Company lists · Data refreshed September 2026

Top 25 Advertising and marketing law firms based in Boston, United States

RevenueBase identified 61 advertising and marketing law firms headquartered in Boston, United States as of September 2026 and tracks 1,874 professional contacts across them, including 1,059 with verified work emails. Across the United States, New York is the largest hub for this category (395 companies); Boston has 61.

This list covers advertising and marketing 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 27, 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 27, 2026 86% judged on-target in blind review
61Companies
1,874Contacts tracked
1,059Verified emails
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The 25 largest advertising and marketing law firms based in Boston, United States

Ranked by team size
Top 25 of 61 advertising and marketing law firms based in Boston, United States, ranked by team size, largest first. Data refreshed Sep 27, 2026. RevenueBase Smart Search rates how each company's information relates to advertising and marketing 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 27, 2026201-500428 contacts →

Indirect evidence

“Wolf, Greenfield & Sacks, P.C.”

Source: RevenueBase Database · checked Sep 27, 2026
2Indirect evidenceBoston, MA, United StatesHQ checked Sep 27, 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 27, 2026
3Partial evidenceBoston, MA, United StatesHQ checked Sep 27, 2026201-500254 contacts →

Partial 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 27, 2026
4Indirect evidenceBoston, MA, United StatesHQ checked Sep 27, 20261,001-5,000154 contacts →

Indirect evidence

“On January 10, 2015, Locke Lord LLP and Edward Wildman Palmer LLP combined to create Locke Lord Edwards, a Firm of approximately lawyers working from 23 offices to meet clients’…”

Source: RevenueBase Database · checked Sep 27, 2026
5Indirect evidenceBoston, MA, United StatesHQ checked Sep 27, 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 27, 2026
6Partial evidenceBoston, MA, United StatesHQ checked Sep 27, 202611-5066 contacts →

Partial 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 27, 2026
7Indirect evidenceBoston, MA, United StatesHQ checked Sep 27, 202651-20063 contacts →

Indirect evidence

“We want to get to know you.”

Source: RevenueBase Database · checked Sep 27, 2026
8Indirect evidenceBoston, MA, United StatesHQ checked Sep 27, 202651-20062 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 27, 2026
9Indirect evidenceBoston, MA, United StatesHQ checked Sep 27, 202611-5053 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 27, 2026
10Indirect evidenceBoston, MA, United StatesHQ checked Sep 27, 202611-5044 contacts →

Indirect evidence

“For more than twenty-five years, Adler, Cohen, Harvey, Wakeman & Guekguezian has consistently delivered successful results defending our clients in civil litigation and licensing…”

Source: RevenueBase Database · checked Sep 27, 2026
11Indirect evidenceBoston, MA, United StatesHQ checked Sep 27, 202651-20041 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 27, 2026
12Partial evidenceBoston, MA, United StatesHQ checked Sep 27, 202611-5036 contacts →

Partial evidence

“Cesari and McKenna is an intellectual property law firm representing clients ranging from individuals to emerging and established companies.”

Source: RevenueBase Database · checked Sep 27, 2026
13Indirect evidenceBoston, MA, United StatesHQ checked Sep 27, 20261-1030 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 27, 2026
14Indirect evidenceBoston, MA, United StatesHQ checked Sep 27, 202651-20029 contacts →

Indirect evidence

“Unraveling Complexity A business is a complex entity.”

Source: RevenueBase Database · checked Sep 27, 2026
15Indirect evidenceBoston, MA, United StatesHQ checked Sep 27, 20261-1010 contacts →

Indirect evidence

“Strang Scott is a dynamic business transaction and litigation firm, dedicated to serving the needs of business of all sizes.”

Source: RevenueBase Database · checked Sep 27, 2026
16Partial evidenceBoston, MA, United StatesHQ checked Sep 27, 20261-1010 contacts →

Partial 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 27, 2026
17Partial evidenceBoston, MA, United StatesHQ checked Sep 27, 20261-108 contacts →

Partial evidence

“The law firm of Laredo & Smith, LLP provides respected advice and creative representation in business litigation, white collar criminal defense and government investigations…”

Source: RevenueBase Database · checked Sep 27, 2026
18Indirect evidenceBoston, MA, United StatesHQ checked Sep 27, 202611-508 contacts →

Indirect 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 27, 2026
19Partial evidenceBoston, MA, United StatesHQ checked Sep 27, 20261-108 contacts →

Partial evidence

“Rights Protection Law Group, PLLC is a Law Firm focused on consumer protection, located at 8 Faneuil Hall Marketplace, Third Floor, Boston, MA 02109”

Source: RevenueBase Database · checked Sep 27, 2026
20Indirect evidenceBoston, MA, United StatesHQ checked Sep 27, 20261-107 contacts →

Indirect evidence

“Experienced business litigators providing thoughtful and strategic approaches to resolving business disputes and other matters.”

Source: RevenueBase Database · checked Sep 27, 2026
21Partial evidenceBoston, MA, United StatesHQ checked Sep 27, 20261-106 contacts →

Partial evidence

“Continental Law Group is a boutique law firm specializing in Commercial and Residential Real Estate, as well as Business and Corporate law.”

Source: RevenueBase Database · checked Sep 27, 2026
22Indirect evidenceBoston, MA, United StatesHQ checked Sep 27, 20261-104 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 27, 2026
23Partial evidenceBoston, MA, United StatesHQ checked Sep 27, 20261-104 contacts →

Partial evidence

“Mitchell & DeSimone is a law firm specializing in litigation, located in Boston, Massachusetts.”

Source: RevenueBase Database · checked Sep 27, 2026
24Partial evidenceBoston, MA, United StatesHQ checked Sep 27, 20261-104 contacts →

Partial evidence

“The Jacobs Law, LLC is a Boston-based business litigation & corporate law firm that provides high-quality, cost-conscious legal services to businesses, entrepreneurs, and…”

Source: RevenueBase Database · checked Sep 27, 2026
25Indirect evidenceBoston, MA, United StatesHQ checked Sep 27, 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 27, 2026

Showing 25 of 61 advertising and marketing law firms based in Boston, United States

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Advertising and marketing law firms based in Boston, United States at a glance

As of Sep 27, 2026
56.5%Verified-email coverage
30.7Average contacts per company
1-10Median size (employees)
Sep 27, 2026Page data refreshed

Companies by employee count

1-10
45
11-50
6
51-200
6
201-500
3
1,001-5,000
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 61 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 advertising and marketing 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 “advertising and marketing 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 advertising and marketing 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 advertising and marketing 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, 1,059 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 27, 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.

Advertising and marketing 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 advertising and marketing 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 advertising and marketing law firms are there based in Boston, United States?

RevenueBase identified 61 advertising and marketing 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?

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

Which city in the United States has the most advertising and marketing law firms?

New York leads the United States with 395 headquartered companies, followed by Los Angeles (201) and Chicago (190). Boston has 61.

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 1,059 verified decision-maker contacts tracked across these 61 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 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 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.