Company lists · Data refreshed September 2026

Top 22 Startup law firms based in Washington, United States

RevenueBase identified 40 startup law firms headquartered in Washington, United States as of September 2026 and tracks 241 professional contacts across them, including 116 with verified work emails. New York is the largest hub.

This list covers startup 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 6, 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 6, 2026 86% judged on-target in blind review
40Companies
241Contacts tracked
116Verified emails
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The 22 largest startup law firms based in Washington, United States

Ranked by team size
Top 22 of 40 startup law firms based in Washington, United States, ranked by team size, largest first. Data refreshed Sep 6, 2026. RevenueBase Smart Search rates how each company's information relates to startup 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.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Partial evidenceWashington, DC, United StatesHQ checked Sep 6, 202651-20094 contacts →

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

Source: company website · checked Sep 6, 2026
2Partial evidenceWashington, DC, United StatesHQ checked Sep 6, 202611-5018 contacts →

“Cogent is a full-service business law firm serving clients throughout the United States.”

Source: company website · checked Sep 6, 2026
3Partial evidenceWashington, DC, United StatesHQ checked Sep 6, 202611-5013 contacts →

“Founded in February 2009, Mei & Mark LLP is a minority-owned law firm based in Washington, DC, and has been recognized as one of the Go-To Law Firms at the Top 500 Companies by…”

Source: company website · checked Sep 6, 2026
4Indirect evidenceWashington, DC, United StatesHQ checked Sep 6, 202611-5012 contacts →

“At Basswood Counsel, we believe that we should be as dynamic and growth-oriented as the companies we serve.”

Source: company website · checked Sep 6, 2026
5Partial evidenceWashington, DC, United StatesHQ checked Sep 6, 20261-105 contacts →

“LPJ Legal counsel small business owners, start-ups, entrepreneurs, and nonprofits.”

Source: company website · checked Sep 6, 2026
6Indirect evidenceWashington, DC, United StatesHQ checked Sep 6, 202611-504 contacts →

“Strain PLLC is a boutique Washington, D.C.”

Source: company website · checked Sep 6, 2026
7Indirect evidenceWashington, United StatesHQ checked Sep 6, 20261-103 contacts →
Source: company website · checked Sep 6, 2026
8Indirect evidenceWashington, United StatesHQ checked Sep 6, 202611-503 contacts →

“We exist to drive growth.”

Source: company website · checked Sep 6, 2026
9Indirect evidenceWashington, DC, United StatesHQ checked Sep 6, 20261-103 contacts →

“We serve as lawyers for innovators and underdogs: people building from the ground up, solving hard problems, or challenging the status quo.”

Source: company website · checked Sep 6, 2026
10Partial evidenceWashington, DC, United StatesHQ checked Sep 6, 20261-103 contacts →

“At the Law Office of Mohaimina Haque PLLC, we specialize in providing comprehensive legal solutions for businesses across various sectors, and individuals.”

Source: company website · checked Sep 6, 2026
11Indirect evidenceWashington, DC, United StatesHQ checked Sep 6, 20261-103 contacts →

“Business Organization Counseling, Formation, Governance, Regulatory Compliance, and Dispute Resolution Commercial contracts and transaction negotiation and drafting including…”

Source: company website · checked Sep 6, 2026
12Indirect evidenceWashington, United StatesHQ checked Sep 6, 20261-102 contacts →

“If you have been sued, or you want to sue a party that has harmed you, we can help.”

Source: company website · checked Sep 6, 2026
13Partial evidenceWashington, DC, United StatesHQ checked Sep 6, 20261-102 contacts →

“CapEx is a law firm focused on business and strategy, here for a single matter, to be a long-term partner through On-demand Chief Legal Officer services, and to help expand your…”

Source: company website · checked Sep 6, 2026
14Indirect evidenceWashington, DC, United StatesHQ checked Sep 6, 20261-102 contacts →

“We work with growing businesses and entrepreneurs that want strategic legal counsel.”

Source: company website · checked Sep 6, 2026
15Indirect evidenceWashington, DC, United StatesHQ checked Sep 6, 20261-102 contacts →

“Affordable Intellectual Property Litigation and Contingency Fee Litigation”

Source: company website · checked Sep 6, 2026
16Partial evidenceWashington, DC, United StatesHQ checked Sep 6, 20261-102 contacts →

“Founded in 2020, the Law Office of Attorney Ambur C.”

Source: company website · checked Sep 6, 2026
17Indirect evidenceWashington, UT, United StatesHQ checked Sep 6, 20261-101 contacts →

“Red Cliff Legal can help with entity formation, corporate governance, contract drafting & review, employment matters, policy creation, and intellectual property issues.”

Source: company website · checked Sep 6, 2026
18Partial evidenceWashington, DC, United StatesHQ checked Sep 6, 20261-101 contacts →

“Limelight Law helps clients with business law matters, contract drafting & negotiating, and obtaining & protecting intellectual property.”

Source: company website · checked Sep 6, 2026
19Indirect evidenceWashington, DC, United StatesHQ checked Sep 6, 20261-101 contacts →

“Outside General Counsel to Small Businesses and Non-Profit Organizations in the District of Columbia - Specializing in Business Formation, Incorporation, Business Licensing…”

Source: company website · checked Sep 6, 2026
20Strong evidenceWashington, DC, United StatesHQ checked Sep 6, 20261-101 contacts →

“A solo law firm focused on start-up law.”

Source: company website · checked Sep 6, 2026
21Strong evidenceWashington, DC, United StatesHQ checked Sep 6, 20261-101 contacts →

“Whether you are a new business just getting started or a multi-national company seeking assistance with reporting and restructure compliance, our team at 10K Law can solve even…”

Source: company website · checked Sep 6, 2026
22Indirect evidenceWashington, DC, United StatesHQ checked Sep 6, 20261-101 contacts →

“Ex Justitia is a Latin phrase meaning “according to justice,” or, more aptly here, “from justice.” The inspiration for the firm’s name was the United States Department of Justice…”

Source: company website · checked Sep 6, 2026

Showing 22 of 40 startup law firms based in Washington, United States

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Startup law firms based in Washington, United States at a glance

As of Sep 6, 2026
48.1%Verified-email coverage
6.0Average contacts per company
1-10Median size (employees)
357.5%Largest-city concentration · New York
Sep 6, 2026Page data refreshed

Companies by employee count

1-10
31
11-50
8
51-200
1

Email recency for this list is measured across the whole United States list rather than this city, so it is reported there. Company counts and contact totals on this page are exact for Washington, over 40 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 startup 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 “startup 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 startup 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 startup 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, 116 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 6, 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.

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 startup 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 startup law firms are there based in Washington, United States?

RevenueBase identified 40 startup 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?

Rothwell Figg, headquartered in Washington, tops this list with the largest team on record.

Which city has the most startup law firms?

New York leads with 143 headquartered companies, followed by San Francisco (71) and Los Angeles (64).

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 116 verified decision-maker contacts tracked across these 40 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 6, 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.