Company lists · Data refreshed September 2026

Top 25 Niche law firms based in Boston, United States

RevenueBase identified 93 company matches for niche law firms associated with Boston, United States as of September 2026 and tracks 9,649 professional contacts across them, including 6,387 with verified work emails. Across the United States, New York is the largest hub for this category (430 companies); Boston has 93.

This list covers company matches for niche law firms associated with Boston, United States, 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 14, 2026.

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 14, 2026 How this list was built
93Companies
9,649Contacts tracked
6,387Verified emails
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The 25 largest niche law firms based in Boston, United States

Ranked by team size
Top 25 of 93 company matches for niche law firms based in Boston, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 14, 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchBoston, MA, United StatesHQ recorded Sep 14, 20265,001-10,0003,582 contacts →

Exact match

“At Goodwin, we live your business.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
2Exact matchBoston, MA, United StatesHQ recorded Sep 14, 20261,001-5,0001,326 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
3Exact matchBoston, MA, United StatesHQ recorded Sep 14, 2026501-1,000787 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
4Exact matchBoston, MA, United StatesHQ recorded Sep 14, 2026201-500572 contacts →

Exact match

“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.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
5Exact matchBoston, MA, United StatesHQ recorded Sep 14, 2026201-500514 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
6Exact matchBoston, MA, United StatesHQ recorded Sep 14, 2026201-500398 contacts →

Exact match

“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.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
7Exact matchBoston, MA, United StatesHQ recorded Sep 14, 2026201-500364 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
8Exact matchBoston, MA, United StatesHQ recorded Sep 14, 2026201-500286 contacts →

Exact match

“Decency, honesty, and judgment.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
9Exact matchBoston, MA, United StatesHQ recorded Sep 14, 2026201-500254 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
10Exact matchBoston, MA, United StatesHQ recorded Sep 14, 202651-200104 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
11Exact matchBoston, MA, United StatesHQ recorded Sep 14, 202651-20083 contacts →

Exact match

“Recognized both nationally and internationally for delivering results on high stakes, complex litigation throughout the United States, Campbell Conroy & O’Neil, P.C.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
12Exact matchBoston, MA, United StatesHQ recorded Sep 14, 202651-20082 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
13Exact matchBoston, MA, United StatesHQ recorded Sep 14, 202651-20073 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
14Exact matchBoston, MA, United StatesHQ recorded Sep 14, 202651-20066 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
15Exact matchBoston, MA, United StatesHQ recorded Sep 14, 202611-5066 contacts →

Exact match

“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.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
16Exact matchBoston, MA, United StatesHQ recorded Sep 14, 202651-20063 contacts →

Exact match

“We want to get to know you.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
17Exact matchBoston, MA, United StatesHQ recorded Sep 14, 202651-20062 contacts →

Exact match

“Lando & Anastasi has received national recognition for our practice, aggressive approach to serving clients' needs, and for our supportive and collaborative firm culture.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
18Exact matchBoston, MA, United StatesHQ recorded Sep 14, 202611-5053 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
19Exact matchBoston, MA, United StatesHQ recorded Sep 14, 202611-5053 contacts →

Exact match

“Smith Duggan Cornell & Gollub LLP provides effective, innovative and timely legal advice to businesses, organizations, individuals and public entities in New England and across…”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
20Exact matchBoston, MA, United StatesHQ recorded Sep 14, 202611-5050 contacts →

Exact match

“Bernkopf is a boutique law firm that takes a smarter approach to real estate, litigation, construction, and business law, serving clients across Massachusetts and the United…”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
21Exact matchBoston, MA, United StatesHQ recorded Sep 14, 202651-20044 contacts →

Exact match

“Sunstein LLP is a boutique Intellectual Property firm with a 40-year history of success and expertise in all areas of IP law including litigation, patent and trademark…”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
22Exact matchBoston, MA, United StatesHQ recorded Sep 14, 202651-20041 contacts →

Exact match

“Gesmer Updegrove prides itself as being among the most respected, efficient, and bespoke firms in the region.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
23Exact matchBoston, MA, United StatesHQ recorded Sep 14, 202611-5035 contacts →

Exact match

“We are a full-service law firm, ready to assist businesses, organizations, individuals and families with any legal matter.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
24Exact matchBoston, MA, United StatesHQ recorded Sep 14, 202611-5030 contacts →

Exact match

“DLLP is a full-service law firm dedicated to offering the highest level of strategic counsel.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
25Exact matchBoston, MA, United StatesHQ recorded Sep 14, 202651-20029 contacts →

Exact match

“Unraveling Complexity A business is a complex entity.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase

Showing 25 of 93 niche law firms based in Boston, United States

See the full list, filter by size, metro and specialty, and access 6,387 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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

As of Sep 14, 2026
66.2%Verified-email coverage
103.8Average contacts per company
1-10Median size (employees)
Sep 14, 2026Page data refreshed

Companies by employee count

1-10
47
11-50
24
51-200
13
201-500
6
501-1,000
1
1,001-5,000
1
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 93 companies.

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.
What qualifies
Company records associated with Boston, United States whose business descriptions match “niche 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. Where headquarters information is recorded, preview rows are also filtered to this page’s location. 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 6,387 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 14, 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.

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

How many niche law firms are there based in Boston, United States?

RevenueBase identified 93 company matches for niche law firms associated with Boston, United States 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?

Goodwin tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city in the United States has the most niche law firms?

New York leads the United States with 430 company records, followed by Chicago (219) and Los Angeles (214). Boston has 93.

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 6,387 professional contacts with verified work emails tracked across these 93 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 14, 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.