Company lists · Data refreshed September 2026
Top 25 Trade association law firms based in Boston, United States
RevenueBase identified 72 trade association law firms headquartered in Boston, United States as of September 2026 and tracks 988 professional contacts across them, including 505 with verified work emails. Across the United States, Washington is the largest hub for this category (215 companies); Boston has 72.
This list covers trade association law firms headquartered in Boston, 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.
The 25 largest trade association law firms based in Boston, United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 83 contacts → | ||||
Indirect evidence “Recognized both nationally and internationally for delivering results on high stakes, complex litigation throughout the United States, Campbell Conroy & O’Neil, P.C.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 2 | 66 contacts → | ||||
Partial evidence “Ruberto, Israel & Weiner is a well established business law firm based in Boston, providing legal services to a diverse client base throughout the region, across the U.S.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 3 | 63 contacts → | ||||
Indirect evidence “We want to get to know you.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 4 | 53 contacts → | ||||
Indirect evidence “Smith Duggan Cornell & Gollub LLP provides effective, innovative and timely legal advice to businesses, organizations, individuals and public entities in New England and across…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 5 | 47 contacts → | ||||
Indirect evidence “At Pierce Davis & Perritano we embrace a simple philosophy - clients deserve more than just effort, they deserve results.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 6 | 46 contacts → | ||||
Partial evidence “Fitch Law Partners LLP is a litigation law firm distinguished by its preeminent lawyers and the successful results it has achieved for its sophisticated group of clients in…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 7 | 44 contacts → | ||||
Indirect evidence “For more than twenty-five years, Adler, Cohen, Harvey, Wakeman & Guekguezian has consistently delivered successful results defending our clients in civil litigation and licensing…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 8 | 39 contacts → | ||||
Partial evidence “Donovan Hatem LLP is a multi-practice law firm comprised of more than 35 litigation and general business attorneys serving a diverse clientele of public and private companies…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 9 | 36 contacts → | ||||
Partial evidence “HRW’s team of experienced attorneys helps employers remain in compliance with the law and avoid or resolve every manner of workplace dispute.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 10 | 36 contacts → | ||||
Partial evidence “Founded in 1957, Martin, Magnuson, McCarthy & Kenney is a mid-sized law firm with extensive civil litigation and appellate experience.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 11 | 30 contacts → | ||||
Indirect evidence “Since 1984, McKenzie & Associates, P.C.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 12 | 29 contacts → | ||||
Indirect evidence “Unraveling Complexity A business is a complex entity.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 13 | 25 contacts → | ||||
Partial evidence “Block & Leviton LLP is a boutique law firm focused on complex litigation nationwide.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 14 | 25 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 15 | 22 contacts → | ||||
Partial evidence “Based in Boston, Flynn Law Group is an award-winning team of attorneys specializing in housing law, condominium law and commercial property law.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 16 | 13 contacts → | ||||
Partial evidence “Smith, Costello & Crawford is a regulatory and legislative policy firm dedicated to helping our clients achieve success through consulting, lobbying, and law services.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 17 | 12 contacts → | ||||
Indirect evidence “National Reputation with Personal Service Meehan, Boyle, Black & Bogdanow has sought and earned a niche in the Massachusetts legal community, and the firm’s attorneys have a…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 18 | 11 contacts → | ||||
Indirect evidence “Founded in 1928, Dunn and Dunn has extensive experience representing healthcare providers prior to and during all stages of litigation.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 19 | 11 contacts → | ||||
Partial evidence “Hartley Michon Robb Hannon LLP concentrates in employment law, executive advocacy and litigation.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 20 | 11 contacts → | ||||
Indirect evidence “Since 2001, Charles Group Consulting (CGC) has provided its clients with unparalleled access to state government and guidance toward achieving successful outcomes for their…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 21 | 10 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 22 | 10 contacts → | ||||
Partial evidence “For over 100 years, Rubin and Rudman's attorneys have helped shape the laws of changing times.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 23 | 10 contacts → | ||||
Indirect evidence “Strang Scott is a dynamic business transaction and litigation firm, dedicated to serving the needs of business of all sizes.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 24 | 10 contacts → | ||||
Partial evidence “We are pleased to announce that, effective April 1, 2018, the attorneys, paralegals and support staff formerly with Governo Law Firm LLC have moved to Smith Duggan Buell & Rufo…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 25 | 9 contacts → | ||||
Partial evidence “Based in Boston with offices in Washington DC, Maine and California, Serlin Haley offers a full range of government relations services to businesses and trade organizations at the…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
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: trade association law 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 trade association law firms.
- Partial evidence
- Its own public description names part of trade association law firms, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name trade association law 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 72 trade association law firms based in Boston, United States
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Trade association law firms based in Boston, United States at a glance
As of Sep 29, 2026Companies by employee count
Email recency for this list is measured across the whole United States list rather than for Boston, so it is reported there. Company counts and contact totals on this page are exact for Boston, over 72 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 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.
- What qualifies
- Companies headquartered in Boston, United States 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. Companies headquartered outside Boston 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, 505 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 metro in the United States
- Trade association law firms in Washington215
- Trade association law firms in New York194
- Trade association law firms in Chicago129
- Trade association law firms in Houston120
- Trade association law firms in Los Angeles119
- Trade association law firms in Dallas99
- Trade association law firms in Atlanta97
- Trade association law firms in Austin76
- Trade association law firms in Miami64
- Trade association law firms in San Diego63
- Trade association law firms in San Francisco61
- Trade association law firms in Sacramento51
- Trade association law firms in Denver50
- Trade association law firms in Philadelphia49
- Trade association law firms in Phoenix49
- Trade association law firms in Tampa46
- Trade association law firms in Minneapolis45
- Trade association law firms in Seattle40
- Trade association law firms in Fort Lauderdale38
- Trade association law firms in Birmingham37
- Trade association law firms in Columbia36
- Trade association law firms in Irvine35
- Trade association law firms in Columbus34
- Trade association law firms in Portland34
- Trade association law firms in New Orleans30
- Trade association law firms in Coral Gables28
- Trade association law firms in Indianapolis28
- Trade association law firms in Oklahoma City28
- Trade association law firms in Raleigh28
- Trade association law firms in San Antonio28
- Trade association law firms in Las Vegas27
- Trade association law firms in Pittsburgh26
- Trade association law firms in Orlando25
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 based in Boston, United States?
RevenueBase identified 72 trade association law firms headquartered in Boston, 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?
Campbell Conroy & O'neil, P.C, headquartered in Boston, tops this list with the largest team on record.
Which city in the United States has the most trade association law firms?
Washington leads the United States with 215 headquartered companies, followed by New York (194) and Chicago (129). Boston has 72.
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 505 verified decision-maker contacts tracked across these 72 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 72 trade association law firms based in Boston, United States. Start with a free account, no credit card.
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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.
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