Company lists · Data refreshed September 2026

Top 25 Business law firms based in Boston, United States

RevenueBase identified 234 business law firms headquartered in Boston, United States as of September 2026 and tracks 13,495 professional contacts across them, including 8,269 with verified work emails. New York is the largest hub.

This list covers business 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 20, 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 20, 2026 86% judged on-target in blind review
234Companies
13,495Contacts tracked
8,269Verified emails
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The 25 largest business law firms based in Boston, United States

Ranked by team size
Top 25 of 234 business law firms based in Boston, United States, ranked by team size, largest first. Data refreshed Sep 20, 2026. RevenueBase Smart Search rates how each company's information relates to business 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
1Indirect evidenceBoston, MA, United StatesHQ checked Sep 20, 20265,001-10,0003,582 contacts →

Indirect evidence

“At Goodwin, we live your business.”

Source: RevenueBase Database · checked Sep 20, 2026
2Strong evidenceBoston, MA, United StatesHQ checked Sep 20, 20261,001-5,0001,326 contacts →

Strong evidence

“Mintz is a full-service law firm serving clients in the life sciences, energy, private equity, and technology industries.”

Source: RevenueBase Database · checked Sep 20, 2026
3Strong evidenceBoston, MA, United StatesHQ checked Sep 20, 2026501-1,000787 contacts →

Strong evidence

“Foley Hoag is an award-winning, mid-sized, international law firm that focuses on innovative industries and high-stakes litigation.”

Source: RevenueBase Database · checked Sep 20, 2026
4Indirect evidenceBoston, MA, United StatesHQ checked Sep 20, 20261,001-5,000575 contacts →

Indirect evidence

“Paul, Weiss, Rifkind, Wharton & Garrison LLP is a firm of about lawyers with diverse backgrounds, personalities, ideas and interests who provide innovative and effective solutions…”

Source: RevenueBase Database · checked Sep 20, 2026
5Strong evidenceBoston, MA, United StatesHQ checked Sep 20, 2026201-500572 contacts →

Strong evidence

“Choate, one of the nation’s premier law firms, is different from the vast majority of major firms in ways we believe materially benefit our clients.”

Source: RevenueBase Database · checked Sep 20, 2026
6Indirect evidenceBoston, MA, United StatesHQ checked Sep 20, 2026201-500514 contacts →

Indirect evidence

“MG+M is a national litigation firm with deep expertise in a wide range of practice areas.”

Source: RevenueBase Database · checked Sep 20, 2026
7Indirect evidenceBoston, MA, United StatesHQ checked Sep 20, 2026201-500496 contacts →

Indirect evidence

“Collaboration is not just a pillar of our strategy; it is the key to our competitive advantage and approach to clients, community, and each other.”

Source: RevenueBase Database · checked Sep 20, 2026
8Indirect evidenceBoston, MA, United StatesHQ checked Sep 20, 2026201-500398 contacts →

Indirect evidence

“For 75 years, Morrison Mahoney LLP has been committed to servicing its clients' needs and working with its clients to achieve desired goals and objectives.”

Source: RevenueBase Database · checked Sep 20, 2026
9Strong evidenceBoston, MA, United StatesHQ checked Sep 20, 2026201-500385 contacts →

Strong evidence

“Hinckley Allen is a full-service business law firm dedicated to delivering exceptional results for its clients.”

Source: RevenueBase Database · checked Sep 20, 2026
10Indirect evidenceBoston, MA, United StatesHQ checked Sep 20, 2026201-500364 contacts →

Indirect evidence

“Welcome to Nutter, where legal expertise meets unparalleled dedication.”

Source: RevenueBase Database · checked Sep 20, 2026
11Strong evidenceBoston, MA, United StatesHQ checked Sep 20, 2026201-500359 contacts →

Strong evidence

“As an international law firm with innovation in our DNA, we attract clients that are visionaries, trailblazers and game changers.”

Source: RevenueBase Database · checked Sep 20, 2026
12Indirect evidenceBoston, MA, United StatesHQ checked Sep 20, 2026201-500286 contacts →

Indirect evidence

“Decency, honesty, and judgment.”

Source: RevenueBase Database · checked Sep 20, 2026
13Strong evidenceBoston, MA, United StatesHQ checked Sep 20, 2026201-500254 contacts →

Strong evidence

“Burns & Levinson is a full-service, Boston-based law firm, with more than 125 attorneys in Massachusetts and Rhode Island.”

Source: RevenueBase Database · checked Sep 20, 2026
14Indirect evidenceBoston, MA, United StatesHQ checked Sep 20, 20261,001-5,000247 contacts →

Indirect evidence

“On October 1, 2011, Edwards Wildman Palmer LLP was formed as a result of a merger between Edwards Angell Palmer & Dodge LLP and Wildman, Harrold, Allen & Dixon LLP.”

Source: RevenueBase Database · checked Sep 20, 2026
15Strong evidenceBoston, MA, United StatesHQ checked Sep 20, 202651-200223 contacts →

Strong evidence

“Prince Lobel Tye LLP, one of Boston’s leading law firms, has a demonstrated record of delivering successful outcomes for our clients and helping them to achieve their business…”

Source: RevenueBase Database · checked Sep 20, 2026
16Indirect evidenceBoston, MA, United StatesHQ checked Sep 20, 202651-200140 contacts →

Indirect evidence

“Based in Boston, Hemenway & Barnes LLP has served for more than 160 years as trusted counsel to the region’s high net worth families, businesses, and nonprofit organizations.”

Source: RevenueBase Database · checked Sep 20, 2026
17Indirect evidenceBoston, MA, United StatesHQ checked Sep 20, 202651-200104 contacts →

Indirect evidence

“The Casner & Edwards Difference In today’s increasingly complex legal environment, companies, organizations and individuals look to Casner & Edwards for attorneys who provide both…”

Source: RevenueBase Database · checked Sep 20, 2026
18Indirect evidenceBoston, MA, United StatesHQ checked Sep 20, 202651-200100 contacts →

Indirect evidence

“For over 25 years, our dedicated attorneys have been setting the standard for exceptional representation in liability defense litigation.”

Source: RevenueBase Database · checked Sep 20, 2026
19Strong evidenceBoston, MA, United StatesHQ checked Sep 20, 202651-20093 contacts →

Strong evidence

“Clients throughout New England and beyond rely on Sherin and Lodgen’s experience and understanding in real estate, litigation, business law, and employment.”

Source: RevenueBase Database · checked Sep 20, 2026
20Indirect evidenceBoston, MA, United StatesHQ checked Sep 20, 202651-20090 contacts →

Indirect evidence

“Firm Overview At Peabody & Arnold, our attorneys handle complex and often highly sensitive matters, and have particular expertise in civil litigation and insurance services.”

Source: RevenueBase Database · checked Sep 20, 2026
21Indirect evidenceBoston, MA, United StatesHQ checked Sep 20, 202651-20083 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 20, 2026
22Strong evidenceBoston, MA, United StatesHQ checked Sep 20, 202651-20082 contacts →

Strong evidence

“Conn Kavanaugh is a Boston-based law firm representing individuals, families, and organizations, from Fortune 100 companies to closely held, family businesses and everything in…”

Source: RevenueBase Database · checked Sep 20, 2026
23Strong evidenceBoston, MA, United StatesHQ checked Sep 20, 202651-20078 contacts →

Strong evidence

“Anderson & Kreiger LLP is a vibrant, growing law firm committed to making the legal experience personal again.”

Source: RevenueBase Database · checked Sep 20, 2026
24Indirect evidenceBoston, MA, United StatesHQ checked Sep 20, 202651-20073 contacts →

Indirect evidence

“Since 1973, our full-service firm has identified opportunities, surmounted challenges, and optimized results for our clients at reasonable rates.”

Source: RevenueBase Database · checked Sep 20, 2026
25Strong evidenceBoston, MA, United StatesHQ checked Sep 20, 202651-20066 contacts →

Strong evidence

“Barton Gilman LLP is a highly regarded law firm with offices in Massachusetts, Rhode Island, Connecticut, New York, New Jersey and Pennsylvania.”

Source: RevenueBase Database · checked Sep 20, 2026

Showing 25 of 234 business law firms based in Boston, United States

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Business law firms based in Boston, United States at a glance

As of Sep 20, 2026
61.3%Verified-email coverage
57.7Average contacts per company
1-10Median size (employees)
522.2%Largest-city concentration · New York
Sep 20, 2026Page data refreshed

Companies by employee count

1-10
148
11-50
46
51-200
23
201-500
9
501-1,000
2
1,001-5,000
5
5,001-10,000
1

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 234 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 business 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 “business 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 business 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 business 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, 8,269 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 20, 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.

Business law firms by metro in the United States

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 business 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 business law firms are there based in Boston, United States?

RevenueBase identified 234 business 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?

Goodwin, headquartered in Boston, tops this list with the largest team on record.

Which city has the most business law firms?

New York leads with 1222 headquartered companies, followed by Chicago (563) and Los Angeles (533).

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 8,269 verified decision-maker contacts tracked across these 234 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 20, 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.