Company lists · Data refreshed September 2026
Top 25 Marketing compliance law firms based in the United States
RevenueBase identified 555 marketing compliance law firms headquartered in the United States as of September 2026 and tracks 5,784 professional contacts across them, including 3,073 with verified work emails. New York is the largest hub.
This list covers marketing compliance law firms headquartered in the 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 28, 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.
The 25 largest marketing compliance law firms based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,790 contacts → | ||||
Strong 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 28, 2026Thanks. The Data Team will review it. | |||||
| 2 | 154 contacts → | ||||
Strong evidence “Rankings.io was founded with one mission: to help personal injury law firms dominate their markets through performance-driven marketing.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 3 | 143 contacts → | ||||
Partial 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 28, 2026Thanks. The Data Team will review it. | |||||
| 4 | 138 contacts → | ||||
Partial 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 28, 2026Thanks. The Data Team will review it. | |||||
| 5 | 137 contacts → | ||||
Partial evidence “BluShark Digital LLC was founded on the principle of providing high quality online marketing solutions for companies struggling to stand out online.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 6 | 137 contacts → | ||||
Partial evidence “Litigation, compliance and investigations: It's what we do, day in and day out.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 7 | 116 contacts → | ||||
Partial evidence “Most law firms invest in advertising, but struggle to connect the spend to revenue growth.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 8 | 93 contacts → | ||||
Strong evidence “For over 20 years, PMP has been the trusted partner for consumer law firms, delivering innovative marketing and website management solutions that drive results.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 9 | 78 contacts → | ||||
Partial evidence “Established in 1997, Hudson Cook, LLP focuses on state and federal consumer and commercial financial services, banking and privacy compliance, regulation, enforcement and…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 10 | 64 contacts → | ||||
Indirect evidence “Whitehardt is a full-service broadcast and digital advertising agency specializing in mass tort and personal injury case acquisition.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 11 | 53 contacts → | ||||
Partial evidence “When law firms hit a plateau in their growth, they realize what got them here won’t take them to the next level.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 12 | 49 contacts → | ||||
Strong evidence “Above the Bar Marketing offers comprehensive digital marketing services specifically tailored for law firms.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 13 | 45 contacts → | ||||
Strong evidence “is a digital marketing agency that focuses entirely on helping law firms grow through expert SEO, Website Design, Google PPC, Local Service Ads (LSA) & Social Media Services.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 14 | 40 contacts → | ||||
Strong evidence “Elite Legal Marketing offers superior web design and digital marketing services for law firms and attorneys.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 15 | 38 contacts → | ||||
Partial evidence “Abogados NOW provides bilingual digital marketing solutions for attorneys looking to grow their firms via new markets.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 16 | 37 contacts → | ||||
Strong evidence “At Nifty Marketing, we help law firms grow through smart, results-driven digital marketing.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 17 | 35 contacts → | ||||
Strong evidence “17+ years driving legal marketing • Hundreds of millions managed in ad spend • Web Dev | SEO | Paid Search | Mass Torts • We get law firms cases-single event or mass tort •…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 18 | 34 contacts → | ||||
Strong evidence “Boost your solo or small law firm's online presence with Speakeasy Authority Marketing.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 19 | 33 contacts → | ||||
Indirect evidence “OVC, INC.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 20 | 33 contacts → | ||||
Strong evidence “Good2bSocial is the go-to partner for law firms, lawyers, and legal-centric businesses aiming to achieve superior ROI from their digital marketing efforts.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 21 | 30 contacts → | ||||
Strong evidence “We are the premier marketing partner for small to mid-size law firms.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 22 | 29 contacts → | ||||
Strong evidence “For more than 25 years, The Rainmaker Institute has helped law firms grow through integrated marketing, technology, and business development.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 23 | 28 contacts → | ||||
Strong evidence “InfoLawGroup LLP is a national boutique law firm with a laser focus on information governance – including privacy and data security matters – advertising and marketing, evolving…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 24 | 28 contacts → | ||||
Indirect evidence “With offices in the U.S.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 25 | 28 contacts → | ||||
Strong evidence “Mockingbird provides data-driven solutions to help solo attorneys and multi-state law firms create, measure and refine all aspects of their digital marketing.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
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: marketing compliance 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 marketing compliance law firms.
- Partial evidence
- Its own public description names part of marketing compliance law firms, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name marketing compliance 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 555 marketing compliance law firms based in the United States
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Marketing compliance law firms based in the United States at a glance
As of Sep 28, 2026Companies by employee count
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 555 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 marketing compliance 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 the United States whose own description of what they do matches “marketing compliance 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 marketing compliance 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 marketing compliance law firms, and records with no verified work email. Companies headquartered outside United States 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, 3,073 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 28, 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.
Marketing compliance law firms by metro
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 marketing compliance 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 marketing compliance law firms are there based in the United States?
RevenueBase identified 555 marketing compliance law firms headquartered in the 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?
Venable LLP, headquartered in Washington, tops this list with the largest team on record.
Which city has the most marketing compliance law firms?
New York leads with 30 headquartered companies, followed by Los Angeles (21) and Washington (18).
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 3,073 verified decision-maker contacts tracked across these 555 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 28, 2026.
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Marketing compliance law firms by geography
- Marketing compliance law firms based in Sao Paulo, Brazil
- Marketing compliance law firms based in London, United Kingdom
- Marketing compliance law firms based in New York, United States
- Marketing compliance law firms based in Australia
- Marketing compliance law firms based in Brazil
- Marketing compliance law firms based in Canada
- Marketing compliance law firms based in France
- Marketing compliance law firms based in Germany
- Marketing compliance law firms based in India
- Marketing compliance law firms based in Italy
- Marketing compliance law firms based in Mexico
- Marketing compliance law firms based in Poland
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.
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