Company lists · Data refreshed September 2026

Top 25 Administrative law firms based in Boston, United States

Name: Administrative 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 27, 2026 64 companies tracked

RevenueBase identified 64 company matches for administrative law firms associated with Boston, United States as of September 2026 and tracks 867 professional contacts across them, including 568 with verified work emails. Across the United States, New York is the largest hub for this category (230 companies); Boston has 64.

This list covers company matches for administrative 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 27, 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 27, 2026 How this list was built

64Companies

867Contacts tracked

568Verified emails

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The 25 largest administrative law firms based in Boston, United States

Ranked by team size

Top 25 of 64 company matches for administrative law firms based in Boston, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 27, 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	Boyle Shaughnessy LAW	Exact match	Boston, MA, United StatesHQ recorded Sep 27, 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 27, 2026 · View company records in RevenueBase
2	Lawson & Weitzen, LLP	Exact match	Boston, MA, United StatesHQ recorded Sep 27, 2026	51-200	73 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 27, 2026 · View company records in RevenueBase
3	Barton Gilman LLP	Exact match	Boston, MA, United StatesHQ recorded Sep 27, 2026	51-200	66 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 27, 2026 · View company records in RevenueBase
4	Davis Malm	Exact match	Boston, MA, United StatesHQ recorded Sep 27, 2026	51-200	63 contacts →
	Exact match “We want to get to know you.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
5	KP Law, P.C	Exact match	Boston, MA, United StatesHQ recorded Sep 27, 2026	51-200	55 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
6	Smith Duggan Cornell & Gollub LLP	Exact match	Boston, MA, United StatesHQ recorded Sep 27, 2026	11-50	53 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 27, 2026 · View company records in RevenueBase
7	Fitch LAW Partners LLP	Exact match	Boston, MA, United StatesHQ recorded Sep 27, 2026	11-50	46 contacts →
	Exact match “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…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
8	Adler Cohen Harvey Wakeman & Guekguezian, LLP	Exact match	Boston, MA, United StatesHQ recorded Sep 27, 2026	11-50	44 contacts →
	Exact match “For more than twenty-five years, Adler, Cohen, Harvey, Wakeman & Guekguezian has consistently delivered successful results defending our clients in civil litigation and licensing…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
9	Murphy & King, Professional Corporation	Exact match	Boston, MA, United StatesHQ recorded Sep 27, 2026	51-200	29 contacts →
	Exact match “Unraveling Complexity A business is a complex entity.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
10	Block & Leviton LLP	Exact match	Boston, MA, United StatesHQ recorded Sep 27, 2026	11-50	25 contacts →
	Exact match “Block & Leviton LLP is a boutique law firm focused on complex litigation nationwide.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
11	Pierce & Mandell, P.C	Exact match	Boston, MA, United StatesHQ recorded Sep 27, 2026	11-50	25 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
12	Brody Hardoon Perkins & Kesten, LLP Bhpk LAW	Exact match	Boston, MA, United StatesHQ recorded Sep 27, 2026	11-50	24 contacts →
	Exact match “When we say "Good People, Great Lawyers," we mean it.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
13	Louison, Costello, Condon & Pfaff, LLP	Exact match	Boston, MA, United StatesHQ recorded Sep 27, 2026	11-50	14 contacts →
	Exact match “Team of experienced Boston trial lawyers focused on criminal law, DUI, fraud, personal injury cases, real estate litigation and employment issues.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
14	Smith, Costello & Crawford	Exact match	Boston, MA, United StatesHQ recorded Sep 27, 2026	1-10	13 contacts →
	Exact match “Smith, Costello & Crawford is a regulatory and legislative policy firm dedicated to helping our clients achieve success through consulting, lobbying, and law services.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
15	D'angelo & Hashem, LLC	Exact match	Boston, MA, United StatesHQ recorded Sep 27, 2026	1-10	13 contacts →
	Exact match “D’Angelo Law Group, LLC is a full-service, litigation law firm, with offices in North Andover and Boston, Massachusetts.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
16	Farrell Smith O'connell	Exact match	Boston, MA, United StatesHQ recorded Sep 27, 2026	1-10	12 contacts →
	Exact match “Farrell Smith O'Connell ("FSO") is a full-service law firm with a focus on maritime, admiralty, transportation, cargo law, and civil litigation.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
17	Hartley Michon Robb Hannon LLP	Exact match	Boston, MA, United StatesHQ recorded Sep 27, 2026	1-10	11 contacts →
	Exact match “Hartley Michon Robb Hannon LLP concentrates in employment law, executive advocacy and litigation.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
18	Gilman, Mclaughlin & Hanrahan, LLP	Exact match	Boston, MA, United StatesHQ recorded Sep 27, 2026	11-50	11 contacts →
	Exact match “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.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
19	Serlin Haley, LLP	Exact match	Boston, MA, United StatesHQ recorded Sep 27, 2026	11-50	9 contacts →
	Exact match “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…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
20	Laredo & Smith, LLP	Exact match	Boston, MA, United StatesHQ recorded Sep 27, 2026	1-10	8 contacts →
	Exact match “The law firm of Laredo & Smith, LLP provides respected advice and creative representation in business litigation, white collar criminal defense and government investigations…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
21	Calabrese LAW Associates, P.C	Exact match	Boston, MA, United StatesHQ recorded Sep 27, 2026	1-10	7 contacts →
	Exact match “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…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
22	Upton Connell & Devlin, LLP	Exact match	Boston, MA, United StatesHQ recorded Sep 27, 2026	1-10	7 contacts →
	Exact match “Upton Connell & Devlin, LLP is a Boston law firm that represents companies and individuals in all aspects, and at all levels, of administrative law, with a specialty in the…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
23	Whistleblower LAW Collaborative LLC	Exact match	Boston, MA, United StatesHQ recorded Sep 27, 2026	1-10	7 contacts →
	Exact match “The Whistleblower Law Collaborative is one of the nation’s leading law firms representing persons or companies who learn of fraud and step forward to expose wrongdoing.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
24	Morrissey Hawkins & Lynch	Exact match	Boston, MA, United StatesHQ recorded Sep 27, 2026	11-50	6 contacts →
	Exact match “Located in the heart of Boston’s Financial District, Morrissey, Hawkins & Lynch has been dedicated to meeting the needs of its clients since the firm’s inception in 1990.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
25	LAW Offices Of Brian T. O'neill, P.C	Exact match	Boston, MA, United StatesHQ recorded Sep 27, 2026	1-10	6 contacts →
	Exact match “The Law Offices of Brian T.” Recorded in the RevenueBase company graph · Sep 27, 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 “administrative 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 64 administrative law firms based in Boston, United States

See the full list, filter by size, metro and specialty, and access 568 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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

As of Sep 27, 2026

65.5%Verified-email coverage

13.5Average contacts per company

1-10Median size (employees)

Sep 27, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

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 64 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 “administrative 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 568 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 27, 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.

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

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

RevenueBase identified 64 company matches for administrative 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?

Boyle Shaughnessy LAW 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 administrative law firms?

New York leads the United States with 230 company records, followed by Washington (132) and Chicago (126). Boston has 64.

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 568 professional contacts with verified work emails tracked across these 64 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 27, 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.