Company lists · Data refreshed September 2026

Top 25 Trade association law firms worldwide

RevenueBase identified 13,023 trade association law firms worldwide as of September 2026 and tracks 177,657 professional contacts across them, including 81,454 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers trade association law firms worldwide, 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. Country and city lists for trade association law firms follow the table.

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
13,023Companies
177,657Contacts tracked
81,454Verified emails
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The 25 largest trade association law firms worldwide

Ranked by team size
Top 25 of 13,023 trade association law firms worldwide, ranked by team size, largest first. Data refreshed Sep 29, 2026. RevenueBase Smart Search rates how each company's information relates to trade association law 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.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Partial evidenceSan Francisco, CA, United StatesHQ checked Sep 29, 20261,001-5,0002,846 contacts →

Partial evidence

“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…”

Source: RevenueBase Database · checked Sep 29, 2026
2Indirect evidenceWashington, DC, United StatesHQ checked Sep 29, 20261,001-5,0002,333 contacts →

Indirect evidence

“Arnold & Porter combines sophisticated regulatory, litigation, and transactional capabilities to resolve clients’ most complex issues.”

Source: RevenueBase Database · checked Sep 29, 2026
3Partial evidencePhiladelphia, PA, United StatesHQ checked Sep 29, 20261,001-5,0002,041 contacts →

Partial evidence

“Dechert is the law firm that helps business leaders lead.”

Source: RevenueBase Database · checked Sep 29, 2026
4Partial evidenceColumbia, SC, United StatesHQ checked Sep 29, 20261,001-5,0002,012 contacts →

Partial evidence

“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.”

Source: RevenueBase Database · checked Sep 29, 2026
5Indirect evidenceCincinnati, OH, United StatesHQ checked Sep 29, 20261,001-5,0001,980 contacts →

Indirect evidence

“At Taft, we work as one team, driven and committed to helping you succeed.”

Source: RevenueBase Database · checked Sep 29, 2026
6Partial evidenceWashington, DC, United StatesHQ checked Sep 29, 20261,001-5,0001,790 contacts →

Partial evidence

“Committed to Your Success – As a law firm of more than 900 professionals, Venable delivers legal services globally in every area of regulatory compliance, government affairs…”

Source: RevenueBase Database · checked Sep 29, 2026
7Partial evidenceCincinnati, OH, United StatesHQ checked Sep 29, 20261,001-5,0001,720 contacts →

Partial evidence

“Dinsmore & Shohl LLP has a nationwide team of more than 750 attorneys who are trusted advisers to Fortune 500 companies, institutions, associations, governments, professional…”

Source: RevenueBase Database · checked Sep 29, 2026
8Partial evidencePhiladelphia, PA, United StatesHQ checked Sep 29, 20261,001-5,0001,682 contacts →

Partial evidence

“Ballard Spahr LLP, an Am Law 100 law firm with more than 750 lawyers in 19 U.S.”

Source: RevenueBase Database · checked Sep 29, 2026
9Partial evidenceSão Paulo, BrazilHQ checked Sep 29, 20261,001-5,0001,580 contacts →

Partial evidence

“TozziniFreire is one of the leading legal services organizations in Latin America, operating in all areas of Business Law and with a significant track record in serving national…”

Source: RevenueBase Database · checked Sep 29, 2026
10Indirect evidenceAtlanta, GA, United StatesHQ checked Sep 29, 2026501-1,0001,471 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 29, 2026
11Indirect evidenceDetroit, MI, United StatesHQ checked Sep 29, 20261,001-5,0001,343 contacts →

Indirect evidence

“At Clark Hill, our value proposition is simple.”

Source: RevenueBase Database · checked Sep 29, 2026
12Indirect evidenceMilwaukee, WI, United StatesHQ checked Sep 29, 20261,001-5,0001,318 contacts →

Indirect evidence

“For over 125 years, Quarles & Brady LLP has provided quality legal services to a wide range of industries on a national stage.”

Source: RevenueBase Database · checked Sep 29, 2026
13Partial evidencePhoenix, AZ, United StatesHQ checked Sep 29, 2026501-1,0001,219 contacts →

Partial evidence

“Founded in 1938, Snell & Wilmer is a full-service business law firm with more than 500 lawyers practicing in 17 locations throughout the United States and in Mexico.”

Source: RevenueBase Database · checked Sep 29, 2026
14Partial evidencePittsburgh, PA, United StatesHQ checked Sep 29, 2026501-1,0001,197 contacts →

Partial evidence

“Buchanan Ingersoll & Rooney is a national law firm with a proven reputation for providing progressive, industry-leading legal, business, regulatory and government relations advice…”

Source: RevenueBase Database · checked Sep 29, 2026
15Partial evidenceChicago, IL, United StatesHQ checked Sep 29, 2026501-1,0001,188 contacts →

Partial evidence

“Hinshaw & Culbertson LLP is a U.S-based law firm with offices nationwide.”

Source: RevenueBase Database · checked Sep 29, 2026
16Partial evidenceMiami, FL, United StatesHQ checked Sep 29, 20261,001-5,0001,068 contacts →

Partial evidence

“Over the past 25 years, QPWB is one of the fastest-growing law firms in the US.”

Source: RevenueBase Database · checked Sep 29, 2026
17Indirect evidenceDetroit, MI, United StatesHQ checked Sep 29, 2026501-1,0001,022 contacts →

Indirect evidence

“Dickinson Wright is a growing, full-service firm of experienced, creative, diverse and dedicated legal professionals.”

Source: RevenueBase Database · checked Sep 29, 2026
18Indirect evidenceUnited StatesHQ checked Sep 29, 2026501-1,000985 contacts →

Indirect evidence

“We are a U.S.”

Source: RevenueBase Database · checked Sep 29, 2026
19Partial evidenceHouston, TX, United StatesHQ checked Sep 29, 2026501-1,000933 contacts →

Partial evidence

“Bracewell LLP is a leading law and government relations firm.”

Source: RevenueBase Database · checked Sep 29, 2026
20Partial evidenceDenver, CO, United StatesHQ checked Sep 29, 2026501-1,000902 contacts →

Partial evidence

“For decades, we’ve positioned ourselves at the intersection of law, business and policy to bring a multidisciplinary strategy to every issue.”

Source: RevenueBase Database · checked Sep 29, 2026
21Partial evidenceMinneapolis, MN, United StatesHQ checked Sep 29, 2026501-1,000834 contacts →

Partial evidence

“At Fredrikson, we’ve built a reputation as the firm “where law and business meet” by bringing business acumen and entrepreneurial thinking to our work with clients, and by…”

Source: RevenueBase Database · checked Sep 29, 2026
22Partial evidenceAtlanta, GA, United StatesHQ checked Sep 29, 2026501-1,000815 contacts →

Partial evidence

“Established in 1989, Hall Booth Smith, P.C.(HBS) is a full-service law firm with 33 offices across the United States.”

Source: RevenueBase Database · checked Sep 29, 2026
23Indirect evidenceCampo Grande, United StatesHQ checked Sep 29, 2026501-1,000766 contacts →

Indirect evidence

“O escritório Ernesto Borges Advogados iniciou sua trajetória em 1951, na cidade de Cuiabá, Estado do Mato Grosso, com a aposentadoria do então presidente do Tribunal de Justiça, o…”

Source: RevenueBase Database · checked Sep 29, 2026
24Indirect evidenceU.S., United StatesHQ checked Sep 29, 2026501-1,000758 contacts →

Indirect evidence

“At Adams & Reese, we take things personally.”

Source: RevenueBase Database · checked Sep 29, 2026
25Partial evidenceAtlanta, GA, United StatesHQ checked Sep 29, 2026201-500746 contacts →

Partial evidence

“FordHarrison LLP - your partner in employment law.”

Source: RevenueBase Database · checked Sep 29, 2026

Showing 25 of 13,023 trade association law firms worldwide

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Trade association law firms worldwide at a glance

As of Sep 29, 2026
45.8%Verified-email coverage
13.6Average contacts per company
1-10Median size (employees)
2.8%Largest-city concentration · Sao Paulo
Sep 29, 2026Page data refreshed

Companies by employee count

1-10
8,527
11-50
3,590
51-200
648
201-500
121
501-1,000
44
1,001-5,000
29
10001+
4

Email recency is reported on each country list linked below.

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 trade association law 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.
Coverage
Every country. Country and city lists for trade association law firms are linked below.
What qualifies
Companies worldwide whose own description of what they do matches “trade association law 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 trade association law 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 trade association law firms, and records with no verified work email.
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, 81,454 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.

Trade association law firms by location

80 lists · largest first

Every Trade association 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 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 trade association law 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 trade association law firms are there worldwide?

RevenueBase identified 13,023 trade association law firms worldwide 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?

Gordon Rees Scully Mansukhani, LLP, headquartered in San Francisco, tops this list with the largest team on record.

Which country has the most trade association law firms?

The United States leads with 5,300 companies, followed by Brazil (1,828) and France (393). Every trade association law firms list by country and city is linked on this page.

Which city has the most trade association law firms?

Sao Paulo leads with 363 headquartered companies, followed by Washington (215) and New York (190).

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 81,454 verified decision-maker contacts tracked across these 13,023 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.

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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.