Company lists · Data refreshed September 2026

Top 23 Legal services providers based in Boston, United States

RevenueBase identified 39 legal services providers headquartered in Boston, United States as of September 2026 and tracks 442 professional contacts across them, including 245 with verified work emails. New York is the largest hub.

This list covers legal services providers 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
39Companies
442Contacts tracked
245Verified emails
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The 23 largest legal services providers based in Boston, United States

Ranked by team size
Top 23 of 39 legal services providers 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 legal services providers: 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, 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
2Indirect evidenceBoston, MA, United StatesHQ checked Sep 20, 202651-20066 contacts →

Indirect 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
3Strong evidenceBoston, MA, United StatesHQ checked Sep 20, 202611-5066 contacts →

Strong 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 20, 2026
4Strong evidenceBoston, MA, United StatesHQ checked Sep 20, 202611-5035 contacts →

Strong evidence

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

Source: RevenueBase Database · checked Sep 20, 2026
5Indirect evidenceBoston, MA, United StatesHQ checked Sep 20, 20261-1030 contacts →

Indirect evidence

“Since 1984, McKenzie & Associates, P.C.”

Source: RevenueBase Database · checked Sep 20, 2026
6Indirect evidenceBoston, MA, United StatesHQ checked Sep 20, 202651-20029 contacts →

Indirect evidence

“Unraveling Complexity A business is a complex entity.”

Source: RevenueBase Database · checked Sep 20, 2026
7Strong evidenceBoston, MA, United StatesHQ checked Sep 20, 202611-5021 contacts →

Strong evidence

“Sassoon Cymrot Law provides businesses and individuals with a broad spectrum of legal services delivered by our experienced and compassionate attorneys.”

Source: RevenueBase Database · checked Sep 20, 2026
8Indirect evidenceBoston, MA, United StatesHQ checked Sep 20, 202611-5011 contacts →

Indirect evidence

“At the law firm of Gilman, McLaughlin & Hanrahan, LLP, we have been serving individuals and businesses in and around Boston, eastern Massachusetts and Cape Cod since 1975.”

Source: RevenueBase Database · checked Sep 20, 2026
9Indirect evidenceBoston, MA, United StatesHQ checked Sep 20, 202611-5010 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 20, 2026
10Indirect evidenceBoston, MA, United StatesHQ checked Sep 20, 202651-20010 contacts →

Indirect evidence

“For over 100 years, Rubin and Rudman's attorneys have helped shape the laws of changing times.”

Source: RevenueBase Database · checked Sep 20, 2026
11Indirect evidenceBoston, MA, United StatesHQ checked Sep 20, 20261-1010 contacts →

Indirect 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 20, 2026
12Strong evidenceBoston, MA, United StatesHQ checked Sep 20, 20261-109 contacts →

Strong evidence

“Roach, Ioannidis & Megaloudis, LLC is conveniently located in the heart of Boston's legal and financial community and serves a local, national and international clientele.”

Source: RevenueBase Database · checked Sep 20, 2026
13Indirect evidenceBoston, MA, United StatesHQ checked Sep 20, 20261-109 contacts →

Indirect evidence

“Griffin Law’s experienced team of attorneys provides prompt, professional, and cost-competitive services to clients in Massachusetts, New Hampshire, and Rhode Island.”

Source: RevenueBase Database · checked Sep 20, 2026
14Strong evidenceBoston, MA, United StatesHQ checked Sep 20, 202611-508 contacts →

Strong evidence

“Since 1974, the attorneys at Phillips & Angley have provided a full range of legal services to individuals and businesses throughout Massachusetts.”

Source: RevenueBase Database · checked Sep 20, 2026
15Strong evidenceBoston, MA, United StatesHQ checked Sep 20, 20261-107 contacts →

Strong evidence

“Calabrese Law Associates offers industry-leading legal representation across a comprehensive range of practice areas to effectively serve clients in need of real estate and…”

Source: RevenueBase Database · checked Sep 20, 2026
16Indirect evidenceBoston, MA, United StatesHQ checked Sep 20, 20261-105 contacts →

Indirect evidence

“The lawyers at Aceto, Bonner & Cole PC, have been practicing together for more than 10 years.”

Source: RevenueBase Database · checked Sep 20, 2026
17Indirect evidenceBoston, MA, United StatesHQ checked Sep 20, 20261-104 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 20, 2026
18Indirect evidenceBoston, MA, United StatesHQ checked Sep 20, 20261-103 contacts →

Indirect evidence

“We are business solution providers.”

Source: RevenueBase Database · checked Sep 20, 2026
19Indirect evidenceBoston, MA, United StatesHQ checked Sep 20, 20261-103 contacts →

Indirect evidence

“Pasquarello | Fink | Haddad LLC provides counsel to clients in a broad range of civil litigation, business counseling, and compliance issues.”

Source: RevenueBase Database · checked Sep 20, 2026
20Indirect evidenceBoston, MA, United StatesHQ checked Sep 20, 20261-103 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 20, 2026
21Strong evidenceBoston, MA, United StatesHQ checked Sep 20, 20261-102 contacts →

Strong evidence

“Our team is highly experienced in legal and business operations to help you meet and exceed your goals.”

Source: RevenueBase Database · checked Sep 20, 2026
22Indirect evidenceBoston, MA, United StatesHQ checked Sep 20, 20261-102 contacts →

Indirect evidence

“Landay Leblang Stern is a law firm dedicated to handling business matters throughout the U.S.”

Source: RevenueBase Database · checked Sep 20, 2026
23Strong evidenceBoston, MA, United StatesHQ checked Sep 20, 20261-101 contacts →

Strong evidence

“ENDEAVORLEGAL is a business-focused legal practice originally established in Boston, with attorneys licensed in Massachusetts, New York, and California.”

Source: RevenueBase Database · checked Sep 20, 2026

Showing 23 of 39 legal services providers based in Boston, United States

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Legal services providers based in Boston, United States at a glance

As of Sep 20, 2026
55.4%Verified-email coverage
11.3Average contacts per company
1-10Median size (employees)
597.4%Largest-city concentration · New York
Sep 20, 2026Page data refreshed

Companies by employee count

1-10
27
11-50
8
51-200
4

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 39 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 legal services providers, 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 “legal services providers”. 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 legal services providers), 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 legal services providers, 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, 245 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.

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 legal services providers, 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 legal services providers are there based in Boston, United States?

RevenueBase identified 39 legal services providers 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?

Lawson & Weitzen, LLP, headquartered in Boston, tops this list with the largest team on record.

Which city has the most legal services providers?

New York leads with 233 headquartered companies, followed by Chicago (114) and Houston (113).

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 245 verified decision-maker contacts tracked across these 39 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.