Company lists · Data refreshed September 2026
Top 25 Financial services compliance law firms based in Washington, United States
RevenueBase identified 62 financial services compliance law firms headquartered in Washington, United States as of September 2026 and tracks 5,149 professional contacts across them, including 3,574 with verified work emails. Across the United States, New York is the largest hub for this category (156 companies); Washington follows with 62.
This list covers financial services compliance law firms headquartered in Washington, 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 financial services compliance law firms based in Washington, United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 2,333 contacts → | ||||
Indirect evidence “Arnold & Porter combines sophisticated regulatory, litigation, and transactional capabilities to resolve clients’ most complex issues.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 2 | 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. | |||||
| 3 | 576 contacts → | ||||
Indirect evidence “Founded in 1983, Wiley is a dominant presence in the nation’s capital.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 4 | 73 contacts → | ||||
Partial evidence “Since 1977, Reno & Cavanaugh has been a national law firm dedicated to strengthening communities through strategic use of public and private resources.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 5 | 36 contacts → | ||||
Partial evidence “Tiber Hudson LLC is a boutique law firm focused in providing legal services including complex commercial litigation, complex commercial transactions, corporate structure and…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 6 | 31 contacts → | ||||
Strong evidence “Weiner Brodsky Kider PC is a Washington, D.C-based firm with a national practice focused on compliance, regulatory, transactional and litigation matters related to financial…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 7 | 30 contacts → | ||||
Partial evidence “At Buckley Sandler we focus on three key areas, financial services, government enforcement, and litigation, and do them exceptionally well.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 8 | 22 contacts → | ||||
Partial evidence “At Buckley we focus on three key areas, financial services, government enforcement, and litigation, and do them exceptionally well.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 9 | 21 contacts → | ||||
Strong evidence “Luse Gorman was founded in 1993 as a specialty law firm dedicated to representing financial institutions, with a particular emphasis on community banks.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 10 | 18 contacts → | ||||
Indirect evidence “Silver, Freedman, Taff & Tiernan LLP, is a preeminent legal services provider based in Washington, DC.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 11 | 16 contacts → | ||||
Partial evidence “A full-service business law firm, Veritas Law has expertise in corporate and transactional law, litigation, and licensing.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 12 | 15 contacts → | ||||
Indirect evidence “As a premier, D.C-based boutique firm, we regularly take on the government in high-stakes litigation and investigations.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 13 | 13 contacts → | ||||
Partial evidence “Since it was founded in 1993, LB3 has been the leading firm guiding large customers through a maze of legal, technical, financial, and regulatory issues to close world-class…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 14 | 11 contacts → | ||||
Indirect evidence “Jacobson Lopez is a white collar boutique in Washington, D.C.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 15 | 10 contacts → | ||||
Strong evidence “A Washington, DC based law firm with offices in New York and Miami focusing on international trade compliance & enforcement, white collar defense & litigation, international…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 16 | 9 contacts → | ||||
Partial evidence “Formerly known as Ruddy Law Office, Ruddy Gregory, PLLC ("Ruddy Gregory") is a Washington, DC based boutique law firm that provides legal advice to registered investment advisers…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 17 | 9 contacts → | ||||
Indirect evidence “Freeh Sporkin & Sullivan LLP was established by three former federal judges with decades of experience on the federal bench and at the highest levels of the U.S.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 18 | 5 contacts → | ||||
Indirect evidence “Lawyers and Consultants | Tier-1 Services Since 1799 | From the trade courts of the 19th-century Levant to the corridors of Washington D.C, Melbourne, Toronto, and Abu Dhabi…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 19 | 5 contacts → | ||||
Partial evidence “McIntyre & Lemon, PLLC helps clients efficiently navigate the complex maze of federal and state laws and regulations.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 20 | 3 contacts → | ||||
Partial evidence “MANTID INTERNATIONAL LLC is a compliance and business intelligence consulting firm.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 21 | 3 contacts → | ||||
Indirect evidence “Stonington Global, founded and chaired by renowned superlobbyist and attorney Nicolas D.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 22 | 3 contacts → | ||||
Strong evidence “Compliance Systems Legal Group (CSLG) was a boutique law firm that focused exclusively on corporate compliance, ethics and governance.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 23 | 3 contacts → | ||||
Partial evidence “At the Temple Law Offices, our team of experienced attorneys understand the complexity of the law and work tirelessly to represent our diverse, international client base.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 24 | 3 contacts → | ||||
Partial evidence “Edinger Associates PLLC is a boutique business and finance law and consulting firm based in Washington, DC, with a focus on mergers and acquisitions, exchanges, joint ventures…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 25 | 2 contacts → | ||||
Indirect evidence 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: financial services 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 financial services compliance law firms.
- Partial evidence
- Its own public description names part of financial services 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 financial services 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 62 financial services compliance law firms based in Washington, United States
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Financial services compliance law firms based in Washington, United States at a glance
As of Sep 28, 2026Companies by employee count
Email recency for this list is measured across the whole United States list rather than for Washington, so it is reported there. Company counts and contact totals on this page are exact for Washington, over 62 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 financial services 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 Washington, United States whose own description of what they do matches “financial services 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 financial services 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 financial services compliance law firms, and records with no verified work email. Companies headquartered outside Washington 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, 3,574 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.
Financial services compliance law firms by metro in the United States
- Financial services compliance law firms in New York156
- Financial services compliance law firms in Miami52
- Financial services compliance law firms in Chicago50
- Financial services compliance law firms in Dallas49
- Financial services compliance law firms in Los Angeles33
- Financial services compliance law firms in Atlanta32
- Financial services compliance law firms in Houston31
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 financial services 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 financial services compliance law firms are there based in Washington, United States?
RevenueBase identified 62 financial services compliance law firms headquartered in Washington, 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?
Arnold & Porter, headquartered in Washington, tops this list with the largest team on record.
Which city in the United States has the most financial services compliance law firms?
New York leads the United States with 156 headquartered companies, followed by Washington (62) and Miami (52).
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 3,574 verified decision-maker contacts tracked across these 62 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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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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