Company lists · Data refreshed September 2026

Top 25 HR compliance law firms based in the United States

Name: HR compliance law 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 28, 2026 4,170 companies tracked

RevenueBase identified 4,170 company matches for HR compliance law firms associated with the United States as of September 2026 and tracks 55,345 professional contacts across them, including 30,555 with verified work emails. New York is the largest hub.

This list covers company matches for HR compliance law firms associated with the United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 28, 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 RevenueBase SmartSearch · Exact Recorded Sep 28, 2026 How this list was built

4,170Companies

55,345Contacts tracked

30,555Verified emails

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The 25 largest HR compliance law firms based in the United States

Ranked by team size

Top 25 of 4,170 company matches for HR compliance law firms based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Ogletree Deakins	Exact match	Atlanta, GA, United StatesHQ recorded Sep 28, 2026	1,001-5,000	2,708 contacts →
	Exact match “Ogletree Deakins is one of the largest labor and employment law firms representing management in all types of employment-related legal matters.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2	Littler	Exact match	San Francisco, CA, United StatesHQ recorded Sep 28, 2026	1,001-5,000	2,555 contacts →
	Exact match “Littler is the largest global employment and labor law practice, representing management in all aspects of employment and labor law and serving as a single-source solution…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3	Alston & Bird	Exact match	Atlanta, GA, United StatesHQ recorded Sep 28, 2026	1,001-5,000	2,449 contacts →
	Exact match “At Alston & Bird, a leading international firm, our people trust the people they work for, take pride in what they do, enjoy the people they work with and serve the communities in…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4	Jackson Lewis P.C	Exact match	New York, United StatesHQ recorded Sep 28, 2026	1,001-5,000	2,285 contacts →
	Exact match “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…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5	Fisher Phillips	Exact match	Atlanta, GA, United StatesHQ recorded Sep 28, 2026	501-1,000	1,471 contacts →
	Exact match “With hundreds of attorneys across the globe, Fisher Phillips advises and advocates for employers internationally on some of the most complex and high-profile workplace matters.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6	Clark Hill LAW	Exact match	Detroit, MI, United StatesHQ recorded Sep 28, 2026	1,001-5,000	1,343 contacts →
	Exact match “At Clark Hill, our value proposition is simple.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7	Thompson Hine LLP	Exact match	Cleveland, OH, United StatesHQ recorded Sep 28, 2026	501-1,000	929 contacts →
	Exact match “Thompson Hine LLP, a full-service business law firm with over 400 lawyers in 11 offices, was ranked number 1 in the category "Most innovative North American law firms: New working…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8	Buchalter	Exact match	Los Angeles, CA, United StatesHQ recorded Sep 28, 2026	501-1,000	843 contacts →
	Exact match “Buchalter is a full-service business law firm with offices in Arizona, California, Colorado, Georgia, Illinois, Oregon, Tennessee, Utah, and Washington.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9	Phelps Dunbar LLP	Exact match	New Orleans, LA, United StatesHQ recorded Sep 28, 2026	501-1,000	824 contacts →
	Exact match “As an AmLaw 200 firm, Phelps provides strategic legal counsel to businesses across the South, with 17 offices in the U.S.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10	CT Corporation	Exact match	New York, NY, United StatesHQ recorded Sep 28, 2026	1,001-5,000	788 contacts →
	Exact match “CT Corporation helps small businesses, corporations, and law firms around the world manage their most critical business and legal compliance responsibilities.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11	Wood, Smith, Henning & Berman LLP	Exact match	Los Angeles, CA, United StatesHQ recorded Sep 28, 2026	501-1,000	781 contacts →
	Exact match “Wood, Smith, Henning & Berman offers world-class representation for clients ranging from individuals to Fortune 500 corporations, with an emphasis on small to middle market firms.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12	Fordharrison LLP	Exact match	Atlanta, GA, United StatesHQ recorded Sep 28, 2026	201-500	746 contacts →
	Exact match “FordHarrison LLP - your partner in employment law.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13	Epstein Becker Green	Exact match	New York, NY, United StatesHQ recorded Sep 28, 2026	501-1,000	701 contacts →
	Exact match “Clients turn to Epstein Becker Green for strategic counsel in employment and labor law, health care and life sciences, and complex litigation.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14	Kelley Drye & Warren LLP	Exact match	New York, NY, United StatesHQ recorded Sep 28, 2026	501-1,000	690 contacts →
	Exact match “Kelley Drye is an AmLaw 200 law firm of more than 350 lawyers and other professionals practicing in New York, NY; Washington, D.C; Chicago, IL; Houston, TX, Los Angeles, CA; San…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15	Amundsen Davis, LLC	Exact match	Chicago, IL, United StatesHQ recorded Sep 28, 2026	201-500	542 contacts →
	Exact match “Amundsen Davis is a law firm comprised of over 250 attorneys headquartered in Chicago.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16	Chartwell LAW	Exact match	King Of Prussia, PA, United StatesHQ recorded Sep 28, 2026	501-1,000	475 contacts →
	Exact match “Chartwell Law is nationally ranked as a fast-growing civil litigation firm with more than 300 attorneys across nearly 40 offices coast-to-coast.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17	Constangy	Exact match	Atlanta, GA, United StatesHQ recorded Sep 28, 2026	201-500	429 contacts →
	Exact match “Constangy, Brooks, Smith & Prophete has more than 250 attorneys across 21 states and the District of Columbia, offering services including the defense of single and…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18	HR Personnel Services	Exact match	Minnetonka, MN, United StatesHQ recorded Sep 28, 2026	n/a	402 contacts →
	Exact match “HR Personnel Services is a leading national staffing and executive search firm specializing exclusively in placing HR professionals.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19	Kaufman Dolowich LLP	Exact match	Woodbury, NY, United StatesHQ recorded Sep 28, 2026	201-500	387 contacts →
	Exact match “Kaufman Dolowich LLP is a leading national law firm representing clients across a wide range of industries in key practice areas, including labor and employment, directors and…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20	Post & Schell, P.C	Exact match	Philadelphia, PA, United StatesHQ recorded Sep 28, 2026	201-500	336 contacts →
	Exact match “For over 50 years, Post & Schell’s attorneys have combined the operational knowledge and insight into the industries they represent with creative legal solutions – and helped…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21	Jackson Kelly Pllc	Exact match	Charleston, WV, United StatesHQ recorded Sep 28, 2026	201-500	330 contacts →
	Exact match “Jackson Kelly PLLC is a national law firm representing leading global corporations, national companies, entrepreneurs and individuals in areas of law such as environmental…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22	Miller Johnson	Exact match	Grand Rapids, MI, United StatesHQ recorded Sep 28, 2026	201-500	321 contacts →
	Exact match “Miller Johnson was founded in 1959 and is committed to excellence in service to our business, institutional and individual clients.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23	Burns White LLC	Exact match	Pittsburgh, PA, United StatesHQ recorded Sep 28, 2026	201-500	310 contacts →
	Exact match “At Burns White LLC, we are committed to representing our clients with excellence.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24	Howard & Howard Attorneys Pllc	Exact match	Royal Oak, MI, United StatesHQ recorded Sep 28, 2026	201-500	307 contacts →
	Exact match “From our founding above a blacksmith shop in 1869 to the full-service law practice we’ve become in the 156 years since, we have consistently sought to earn each client’s trust by…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25	Cole Schotz P.C	Exact match	Hackensack, NJ, United StatesHQ recorded Sep 28, 2026	201-500	304 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “HR compliance law firms”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 4,170 HR compliance law firms based in the United States

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

As of Sep 28, 2026

55.2%Verified-email coverage

13.3Average contacts per company

1-10Median size (employees)

6.1%Largest-city concentration · New York

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

3,135

11-50

803

51-200

166

201-500

501-1,000

1,001-5,000

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 4,170 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

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: Company records associated with the United States whose business descriptions match “HR compliance law firms” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch: Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview: The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality: RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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 displayed company carries at least one verified work email. RevenueBase tracks 30,555 professional contacts with verified work emails across the full matched dataset. 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 28, 2026. Lists refresh periodically as the graph is re-checked.
Record context: Company records and descriptions can change. Check the company's website for its current services and locations.

HR compliance law firms by metro

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “HR compliance law firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

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

RevenueBase identified 4,170 company matches for HR compliance law firms associated with the United States as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Ogletree Deakins tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most HR compliance law firms?

New York leads with 254 company records, followed by Los Angeles (189) and Houston (90).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 30,555 professional contacts with verified work emails tracked across these 4,170 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 28, 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 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.