Company lists · Data refreshed September 2026

Top 25 Digital advertising law firms based in the United States

RevenueBase identified 1,273 company matches for digital advertising law firms associated with the United States as of September 2026 and tracks 17,405 professional contacts across them, including 9,046 with verified work emails. New York is the largest hub.

This list covers company matches for digital advertising law firms associated with the 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 28, 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 28, 2026 How this list was built
1,273Companies
17,405Contacts tracked
9,046Verified emails
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The 25 largest digital advertising law firms based in the United States

Ranked by team size
Top 25 of 1,273 company matches for digital advertising law firms based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchWashington, DC, United StatesHQ recorded Sep 28, 20261,001-5,0001,790 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2Exact matchPhiladelphia, PA, United StatesHQ recorded Sep 28, 20261,001-5,0001,682 contacts →

Exact match

“Ballard Spahr LLP, an Am Law 100 law firm with more than 750 lawyers in 19 U.S.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3Exact matchWashington, DC, United StatesHQ recorded Sep 28, 2026501-1,000936 contacts →

Exact match

“When your most valuable assets are ideas, innovation, and brand-you need the best.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4Exact matchIrvine, CA, United StatesHQ recorded Sep 28, 2026501-1,000606 contacts →

Exact match

“Knobbe Martens protects the ideas that drive innovation and propel our world forward.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5Exact matchWashington, DC, United StatesHQ recorded Sep 28, 2026501-1,000576 contacts →

Exact match

“Founded in 1983, Wiley is a dominant presence in the nation’s capital.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6Exact matchKnoxville, TN, United StatesHQ recorded Sep 28, 2026201-500496 contacts →

Exact match

“Tombras is a 450+ person, full-service agency with a digital mindset.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7Exact matchMilwaukee, WI, United StatesHQ recorded Sep 28, 2026201-500327 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8Exact matchKansas City, MO, United StatesHQ recorded Sep 28, 2026501-1,000283 contacts →

Exact match

“Lathrop Gage clients are the backbone of our economy.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9Exact matchLos Angeles, CA, United StatesHQ recorded Sep 28, 2026201-500258 contacts →

Exact match

“Irell & Manella LLP is a law firm focused on complex commercial and IP litigation.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10Exact matchNew York, United StatesHQ recorded Sep 28, 2026201-500247 contacts →

Exact match

“Davis+Gilbert helped guide the development of the marketing communications ecosystem over the past century.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11Exact matchDevon, PA, United StatesHQ recorded Sep 28, 2026201-500213 contacts →

Exact match

“Founded by John F.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12Exact matchDallas, TX, United StatesHQ recorded Sep 28, 202651-200180 contacts →

Exact match

“Munck Wilson Mandala is a technology-focused law firm with offices in Dallas, Austin, Houston, Waco, Texas; Los Angeles, California; and South Florida.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13Exact matchAustin, TX, United StatesHQ recorded Sep 28, 202651-200160 contacts →

Exact match

“For almost 100 years, McGinnis Lochridge has served to protect the interests of our clients in continuously changing landscapes including cutting-edge technology, oil and gas…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14Exact matchChicago, IL, United StatesHQ recorded Sep 28, 202651-200157 contacts →

Exact match

“Leydig, Voit & Mayer remains at the forefront of intellectual property law, providing advice and counsel in intellectual property litigation, licensing, and prosecution services…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15Exact matchMarion, IL, United StatesHQ recorded Sep 28, 202651-200154 contacts →

Exact match

“Rankings.io was founded with one mission: to help personal injury law firms dominate their markets through performance-driven marketing.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16Exact matchEl Segundo, CA, United StatesHQ recorded Sep 28, 2026501-1,000148 contacts →

Exact match

“Martindale-Avvo comprises the online legal brands Martindale-Hubbell, Martindale-Nolo, Ngage, Captorra, and Avvo, and connects attorneys with millions of prospective clients every…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17Exact matchNashville, TN, United StatesHQ recorded Sep 28, 202651-200148 contacts →

Exact match

“Located in the heart of downtown Nashville, cj Advertising is a full-service ad agency that exclusively serves personal injury brands.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18Exact matchWoodland Hills, CA, United StatesHQ recorded Sep 28, 2026201-500143 contacts →

Exact match

“Consumer Attorney Marketing Group (CAMG) is a full service Marketing Agency made up of experts in Direct Response Marketing.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19Exact matchWashington, DC, United StatesHQ recorded Sep 28, 202651-200138 contacts →

Exact match

“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.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20Exact matchWashington, DC, United StatesHQ recorded Sep 28, 202651-200137 contacts →

Exact match

“BluShark Digital LLC was founded on the principle of providing high quality online marketing solutions for companies struggling to stand out online.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21Exact matchNorth Las Vegas, NV, United StatesHQ recorded Sep 28, 2026201-500131 contacts →

Exact match

“The Law Firm of Higbee & Associates, established in 2006, handles several areas of law, including intellectual property (primarily copyright) criminal defense, business…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22Exact matchRaleigh, NC, United StatesHQ recorded Sep 28, 202651-200116 contacts →

Exact match

“Most law firms invest in advertising, but struggle to connect the spend to revenue growth.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23Exact matchNorth Hollywood, CA, United StatesHQ recorded Sep 28, 202651-200115 contacts →

Exact match

“Named to Fortune’s 50 Best Workplaces in Advertising & Marketing, Hennessey Digital is an award-winning digital marketing agency specializing in SEO for lawyers and other online…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24Exact matchChicago, IL, United StatesHQ recorded Sep 28, 202651-200109 contacts →

Exact match

“With over 160 years of experience, Fitch, Even, Tabin & Flannery LLP is Chicago’s oldest law firm in continuous practice and a national leader in the field of intellectual…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25Exact matchWashington, DC, United StatesHQ recorded Sep 28, 202651-20094 contacts →

Exact match

“Rothwell Figg is a forward-thinking, client-focused law firm practicing at the convergence of intellectual property, litigation, and technology.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase

Showing 25 of 1,273 digital advertising law firms based in the United States

See the full list, filter by size, metro and specialty, and access 9,046 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Digital advertising law firms based in the United States at a glance

As of Sep 28, 2026
52.0%Verified-email coverage
13.7Average contacts per company
1-10Median size (employees)
7.1%Largest-city concentration · New York
Sep 28, 2026Page data refreshed

Companies by employee count

1-10
883
11-50
322
51-200
48
201-500
13
501-1,000
5
1,001-5,000
2

Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 1,273 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 the United States whose business descriptions match “digital advertising 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 9,046 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 28, 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.

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

How many digital advertising law firms are there based in the United States?

RevenueBase identified 1,273 company matches for digital advertising law firms associated with the 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?

Venable LLP tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most digital advertising law firms?

New York leads with 90 company records, followed by Washington (55) and Los Angeles (48).

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 9,046 professional contacts with verified work emails tracked across these 1,273 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 28, 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.