Company lists · Data refreshed September 2026

Top 25 Labor law consulting firms based in the United States

Name: Labor law 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 28, 2026 3,300 companies tracked

RevenueBase identified 3,300 labor law consulting firms headquartered in the United States as of September 2026 and tracks 39,905 professional contacts across them, including 21,777 with verified work emails. New York is the largest hub.

This list covers labor law 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 28, 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 28, 2026 86% judged on-target in blind review

3,300Companies

39,905Contacts tracked

21,777Verified emails

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The 25 largest labor law consulting firms based in the United States

Ranked by team size

Top 25 of 3,300 labor law consulting firms based in the United States, ranked by team size, largest first. Data refreshed Sep 28, 2026. RevenueBase Smart Search rates how each company's information relates to labor law 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	Ogletree Deakins	Strong evidence	Atlanta, GA, United StatesHQ checked Sep 28, 2026	1,001-5,000	2,708 contacts →
	Strong 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 28, 2026
2	Littler	Strong evidence	San Francisco, CA, United StatesHQ checked Sep 28, 2026	1,001-5,000	2,555 contacts →
	Strong evidence “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…” Source: RevenueBase Database · checked Sep 28, 2026
3	Jackson Lewis P.C	Strong evidence	New York, United StatesHQ checked Sep 28, 2026	1,001-5,000	2,285 contacts →
	Strong 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 28, 2026
4	Fisher Phillips	Indirect evidence	Atlanta, GA, United StatesHQ checked Sep 28, 2026	501-1,000	1,471 contacts →
	Indirect evidence “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.” Source: RevenueBase Database · checked Sep 28, 2026
5	Phelps Dunbar LLP	Indirect evidence	New Orleans, LA, United StatesHQ checked Sep 28, 2026	501-1,000	824 contacts →
	Indirect evidence “As an AmLaw 200 firm, Phelps provides strategic legal counsel to businesses across the South, with 17 offices in the U.S.” Source: RevenueBase Database · checked Sep 28, 2026
6	Fordharrison LLP	Partial evidence	Atlanta, GA, United StatesHQ checked Sep 28, 2026	201-500	746 contacts →
	Partial evidence “FordHarrison LLP - your partner in employment law.” Source: RevenueBase Database · checked Sep 28, 2026
7	Epstein Becker Green	Strong evidence	New York, NY, United StatesHQ checked Sep 28, 2026	501-1,000	701 contacts →
	Strong evidence “Clients turn to Epstein Becker Green for strategic counsel in employment and labor law, health care and life sciences, and complex litigation.” Source: RevenueBase Database · checked Sep 28, 2026
8	Amundsen Davis, LLC	Partial evidence	Chicago, IL, United StatesHQ checked Sep 28, 2026	201-500	542 contacts →
	Partial evidence “Amundsen Davis is a law firm comprised of over 250 attorneys headquartered in Chicago.” Source: RevenueBase Database · checked Sep 28, 2026
9	Constangy	Indirect evidence	Atlanta, GA, United StatesHQ checked Sep 28, 2026	201-500	429 contacts →
	Indirect evidence “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…” Source: RevenueBase Database · checked Sep 28, 2026
10	Atkinson, Andelson, Loya, Ruud & Romo	Partial evidence	Cerritos, CA, United StatesHQ checked Sep 28, 2026	201-500	418 contacts →
	Partial evidence “Atkinson, Andelson, Loya, Ruud & Romo is a full-service law firm with over 300 attorneys in ten offices throughout California.” Source: RevenueBase Database · checked Sep 28, 2026
11	Kaufman Dolowich LLP	Strong evidence	Woodbury, NY, United StatesHQ checked Sep 28, 2026	201-500	387 contacts →
	Strong evidence “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…” Source: RevenueBase Database · checked Sep 28, 2026
12	Jackson Kelly Pllc	Partial evidence	Charleston, WV, United StatesHQ checked Sep 28, 2026	201-500	330 contacts →
	Partial evidence “Jackson Kelly PLLC is a national law firm representing leading global corporations, national companies, entrepreneurs and individuals in areas of law such as environmental…” Source: RevenueBase Database · checked Sep 28, 2026
13	Miller Johnson	Indirect evidence	Grand Rapids, MI, United StatesHQ checked Sep 28, 2026	201-500	321 contacts →
	Indirect evidence “Miller Johnson was founded in 1959 and is committed to excellence in service to our business, institutional and individual clients.” Source: RevenueBase Database · checked Sep 28, 2026
14	Saxton & Stump	Strong evidence	Lancaster, PA, United StatesHQ checked Sep 28, 2026	201-500	262 contacts →
	Strong evidence “Saxton & Stump is a full-service law firm serving businesses by providing legal and consulting services.” Source: RevenueBase Database · checked Sep 28, 2026
15	Mayer LLP	Indirect evidence	Dallas, TX, United StatesHQ checked Sep 28, 2026	201-500	244 contacts →
	Indirect evidence “We love business.” Source: RevenueBase Database · checked Sep 28, 2026
16	Waller	Indirect evidence	Nashville, TN, United StatesHQ checked Sep 28, 2026	201-500	239 contacts →
	Indirect evidence “Since being responsive to client needs is no longer enough, Waller believes that helping clients achieve their objectives requires more.” Source: RevenueBase Database · checked Sep 28, 2026
17	Resolution Economics	Indirect evidence	Los Angeles, CA, United StatesHQ checked Sep 28, 2026	201-500	232 contacts →
	Indirect evidence “Founded in 1998, Resolution Economics provides sophisticated economic, statistical, and financial analyses, forensic investigations, forensic technology, dispute advisory, expert…” Source: RevenueBase Database · checked Sep 28, 2026
18	Spilman Thomas & Battle, Pllc	Partial evidence	Charleston, WV, United StatesHQ checked Sep 28, 2026	201-500	210 contacts →
	Partial evidence “Spilman Thomas & Battle, PLLC is a full-service law firm with a rich history dating back to its origins with "Lincoln's land lawyer." Today, we have more than 140 attorneys and…” Source: RevenueBase Database · checked Sep 28, 2026
19	Michael Sullivan & Associates LLP	Strong evidence	El Segundo, CA, United StatesHQ checked Sep 28, 2026	201-500	202 contacts →
	Strong evidence “Michael Sullivan & Associates LLP is a premiere defense law firm, specializing in workers' compensation, employment law, general liability, DWC/OSIP audit consulting and defense…” Source: RevenueBase Database · checked Sep 28, 2026
20	Babst Calland	Indirect evidence	Pittsburgh, PA, United StatesHQ checked Sep 28, 2026	51-200	192 contacts →
	Indirect evidence “As a collaborative and integrated group of attorneys, we work as a unified team, not as sole practitioners.” Source: RevenueBase Database · checked Sep 28, 2026
21	Foulston Siefkin LLP	Partial evidence	Wichita, KS, United StatesHQ checked Sep 28, 2026	51-200	191 contacts →
	Partial evidence “As the largest law firm based in Kansas, with offices in Topeka, Kansas City, and Wichita, Foulston Siefkin LLP provides legal services to a broad range of clients, from large…” Source: RevenueBase Database · checked Sep 28, 2026
22	Liebert Cassidy Whitmore	Indirect evidence	Los Angeles, CA, United StatesHQ checked Sep 28, 2026	51-200	188 contacts →
	Indirect evidence “Liebert Cassidy Whitmore serves as trusted advisors to public agencies, educational institutions, and nonprofits across California.” Source: RevenueBase Database · checked Sep 28, 2026
23	Smith Currie Oles LLP	Indirect evidence	Atlanta, GA, United StatesHQ checked Sep 28, 2026	51-200	184 contacts →
	Indirect evidence “Smith Currie Oles (SCO) provides comprehensive legal services to all parts of the construction industry.” Source: RevenueBase Database · checked Sep 28, 2026
24	Larkin Hoffman	Indirect evidence	Minneapolis, MN, United StatesHQ checked Sep 28, 2026	51-200	182 contacts →
	Indirect evidence “Larkin Hoffman provides counsel to a wide variety of ‎organizations, from ‎small ‎businesses and nonprofits to Fortune 500 companies, in ‎many areas of practice ‎including…” Source: RevenueBase Database · checked Sep 28, 2026
25	Mullen & Filippi, LLP	Partial evidence	Sacramento, CA, United StatesHQ checked Sep 28, 2026	51-200	160 contacts →
	Partial evidence “Founded in 1949, the firm of Mullen & Filippi has become known throughout California as the leader in Workers' Compensation defense law.” Source: RevenueBase Database · checked Sep 28, 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: labor law 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 labor law consulting firms.
Partial evidence: Its own public description names part of labor law consulting firms, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name labor law 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 3,300 labor law consulting firms based in the United States

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Labor law consulting firms based in the United States at a glance

As of Sep 28, 2026

54.6%Verified-email coverage

12.1Average contacts per company

1-10Median size (employees)

5.9%Largest-city concentration · New York

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

2,450

11-50

651

51-200

151

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 3,300 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 labor law 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 “labor law 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 labor law 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 labor law 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, 21,777 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 28, 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.

Labor law 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 labor law 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 labor law consulting firms are there based in the United States?

RevenueBase identified 3,300 labor law 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?

Ogletree Deakins, headquartered in Atlanta, tops this list with the largest team on record.

Which city has the most labor law consulting firms?

New York leads with 195 headquartered companies, followed by Los Angeles (183) and Chicago (83).

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 21,777 verified decision-maker contacts tracked across these 3,300 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 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 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.