Lake Oswego, OR, United StatesHQ checked Sep 29, 2026	1,001-5,000	1,457 contacts →
	Indirect evidence “NAVEX empowers over 88 million employees and customers around the world to manage and mitigate risks with confidence.” Source: RevenueBase Database · checked Sep 29, 2026
3	CT Corporation	Partial evidence	New York, NY, United StatesHQ checked Sep 29, 2026	1,001-5,000	788 contacts →
	Partial evidence “CT Corporation helps small businesses, corporations, and law firms around the world manage their most critical business and legal compliance responsibilities.” Source: RevenueBase Database · checked Sep 29, 2026
4	Fordharrison LLP	Indirect evidence	Atlanta, GA, United StatesHQ checked Sep 29, 2026	201-500	746 contacts →
	Indirect evidence “FordHarrison LLP - your partner in employment law.” Source: RevenueBase Database · checked Sep 29, 2026
5	GSA National	Partial evidence	Fairfax, VA, United StatesHQ checked Sep 29, 2026	201-500	558 contacts →
	Partial evidence “GSA National has been helping government contractors ensure compliance and streamline costs since 1991.” Source: RevenueBase Database · checked Sep 29, 2026
6	KPA	Partial evidence	Westminster, CO, United StatesHQ checked Sep 29, 2026	201-500	530 contacts →
	Partial evidence “KPA is a leading provider of Safety Management and Workforce Compliance software and services for a wide range of businesses.” Source: RevenueBase Database · checked Sep 29, 2026
7	Propelus	Partial evidence	Jacksonville, FL, United StatesHQ checked Sep 29, 2026	201-500	218 contacts →
	Partial evidence “We bring together essential data, innovative technology, and strategic partnerships to streamline workforce compliance management.” Source: RevenueBase Database · checked Sep 29, 2026
8	Complyright, INC	Indirect evidence	Pompano Beach, FL, United StatesHQ checked Sep 29, 2026	201-500	190 contacts →
	Indirect evidence “At ComplyRight®, our mission is to empower employers by simplifying the complex world of employment law.” Source: RevenueBase Database · checked Sep 29, 2026
9	Traliant	Strong evidence	New York, NY, United StatesHQ checked Sep 29, 2026	51-200	164 contacts →
	Strong evidence “Traliant, a leader in compliance training, is on a mission to make workplaces better, for everyone.” Source: RevenueBase Database · checked Sep 29, 2026
10	Trendsource, INC	Partial evidence	San Diego, CA, United StatesHQ checked Sep 29, 2026	11-50	141 contacts →
	Partial evidence “TrendSource helps businesses document and measure compliance across employment, consumer reporting, government, finance, health care, and retail.” Source: RevenueBase Database · checked Sep 29, 2026
11	Outsolve	Partial evidence	Metairie, LA, United StatesHQ checked Sep 29, 2026	51-200	116 contacts →
	Partial evidence “Founded in 1998, OutSolve has evolved into a premier compliance-driven HR advisory firm, leveraging deep expertise to simplify complex regulatory landscapes for businesses of all…” Source: RevenueBase Database · checked Sep 29, 2026
12	Ethico	Partial evidence	Charlotte, NC, United StatesHQ checked Sep 29, 2026	51-200	115 contacts →
	Partial evidence “Empowering the Ethics & Compliance and HR industries for more than 25 years, Ethico provides a suite of solutions that help companies manage risk and reinforce healthy cultures.” Source: RevenueBase Database · checked Sep 29, 2026
13	Sandalwood Engineering & Ergonomics	Partial evidence	Livonia, MI, United StatesHQ checked Sep 29, 2026	51-200	107 contacts →
	Partial evidence “Sandalwood is an engineering and ergonomics consulting firm.” Source: RevenueBase Database · checked Sep 29, 2026
14	Alcott HR	Indirect evidence	Farmingdale, NY, United StatesHQ checked Sep 29, 2026	5,001-10,000	102 contacts →
	Indirect evidence “At Alcott HR, we have a Passion for People and Performance™.” Source: RevenueBase Database · checked Sep 29, 2026
15	Personnel Concepts	Partial evidence	Ontario, CA, United StatesHQ checked Sep 29, 2026	51-200	102 contacts →
	Partial evidence “For over 30 years, Personnel Concepts has been the leading industry authority in federal and state labor law poster compliance products.” Source: RevenueBase Database · checked Sep 29, 2026
16	Chambers Group, INC	Partial evidence	Costa Mesa, CA, United StatesHQ checked Sep 29, 2026	51-200	98 contacts →
	Partial evidence “Public agencies and businesses have been relying on Chambers Group to keep them in compliance with applicable federal, state, and/or local environmental laws, regulations, and…” Source: RevenueBase Database · checked Sep 29, 2026
17	Employers Group	Indirect evidence	El Segundo, CA, United StatesHQ checked Sep 29, 2026	51-200	98 contacts →
	Indirect evidence “Employers Group is YOUR Human Resources Expert, Advocate, and Advisor.” Source: RevenueBase Database · checked Sep 29, 2026
18	TNG Consulting	Partial evidence	King Of Prussia, PA, United StatesHQ checked Sep 29, 2026	11-50	95 contacts →
	Partial evidence “TNG Consulting is the nation’s leader in educating and training others about critical safety and risk management issues.” Source: RevenueBase Database · checked Sep 29, 2026
19	DCI Consulting	Strong evidence	Washington, DC, United StatesHQ checked Sep 29, 2026	51-200	93 contacts →
	Strong evidence “DCI is a human resources analytics and compliance consulting firm dedicated to helping our clients with their organizational challenges while also mitigating their risk.” Source: RevenueBase Database · checked Sep 29, 2026
20	Berkshire	Indirect evidence	Columbia, MD, United StatesHQ checked Sep 29, 2026	51-200	93 contacts →
	Indirect evidence “Berkshire, a division of Resolution Economics, is a human resources and technology firm specializing in non-discrimination, pay equity, and workforce data analytics.” Source: RevenueBase Database · checked Sep 29, 2026
21	Archbright	Indirect evidence	Seattle, WA, United StatesHQ checked Sep 29, 2026	51-200	93 contacts →
	Indirect evidence “Archbright™ is the go-to resource for employers offering expert HR, safety, and legal support.” Source: RevenueBase Database · checked Sep 29, 2026
22	TFC Consulting, INC	Partial evidence	Rockville, MD, United StatesHQ checked Sep 29, 2026	51-200	93 contacts →
	Partial evidence “TFC Consulting, Inc is a licensed CPA and consulting firm in the Washington DC metro area.” Source: RevenueBase Database · checked Sep 29, 2026
23	Yorke Engineering, LLC	Indirect evidence	San Juan Capistrano, CA, United StatesHQ checked Sep 29, 2026	51-200	92 contacts →
	Indirect evidence “Yorke Engineering, LLC (Yorke) was founded in 1996 and specializes in air quality, waste, storm water and industrial hygiene/safety services.” Source: RevenueBase Database · checked Sep 29, 2026
24	Diversified Safety Services, LLC	Partial evidence	Rosedale, MD, United StatesHQ checked Sep 29, 2026	51-200	88 contacts →
	Partial evidence “Diversified Safety Services is a third-party safety consulting firm.” Source: RevenueBase Database · checked Sep 29, 2026
25	Total Safety Consulting, LLC	Partial evidence	Bayonne, NJ, United StatesHQ checked Sep 29, 2026	501-1,000	83 contacts →
	Partial evidence “Total Safety Consulting (TSC) understands the intense planning needed to ensure the safety of your workers and the public-and the cost of not doing it right.” Source: RevenueBase Database · checked Sep 29, 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: workplace compliance 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 workplace compliance consulting firms.
Partial evidence: Its own public description names part of workplace compliance consulting firms, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name workplace compliance 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 3,487 workplace compliance consulting firms based in the United States

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 10,341 reachable decision-makers.

Free signup · no credit card

View the full list →

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

As of Sep 29, 2026

40.3%Verified-email coverage

7.4Average contacts per company

1-10Median size (employees)

3.4%Largest-city concentration · New York

Sep 29, 2026Page data refreshed

Companies by employee count

1-10

2,703

11-50

624

51-200

111

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 3,487 companies.

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 workplace compliance 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 “workplace compliance 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 workplace compliance 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 workplace 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 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, 10,341 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 29, 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.

Workplace compliance 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 workplace compliance 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 workplace compliance consulting firms are there based in the United States?

RevenueBase identified 3,487 workplace 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?

Jackson Lewis P.C, headquartered in New York, tops this list with the largest team on record.

Which city has the most workplace compliance consulting firms?

New York leads with 117 headquartered companies, followed by Houston (79) and Atlanta (70).

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 10,341 verified decision-maker contacts tracked across these 3,487 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 29, 2026.

Ready to reach these companies? Verified emails and direct dials for all 3,487 workplace compliance consulting firms based in the United States. Start with a free account, no credit card.

Download this list →

Related lists

Workplace compliance consulting firms by geography

Browse the directory

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.