Company lists · Data refreshed September 2026

Top 25 Big 5 law firms based in Boston, United States

Name: Big 5 law firms based in Boston, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 23, 2026 208 companies tracked

RevenueBase identified 208 company matches for big 5 law firms associated with Boston, United States as of September 2026 and tracks 17,311 professional contacts across them, including 10,354 with verified work emails. Across the United States, New York is the largest hub for this category (1,021 companies); Boston has 208.

This list covers company matches for big 5 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 23, 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 23, 2026 How this list was built

208Companies

17,311Contacts tracked

10,354Verified emails

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The 25 largest big 5 law firms based in Boston, United States

Ranked by team size

Top 25 of 208 company matches for big 5 law firms based in Boston, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 23, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Goodwin	Exact match	Boston, MA, United StatesHQ recorded Sep 23, 2026	5,001-10,000	3,582 contacts →
	Exact match “At Goodwin, we live your business.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
2	Nixon Peabody LLP	Exact match	Boston, MA, United StatesHQ recorded Sep 23, 2026	1,001-5,000	1,776 contacts →
	Exact match “Nixon Peabody LLP is an American Lawyer top-100 law firm in the United States and has 15 offices worldwide.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
3	MINTZ	Exact match	Boston, MA, United StatesHQ recorded Sep 23, 2026	1,001-5,000	1,326 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 23, 2026 · View company records in RevenueBase
4	Fish & Richardson P.C	Exact match	Boston, MA, United StatesHQ recorded Sep 23, 2026	1,001-5,000	1,167 contacts →
	Exact match “As the leading intellectual property law firm, we help innovators change the world through our unmatched litigation, prosecution, and post-grant experience across venues and…” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
5	Foley Hoag LLP	Exact match	Boston, MA, United StatesHQ recorded Sep 23, 2026	501-1,000	787 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 23, 2026 · View company records in RevenueBase
6	Bingham Mccutchen LLP	Exact match	Boston, MA, United StatesHQ recorded Sep 23, 2026	1,001-5,000	575 contacts →
	Exact match “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…” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
7	Choate, Hall & Stewart LLP	Exact match	Boston, MA, United StatesHQ recorded Sep 23, 2026	201-500	572 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 23, 2026 · View company records in RevenueBase
8	MG M The LAW Firm	Exact match	Boston, MA, United StatesHQ recorded Sep 23, 2026	201-500	514 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 23, 2026 · View company records in RevenueBase
9	Goulston & Storrs	Exact match	Boston, MA, United StatesHQ recorded Sep 23, 2026	201-500	496 contacts →
	Exact match “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.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
10	Wolf Greenfield	Exact match	Boston, MA, United StatesHQ recorded Sep 23, 2026	201-500	428 contacts →
	Exact match “Wolf, Greenfield & Sacks, P.C.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
11	Morrison Mahoney LLP	Exact match	Boston, MA, United StatesHQ recorded Sep 23, 2026	201-500	398 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 23, 2026 · View company records in RevenueBase
12	Hinckley Allen	Exact match	Boston, MA, United StatesHQ recorded Sep 23, 2026	201-500	385 contacts →
	Exact match “Hinckley Allen is a full-service business law firm dedicated to delivering exceptional results for its clients.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
13	Nutter	Exact match	Boston, MA, United StatesHQ recorded Sep 23, 2026	201-500	364 contacts →
	Exact match “Welcome to Nutter, where legal expertise meets unparalleled dedication.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
14	Sullivan & Worcester LLP	Exact match	Boston, MA, United StatesHQ recorded Sep 23, 2026	201-500	359 contacts →
	Exact match “As an international law firm with innovation in our DNA, we attract clients that are visionaries, trailblazers and game changers.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
15	Verrill	Exact match	Boston, MA, United StatesHQ recorded Sep 23, 2026	201-500	286 contacts →
	Exact match “Decency, honesty, and judgment.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
16	Burns & Levinson LLP	Exact match	Boston, MA, United StatesHQ recorded Sep 23, 2026	201-500	254 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 23, 2026 · View company records in RevenueBase
17	Eapd Edwards Angell Palmer & Dodge LLP	Exact match	Boston, MA, United StatesHQ recorded Sep 23, 2026	1,001-5,000	247 contacts →
	Exact match “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.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
18	Prince Lobel TYE LLP	Exact match	Boston, MA, United StatesHQ recorded Sep 23, 2026	51-200	223 contacts →
	Exact match “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…” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
19	Riemer & Braunstein LLP	Exact match	Boston, MA, United StatesHQ recorded Sep 23, 2026	51-200	174 contacts →
	Exact match “Riemer & Braunstein is a unique and dynamic firm in today’s legal marketplace.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
20	Hemenway & Barnes LLP	Exact match	Boston, MA, United StatesHQ recorded Sep 23, 2026	51-200	140 contacts →
	Exact match “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.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
21	Boyle Shaughnessy LAW	Exact match	Boston, MA, United StatesHQ recorded Sep 23, 2026	51-200	137 contacts →
	Exact match “Recognized as one of the region's most experienced, reliable and persistent litigation firms, Boyle \| Shaughnessy Law builds confidence with each client by achieving winning…” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
22	Casner & Edwards, LLP	Exact match	Boston, MA, United StatesHQ recorded Sep 23, 2026	51-200	104 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 23, 2026 · View company records in RevenueBase
23	Clark Elbing LLP	Exact match	Boston, MA, United StatesHQ recorded Sep 23, 2026	51-200	104 contacts →
	Exact match “Clark+Elbing is a top-tier intellectual property (IP) law firm focused on protecting and promoting innovations in life science, chemistry, devices, and diagnostics.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
24	Hamilton, Brook, Smith & Reynolds, P.C	Exact match	Boston, MA, United StatesHQ recorded Sep 23, 2026	51-200	100 contacts →
	Exact match “Hamilton Brook Smith Reynolds is a leading law firm specializing in intellectual property law.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
25	Cetrulo LLP	Exact match	Boston, MA, United StatesHQ recorded Sep 23, 2026	51-200	100 contacts →
	Exact match “For over 25 years, our dedicated attorneys have been setting the standard for exceptional representation in liability defense litigation.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “big 5 law firms”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 208 big 5 law firms based in Boston, United States

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Big 5 law firms based in Boston, United States at a glance

As of Sep 23, 2026

59.8%Verified-email coverage

83.2Average contacts per company

1-10Median size (employees)

Sep 23, 2026Page data refreshed

Companies by employee count

1-10

111

11-50

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

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 208 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 “big 5 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 10,354 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 23, 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.

Big 5 law firms by metro in the United States

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 “big 5 law firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many big 5 law firms are there based in Boston, United States?

RevenueBase identified 208 company matches for big 5 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 big 5 law firms?

New York leads the United States with 1,021 company records, followed by Chicago (492) and Los Angeles (477). Boston has 208.

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 10,354 professional contacts with verified work emails tracked across these 208 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 23, 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.