Company lists · Data refreshed September 2026

Top 25 Advertising lawyers worldwide

Name: Advertising lawyers worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 21, 2026 6,015 companies tracked

RevenueBase identified 6,015 advertising lawyers worldwide as of September 2026 and tracks 42,423 professional contacts across them, including 10,265 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers advertising lawyers worldwide, 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. Country and city lists for advertising lawyers follow the table.

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

6,015Companies

42,423Contacts tracked

10,265Verified emails

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The 25 largest advertising lawyers worldwide

Ranked by team size

Top 25 of 6,015 advertising lawyers worldwide, ranked by team size, largest first. Data refreshed Sep 21, 2026. RevenueBase Smart Search rates how each company's information relates to advertising lawyers: 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	Venable LLP	Indirect evidence	Washington, DC, United StatesHQ checked Sep 21, 2026	1,001-5,000	1,790 contacts →
	Indirect evidence “Committed to Your Success – As a law firm of more than 900 professionals, Venable delivers legal services globally in every area of regulatory compliance, government affairs…” Source: RevenueBase Database · checked Sep 21, 2026
2	Stream Companies	Partial evidence	Malvern, PA, United StatesHQ checked Sep 21, 2026	501-1,000	572 contacts →
	Partial evidence “Stream Companies is a full service advertising agency that specializes in launching, positioning, and long term management of brands on full service contracts and a…” Source: RevenueBase Database · checked Sep 21, 2026
3	Tortoro, Madureira & Ragazzi Advogados	Indirect evidence	São Paulo, BrazilHQ checked Sep 21, 2026	201-500	480 contacts →
	Indirect evidence “Somos um escritório focado no direito empresarial, destacando-se nas áreas Cível, Recuperação de Crédito, Trabalhista, Consumidor, Administrativo, Societário e Contratos…” Source: RevenueBase Database · checked Sep 21, 2026
4	Love Advertising	Partial evidence	Houston, TX, United StatesHQ checked Sep 21, 2026	51-200	374 contacts →
	Partial evidence “Love Advertising is a leading regional full-service advertising agency based in Houston, Texas.” Source: RevenueBase Database · checked Sep 21, 2026
5	W3haus	Indirect evidence	São Paulo, BrazilHQ checked Sep 21, 2026	201-500	295 contacts →
	Indirect evidence “cocreative native agency” Source: RevenueBase Database · checked Sep 21, 2026
6	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
7	Wiggin	Indirect evidence	London, United KingdomHQ checked Sep 21, 2026	51-200	240 contacts →
	Indirect evidence “Wiggin is a law firm focusing exclusively on Media, Entertainment, Technology and Brands/IP.” Source: RevenueBase Database · checked Sep 21, 2026
8	Perez DE Rezende Advogados	Indirect evidence	Sao Paulo, BrazilHQ checked Sep 21, 2026	201-500	230 contacts →
	Indirect evidence “Com mais de 40 anos de história, a Perez de Rezende Advogados se posiciona como uma empresa dinâmica, eficiente e que preza pela qualidade em seus serviços, tendo conquistado o…” Source: RevenueBase Database · checked Sep 21, 2026
9	Onmedia	Partial evidence	West Des Moines, IA, United StatesHQ checked Sep 21, 2026	51-200	223 contacts →
	Partial evidence “OnMedia utilizes the most advanced technology for targeted digital and TV advertising.” Source: RevenueBase Database · checked Sep 21, 2026
10	4as	Partial evidence	New York, NY, United StatesHQ checked Sep 21, 2026	51-200	209 contacts →
	Partial evidence “The 4As was established in 1917 to promote, advance, and defend the interests of our member agencies, employees and the advertising and marketing industries overall.” Source: RevenueBase Database · checked Sep 21, 2026
11	SMM	Partial evidence	Smithtown, NY, United StatesHQ checked Sep 21, 2026	n/a	204 contacts →
	Partial evidence “A 360º scope advertising and marketing agency headquartered on Long Island, New York, SMM is experienced in business-to-business, consumer, and recruitment advertising and serves…” Source: RevenueBase Database · checked Sep 21, 2026
12	Frankfurt Kurnit Klein & Selz	Indirect evidence	New York, NY, United StatesHQ checked Sep 21, 2026	51-200	186 contacts →
	Indirect 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
13	STER	Indirect evidence	Hilversum, NetherlandsHQ checked Sep 21, 2026	51-200	182 contacts →
	Indirect evidence “Ster verkoopt reclame op de televisie- en radiozenders en de websites van de publieke omroep, levert kwaliteit voor de adverteerder en zendt reclame uit met respect voor het…” Source: RevenueBase Database · checked Sep 21, 2026
14	Mccann Colombia	Indirect evidence	ColombiaHQ checked Sep 21, 2026	201-500	171 contacts →
	Indirect evidence “La verdad bien dicha" Para más información, escríbenos a McCanncolombia@omnicomadvertising.com” Source: RevenueBase Database · checked Sep 21, 2026
15	Battery	Partial evidence	Los Angeles, CA, United StatesHQ checked Sep 21, 2026	51-200	158 contacts →
	Partial evidence “3X AD AGE AGENCY OF THE YEAR \| 2025 CAMPAIGN AGENCY OF THE YEAR Battery is a full service creative advertising agency headquartered in Los Angeles with offices in Toronto, Chicago…” Source: RevenueBase Database · checked Sep 21, 2026
16	CJ Advertising	Partial evidence	Nashville, TN, United StatesHQ checked Sep 21, 2026	51-200	148 contacts →
	Partial evidence “Located in the heart of downtown Nashville, cj Advertising is a full-service ad agency that exclusively serves personal injury brands.” Source: RevenueBase Database · checked Sep 21, 2026
17	Leverate Group	Indirect evidence	Central Jakarta, SingaporeHQ checked Sep 21, 2026	51-200	145 contacts →
	Indirect evidence “Leverate Group is established since 2017.” Source: RevenueBase Database · checked Sep 21, 2026
18	Consumer Attorney Marketing Group, Inc. Camg	Indirect evidence	Woodland Hills, CA, United StatesHQ checked Sep 21, 2026	201-500	143 contacts →
	Indirect evidence “Consumer Attorney Marketing Group (CAMG) is a full service Marketing Agency made up of experts in Direct Response Marketing.” Source: RevenueBase Database · checked Sep 21, 2026
19	Wilkinson Barker Knauer, LLP	Indirect evidence	Washington, DC, United StatesHQ checked Sep 21, 2026	51-200	138 contacts →
	Indirect evidence “With offices in Washington, DC, Denver, Colorado, and Austin, Texas, Wilkinson Barker Knauer (WBK) is the nation’s largest stand-alone communications and technology law firm.” Source: RevenueBase Database · checked Sep 21, 2026
20	EL Taier DDB	Indirect evidence	GuatemalaHQ checked Sep 21, 2026	51-200	138 contacts →
	Indirect evidence “El Taier nace de la comunión de 2 personas, que buscaban la libertad creadora, la innovación, el reconocimiento a la pasión, la sinergia de talentos, la relación más estrecha con…” Source: RevenueBase Database · checked Sep 21, 2026
21	LAW Firm Of Higbee & Associates	Indirect evidence	North Las Vegas, NV, United StatesHQ checked Sep 21, 2026	201-500	131 contacts →
	Indirect evidence “The Law Firm of Higbee & Associates, established in 2006, handles several areas of law, including intellectual property (primarily copyright) criminal defense, business…” Source: RevenueBase Database · checked Sep 21, 2026
22	LA	Partial evidence	Los Angeles, CA, United StatesHQ checked Sep 21, 2026	51-200	124 contacts →
	Partial evidence “LA is a full-service creative advertising agency that combines 360º brand-building expertise with a nuanced understanding of regional and global perspectives.” Source: RevenueBase Database · checked Sep 21, 2026
23	Arystóbulo Freitas Advogados	Indirect evidence	São Paulo, BrazilHQ checked Sep 21, 2026	51-200	124 contacts →
	Indirect evidence “Arystóbulo Freitas Advogados é um escritório que reúne profissionais com ampla e longeva experiência no direito privado e público, com uma visão moderna do Direito, em sintonia…” Source: RevenueBase Database · checked Sep 21, 2026
24	Avatar Agency Group	Indirect evidence	Sandton, South AfricaHQ checked Sep 21, 2026	51-200	122 contacts →
	Indirect evidence “2 Creative Agency in Africa.” Source: RevenueBase Database · checked Sep 21, 2026
25	Consultwebs	Partial evidence	Raleigh, NC, United StatesHQ checked Sep 21, 2026	51-200	116 contacts →
	Partial evidence “Most law firms invest in advertising, but struggle to connect the spend to revenue growth.” 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: advertising lawyers. 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 advertising lawyers.
Partial evidence: Its own public description names part of advertising lawyers, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name advertising lawyers. 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 6,015 advertising lawyers worldwide

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Advertising lawyers worldwide at a glance

As of Sep 21, 2026

24.2%Verified-email coverage

7.1Average contacts per company

1-10Median size (employees)

2.1%Largest-city concentration · Sao Paulo

Sep 21, 2026Page data refreshed

Companies by employee count

1-10

4,075

11-50

1,616

51-200

232

201-500

501-1,000

1,001-5,000

10001+

Email recency is reported on each country list linked below.

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 lawyers, 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.
Coverage: Every country. Country and city lists for advertising lawyers are linked below.
What qualifies: Companies worldwide whose own description of what they do matches “advertising lawyers”. 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 lawyers), 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 lawyers, and records with no verified work email.
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, 10,265 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.

Advertising lawyers by location

27 lists · largest first

Every Advertising lawyers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

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 lawyers, 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 lawyers are there worldwide?

RevenueBase identified 6,015 advertising lawyers worldwide 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?

Venable LLP, headquartered in Washington, tops this list with the largest team on record.

Which country has the most advertising lawyers?

The United States leads with 1,254 companies, followed by Brazil (428) and Germany (364). Every advertising lawyers list by country and city is linked on this page.

Which city has the most advertising lawyers?

Sao Paulo leads with 128 headquartered companies, followed by New York (112) and Paris (77).

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 10,265 verified decision-maker contacts tracked across these 6,015 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.