Company lists · Data refreshed September 2026

Top 25 Ad law firms based in New York, United States

Name: Ad law firms based in New York, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 21, 2026 367 companies tracked

RevenueBase identified 367 ad law firms headquartered in New York, United States as of September 2026 and tracks 12,446 professional contacts across them, including 6,484 with verified work emails. New York is the largest hub.

This list covers ad law firms headquartered in New York, 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 21, 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 21, 2026 86% judged on-target in blind review

367Companies

12,446Contacts tracked

6,484Verified emails

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The 25 largest ad law firms based in New York, United States

Ranked by team size

Top 25 of 367 ad law firms based in New York, United States, ranked by team size, largest first. Data refreshed Sep 21, 2026. RevenueBase Smart Search rates how each company's information relates to ad 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.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Skadden, Arps, Slate, Meagher & Flom LLP And Affiliates	Indirect evidence	New York, NY, United StatesHQ checked Sep 21, 2026	1,001-5,000	4,540 contacts →
	Indirect evidence “Skadden, Arps, Slate, Meagher & Flom LLP and Affiliates delivers the highest quality advice and novel solutions to legal challenges, enabling clients to achieve their business…” Source: RevenueBase Database · checked Sep 21, 2026
2	Kelley Drye & Warren LLP	Partial evidence	New York, NY, United StatesHQ checked Sep 21, 2026	501-1,000	690 contacts →
	Partial evidence “Kelley Drye is an AmLaw 200 law firm of more than 350 lawyers and other professionals practicing in New York, NY; Washington, D.C; Chicago, IL; Houston, TX, Los Angeles, CA; San…” Source: RevenueBase Database · checked Sep 21, 2026
3	Wachtell, Lipton, Rosen & Katz	Indirect evidence	New York, NY, United StatesHQ checked Sep 21, 2026	501-1,000	656 contacts →
	Indirect evidence “Wachtell Lipton was founded on a handshake in 1965 as a small group of lawyers dedicated to providing advice and expertise at the highest levels.” Source: RevenueBase Database · checked Sep 21, 2026
4	Boies Schiller Flexner LLP	Indirect evidence	New York, NY, United StatesHQ checked Sep 21, 2026	501-1,000	537 contacts →
	Indirect evidence “A firm of internationally recognized trial lawyers, crisis managers, and strategic advisors known for our creative, aggressive, and efficient pursuit of success for our clients.” Source: RevenueBase Database · checked Sep 21, 2026
5	Cahill Gordon & Reindel LLP	Indirect evidence	New York, NY, United StatesHQ checked Sep 21, 2026	501-1,000	513 contacts →
	Indirect evidence “Cahill Gordon & Reindel LLP was founded in 1919 and quickly built a national reputation for excellence in the financial and corporate areas.” Source: RevenueBase Database · checked Sep 21, 2026
6	Patterson Belknap Webb & Tyler LLP	Partial evidence	New York, NY, United StatesHQ checked Sep 21, 2026	201-500	356 contacts →
	Partial evidence “Founded in 1919, Patterson Belknap is a law firm of approximately 200 lawyers committed to providing high quality legal advice and service to clients and to maintaining a…” Source: RevenueBase Database · checked Sep 21, 2026
7	Davis Gilbert LLP	Indirect evidence	New York, United StatesHQ checked Sep 21, 2026	201-500	247 contacts →
	Indirect evidence “Davis+Gilbert helped guide the development of the marketing communications ecosystem over the past century.” Source: RevenueBase Database · checked Sep 21, 2026
8	Morrison Cohen LLP	Partial evidence	New York, NY, United StatesHQ checked Sep 21, 2026	51-200	208 contacts →
	Partial evidence “Morrison Cohen gives you the best of all worlds: the range of experience of a full-service law firm, the personalized, senior-level attention of a boutique firm and the…” Source: RevenueBase Database · checked Sep 21, 2026
9	Frankfurt Kurnit Klein & Selz	Partial evidence	New York, NY, United StatesHQ checked Sep 21, 2026	51-200	186 contacts →
	Partial evidence “Founded over 40 years ago as a boutique law firm servicing the entertainment and arts communities in New York City, Frankfurt Kurnit has grown to become a full-service firm…” Source: RevenueBase Database · checked Sep 21, 2026
10	Ellenoff Grossman & Schole LLP	Partial evidence	New York, NY, United StatesHQ checked Sep 21, 2026	51-200	183 contacts →
	Partial evidence “Ellenoff Grossman & Schole LLP is a New York City-based law firm comprised of over 125 professionals, offering its clients legal services in a broad range of business related…” Source: RevenueBase Database · checked Sep 21, 2026
11	Fross Zelnick Lehrman & Zissu	Partial evidence	New York, NY, United StatesHQ checked Sep 21, 2026	51-200	182 contacts →
	Partial evidence “Fross Zelnick is consistently recognized by clients and peers as one of the top IP law firms in the world.” Source: RevenueBase Database · checked Sep 21, 2026
12	Scott Scott	Partial evidence	New York, NY, United StatesHQ checked Sep 21, 2026	51-200	135 contacts →
	Partial evidence “Scott+Scott is an international law firm known for its expertise in representing corporate clients, institutional investors, businesses, and individuals harmed by anticompetitive…” Source: RevenueBase Database · checked Sep 21, 2026
13	Ladas & Parry LLP	Indirect evidence	New York, NY, United StatesHQ checked Sep 21, 2026	51-200	135 contacts →
	Indirect evidence “As an enterprise grows, its need for intellectual property (IP) protection expands.” Source: RevenueBase Database · checked Sep 21, 2026
14	Olshan Frome Wolosky LLP	Partial evidence	New York, NY, United StatesHQ checked Sep 21, 2026	51-200	132 contacts →
	Partial evidence “FIRM OVERVIEW: Olshan, a law firm based in New York, represents major businesses and entrepreneurs for their most significant transactions, problems and opportunities.” Source: RevenueBase Database · checked Sep 21, 2026
15	Gibney, Anthony & Flaherty, LLP	Partial evidence	New York, NY, United StatesHQ checked Sep 21, 2026	51-200	128 contacts →
	Partial evidence “A MODERN FIRM WITH TRADITIONAL VALUES, GIBNEY BRINGS A UNIQUE FLAIR TO THE PRACTICE OF LAW.” Source: RevenueBase Database · checked Sep 21, 2026
16	Meister Seelig & Fein	Partial evidence	New York, NY, United StatesHQ checked Sep 21, 2026	51-200	118 contacts →
	Partial evidence “Meister Seelig & Fein is a full-service commercial law firm with offices in New York, New Jersey, Connecticut, Los Angeles and our newest office in Jericho, Long Island.” Source: RevenueBase Database · checked Sep 21, 2026
17	Kenyon & Kenyon LLP	Partial evidence	New York, NY, United StatesHQ checked Sep 21, 2026	n/a	117 contacts →
	Partial evidence “Kenyon & Kenyon LLP is a leading intellectual property law firm whose sophisticated and business-oriented approach helps clients succeed with their intellectual property…” Source: RevenueBase Database · checked Sep 21, 2026
18	Cowan, Liebowitz & Latman, P.C	Partial evidence	New York, NY, United StatesHQ checked Sep 21, 2026	51-200	94 contacts →
	Partial evidence “We are a boutique full-service firm recognized worldwide in the areas of intellectual property law and litigation.” Source: RevenueBase Database · checked Sep 21, 2026
19	Dorf Nelson & Zauderer LLP	Partial evidence	New York, NY, United StatesHQ checked Sep 21, 2026	51-200	88 contacts →
	Partial evidence “Dorf Nelson & Zauderer LLP is a national law firm with offices in New York, California, and New Jersey, representing corporations, executives, boards, private equity-backed…” Source: RevenueBase Database · checked Sep 21, 2026
20	Amster Rothstein & Ebenstein LLP	Partial evidence	New York, NY, United StatesHQ checked Sep 21, 2026	51-200	85 contacts →
	Partial evidence “Since 1953, Amster, Rothstein & Ebenstein LLP has focused exclusively on representing clients in all facets of intellectual property law both domestically and internationally.” Source: RevenueBase Database · checked Sep 21, 2026
21	Haug Partners LLP	Indirect evidence	New York, NY, United StatesHQ checked Sep 21, 2026	51-200	81 contacts →
	Indirect evidence “For over 25 years, Haug Partners has provided synthesized multidisciplinary legal services for life science and technology businesses.” Source: RevenueBase Database · checked Sep 21, 2026
22	Siri & Glimstad LLP	Indirect evidence	New York, NY, United StatesHQ checked Sep 21, 2026	51-200	79 contacts →
	Indirect evidence “Siri & Glimstad LLP has offices across the country and represents individuals and corporations in federal and state courts nationwide.” Source: RevenueBase Database · checked Sep 21, 2026
23	Skarzynski Marick & Black LLP	Partial evidence	New York, NY, United StatesHQ checked Sep 21, 2026	51-200	78 contacts →
	Partial evidence “Skarzynski Marick is a business law firm with extensive experience in insurance.” Source: RevenueBase Database · checked Sep 21, 2026
24	Abrams Garfinkel Margolis Bergson, LLP Agmb	Partial evidence	New York, NY, United StatesHQ checked Sep 21, 2026	51-200	78 contacts →
	Partial evidence “WHO WE ARE Abrams Garfinkel Margolis Bergson, LLP is a full-service law firm dedicated to smart, practical and cost-effective counsel.” Source: RevenueBase Database · checked Sep 21, 2026
25	Levi & Korsinsky, LLP	Partial evidence	New York, NY, United StatesHQ checked Sep 21, 2026	201-500	71 contacts →
	Partial evidence “Levi & Korsinsky, LLP is a leading plaintiffs’ law firm that has recovered billions of dollars for defrauded investors in global securities litigation and has been at the…” Source: RevenueBase Database · checked Sep 21, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: ad law firms. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names ad law firms.
Partial evidence: Its own public description names part of ad law firms, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name ad law firms. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 367 ad law firms based in New York, United States

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Ad law firms based in New York, United States at a glance

As of Sep 21, 2026

52.1%Verified-email coverage

33.9Average contacts per company

1-10Median size (employees)

100.0%Largest-city concentration · New York

Sep 21, 2026Page data refreshed

Companies by employee count

1-10

232

11-50

51-200

201-500

501-1,000

1,001-5,000

Email recency for this list is measured across the whole United States list rather than for New York, so it is reported there. Company counts and contact totals on this page are exact for New York, over 367 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 ad 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 New York, United States whose own description of what they do matches “ad 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 ad 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 ad law firms, and records with no verified work email. Companies headquartered outside New York 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, 6,484 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 21, 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.

Ad 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 ad 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 ad law firms are there based in New York, United States?

RevenueBase identified 367 ad law firms headquartered in New York, 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?

Skadden, Arps, Slate, Meagher & Flom LLP And Affiliates, headquartered in New York, tops this list with the largest team on record.

Which city has the most ad law firms?

New York leads with 367 headquartered companies, followed by Los Angeles (196) and Chicago (188).

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 6,484 verified decision-maker contacts tracked across these 367 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 21, 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.