Company lists · Data refreshed September 2026

Top 25 Union labor law firms worldwide

Name: Union labor law firms worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 29, 2026 13,254 companies tracked

RevenueBase identified 13,254 company matches for union labor law firms worldwide as of September 2026 and tracks 144,609 professional contacts across them, including 67,381 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for union labor law firms worldwide, 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 29, 2026. Country and city lists for union labor law firms follow the table.

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 29, 2026 How this list was built

13,254Companies

144,609Contacts tracked

67,381Verified emails

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The 25 largest union labor law firms worldwide

Ranked by team size

Top 25 of 13,254 company matches for union labor law firms worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 29, 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	Gordon Rees Scully Mansukhani, LLP	Exact match	San Francisco, CA, United StatesHQ recorded Sep 29, 2026	1,001-5,000	2,846 contacts →
	Exact match “As the only full-service law firm with offices and attorneys in all 50 states, Gordon Rees Scully Mansukhani delivers maximum value to our clients by combining the resources of a…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
2	Ogletree Deakins	Exact match	Atlanta, GA, United StatesHQ recorded Sep 29, 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 29, 2026 · View company records in RevenueBase
3	Littler	Exact match	San Francisco, CA, United StatesHQ recorded Sep 29, 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 29, 2026 · View company records in RevenueBase
4	Jackson Lewis P.C	Exact match	New York, United StatesHQ recorded Sep 29, 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 29, 2026 · View company records in RevenueBase
5	Nelson Mullins Riley & Scarborough	Exact match	Columbia, SC, United StatesHQ recorded Sep 29, 2026	1,001-5,000	2,012 contacts →
	Exact match “Established in 1897, Nelson Mullins is an Am Law 100 firm of more than attorneys, policy advisors and professionals with 33 offices in 17 states and Washington, D.C.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
6	Fisher Phillips	Exact match	Atlanta, GA, United StatesHQ recorded Sep 29, 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 29, 2026 · View company records in RevenueBase
7	Maurice Blackburn Lawyers	Exact match	Melbourne, AustraliaHQ recorded Sep 29, 2026	1,001-5,000	1,099 contacts →
	Exact match “Maurice Blackburn Lawyers is Australia’s leading plaintiff and social justice law firm.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
8	Quintairos, Prieto, Wood & Boyer, P.A	Exact match	Miami, FL, United StatesHQ recorded Sep 29, 2026	1,001-5,000	1,068 contacts →
	Exact match “Over the past 25 years, QPWB is one of the fastest-growing law firms in the US.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
9	Kutak Rock	Exact match	United StatesHQ recorded Sep 29, 2026	501-1,000	985 contacts →
	Exact match “We are a U.S.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
10	Goldberg Segalla	Exact match	Buffalo, NY, United StatesHQ recorded Sep 29, 2026	1,001-5,000	958 contacts →
	Exact match “Goldberg Segalla is a national civil litigation firm with a diverse team of 500+ attorneys in 23 offices in major metropolitan markets across the United States, providing…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
11	Phelps Dunbar LLP	Exact match	New Orleans, LA, United StatesHQ recorded Sep 29, 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 29, 2026 · View company records in RevenueBase
12	Burr & Forman	Exact match	Birmingham, AL, United StatesHQ recorded Sep 29, 2026	201-500	823 contacts →
	Exact match “For more than a century, Burr & Forman LLP’s experienced legal team has served clients at the intersection of business and government with local, national, and international…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
13	Hall Booth Smith, P.C	Exact match	Atlanta, GA, United StatesHQ recorded Sep 29, 2026	501-1,000	815 contacts →
	Exact match “Established in 1989, Hall Booth Smith, P.C.(HBS) is a full-service law firm with 33 offices across the United States.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
14	Chalfin, Goldberg & Vainboim Advogados	Exact match	Rio De Janeiro, BrazilHQ recorded Sep 29, 2026	501-1,000	799 contacts →
	Exact match “Through hard work and dedication over the past 15 years, Chalfin, Goldberg & Vainboim Advogados (“CGV“) has achieved a leading position among the biggest and best Brazilian law…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
15	Fordharrison LLP	Exact match	Atlanta, GA, United StatesHQ recorded Sep 29, 2026	201-500	746 contacts →
	Exact match “FordHarrison LLP - your partner in employment law.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
16	Epstein Becker Green	Exact match	New York, NY, United StatesHQ recorded Sep 29, 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 29, 2026 · View company records in RevenueBase
17	Thompsons Solicitors	Exact match	Great Russell Street, United KingdomHQ recorded Sep 29, 2026	501-1,000	668 contacts →
	Exact match “Thompsons Solicitors is the UK's most experienced personal injury and employment rights law firm, our commitment to social justice is at the heart of our practice.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
18	Wicker Smith	Exact match	Miami, FL, United StatesHQ recorded Sep 29, 2026	501-1,000	625 contacts →
	Exact match “Idus Q.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
19	Advocacia	Exact match	Florianopolis, BrazilHQ recorded Sep 29, 2026	n/a	613 contacts →
	Exact match “Advocacia is a law practice company based out of Av Rio Branco, 441, Florianopolis, Sc, Brazil.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
20	Parker POE Adams & Bernstein LLP	Exact match	Charlotte, NC, United StatesHQ recorded Sep 29, 2026	501-1,000	584 contacts →
	Exact match “Businesses and local governments turn to Parker Poe to structure transactions, navigate regulations, and resolve disputes.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
21	FFA Ferrareze E Freitas	Exact match	São Paulo, BrazilHQ recorded Sep 29, 2026	201-500	564 contacts →
	Exact match “SOBRE O FFA O início das atividades remonta ao ano de 1982, na cidade de Passo Fundo, Planalto Médio do Rio Grande do Sul.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
22	Amundsen Davis, LLC	Exact match	Chicago, IL, United StatesHQ recorded Sep 29, 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 29, 2026 · View company records in RevenueBase
23	Bowman And Brooke	Exact match	Minneapolis, MN, United StatesHQ recorded Sep 29, 2026	501-1,000	537 contacts →
	Exact match “Bowman and Brooke LLP is a nationally recognized trial firm with one of the largest product liability practices in the country.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
24	STBB	Exact match	Cape Town, South AfricaHQ recorded Sep 29, 2026	501-1,000	531 contacts →
	Exact match “STBB is one of the largest law firms in South Africa and offers a wide range of legal services from its 13 offices.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
25	Allen Matkins	Exact match	Los Angeles, CA, United StatesHQ recorded Sep 29, 2026	201-500	527 contacts →
	Exact match “Allen Matkins, a law firm with over 285 attorneys, was founded with deep roots in real estate and has leveraged that foundation to grow and build prominent litigation, corporate…” Recorded in the RevenueBase company graph · Sep 29, 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 “union labor 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 13,254 union labor law firms worldwide

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Union labor law firms worldwide at a glance

As of Sep 29, 2026

46.6%Verified-email coverage

10.9Average contacts per company

1-10Median size (employees)

3.7%Largest-city concentration · Sao Paulo

Sep 29, 2026Page data refreshed

Companies by employee count

1-10

9,030

11-50

3,380

51-200

613

201-500

104

501-1,000

1,001-5,000

5,001-10,000

10001+

Email recency is reported on each country list linked below.

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.
Coverage: Every country. Country and city lists for union labor law firms are linked below.
What qualifies: Company records worldwide whose business descriptions match “union labor 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. 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 67,381 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 29, 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.

Union labor law firms by location

78 lists · largest first

Every Union labor law firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

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 “union labor law firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many union labor law firms are there worldwide?

RevenueBase identified 13,254 company matches for union labor law firms worldwide 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?

Gordon Rees Scully Mansukhani, LLP tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most union labor law firms?

The United States leads with 5,854 companies, followed by Brazil (2,377) and France (448). Every union labor law firms list by country and city is linked on this page.

Which city has the most union labor law firms?

Sao Paulo leads with 489 company records, followed by New York (318) and Los Angeles (264).

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 67,381 professional contacts with verified work emails tracked across these 13,254 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 29, 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.