Company lists · Data refreshed August 2026
Top 25 Law firms based in Houston, United States
This directory lists 944 law firms based in Houston, United States, with 20,764 professional contacts and 11,814 email addresses. As of August 2026, New York is the single most-represented city among the companies listed.
Law firms are professional service organizations that provide legal advice, representation, and related services through licensed attorneys. This list covers companies that provide legal advice, legal representation, or related legal services through licensed attorneys. Ranked by team size, largest first. Data current as of August 31, 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 law firms based in Houston, United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 4,209 contacts → | ||||
Strong evidence “Mayer Brown is a leading international law firm, positioned to represent the world’s major corporations, funds and financial institutions in their most important and complex…” Source: RevenueBase Database · checked Aug 31, 2026Thanks. The Data Team will review it. | |||||
| 2 | 2,516 contacts → | ||||
Strong evidence “Husch Blackwell is a different kind of law firm–structured around our clients’ industries and built on a culture of selfless service.” Source: RevenueBase Database · checked Aug 31, 2026Thanks. The Data Team will review it. | |||||
| 3 | 1,639 contacts → | ||||
Indirect evidence “It’s more than what you do: it’s how you do it.” Source: RevenueBase Database · checked Aug 31, 2026Thanks. The Data Team will review it. | |||||
| 4 | 1,215 contacts → | ||||
Indirect evidence “In more than 100 years of practice, Steptoe* has earned an international reputation for vigorous representation of clients before governmental agencies, successful advocacy in…” Source: RevenueBase Database · checked Aug 31, 2026Thanks. The Data Team will review it. | |||||
| 5 | 850 contacts → | ||||
Strong evidence “Freeman Mathis & Gary, LLP is a nationally recognized Am Law 200 law firm with over 500 attorneys servicing clients in 37 offices and 21 states.” Source: RevenueBase Database · checked Aug 31, 2026Thanks. The Data Team will review it. | |||||
| 6 | 693 contacts → | ||||
Indirect evidence “Thomas J.” Source: RevenueBase Database · checked Aug 31, 2026Thanks. The Data Team will review it. | |||||
| 7 | 401 contacts → | ||||
Indirect evidence “Andrews Kurth Kenyon LLP and Hunton & Williams LLP began operating as Hunton Andrews Kurth on April 2, 2018.” Source: RevenueBase Database · checked Aug 31, 2026Thanks. The Data Team will review it. | |||||
| 8 | 315 contacts → | ||||
Strong evidence “Munsch Hardt Kopf & Harr, P.C.(Munsch Hardt) is a Texas-based, mid-sized, full-service law Firm with more than 170 attorneys in Austin, Dallas, Fort Worth, and Houston.” Source: RevenueBase Database · checked Aug 31, 2026Thanks. The Data Team will review it. | |||||
| 9 | 313 contacts → | ||||
Strong evidence “As a full-service Texas law firm with a comprehensive range of litigation and transactional practice groups, Gray Reed's 150 attorneys focus on understanding our clients'…” Source: RevenueBase Database · checked Aug 31, 2026Thanks. The Data Team will review it. | |||||
| 10 | 269 contacts → | ||||
Strong evidence “Schouest, Bamdas, Soshea & BenMaier PLLC is a law firm focused on your needs.” Source: RevenueBase Database · checked Aug 31, 2026Thanks. The Data Team will review it. | |||||
| 11 | 228 contacts → | ||||
Strong evidence “Porter Hedges is recognized as one of the premier business law firms based in Houston.” Source: RevenueBase Database · checked Aug 31, 2026Thanks. The Data Team will review it. | |||||
| 12 | 202 contacts → | ||||
Strong evidence “For over 25 years, Johnson Law Group has been committed to delivering exceptional legal services with integrity, professionalism, and a client-focused approach.” Source: RevenueBase Database · checked Aug 31, 2026Thanks. The Data Team will review it. | |||||
| 13 | 199 contacts → | ||||
Strong evidence “Forman Watkins & Krutz LLP is one of the nation's most respected trial law firms, representing prominent corporate clients in multi-district tort claims as well as other…” Source: RevenueBase Database · checked Aug 31, 2026Thanks. The Data Team will review it. | |||||
| 14 | 161 contacts → | ||||
Strong evidence “Founded in 1933, Mound Cotton Wollan & Greengrass LLP is among the oldest and most respected law firms in New York City, offering preeminent legal services in a wide array of…” Source: RevenueBase Database · checked Aug 31, 2026Thanks. The Data Team will review it. | |||||
| 15 | 146 contacts → | ||||
Strong evidence “With strong Texas roots and a reputation for success in high-stakes litigation, Fee, Smith & Sharp is a national law firm providing incisive, industry-leading business, legal and…” Source: RevenueBase Database · checked Aug 31, 2026Thanks. The Data Team will review it. | |||||
| 16 | 134 contacts → | ||||
Indirect evidence “Litigation, compliance and investigations: It's what we do, day in and day out.” Source: RevenueBase Database · checked Aug 31, 2026Thanks. The Data Team will review it. | |||||
| 17 | 119 contacts → | ||||
Indirect evidence “From the major disasters that you see on the news to the incidents that you may never hear about.” Source: RevenueBase Database · checked Aug 31, 2026Thanks. The Data Team will review it. | |||||
| 18 | 116 contacts → | ||||
Indirect evidence “Talented, Tough and Courtroom-Tested Ahmad, Zavitsanos & Mensing, or AZA, is first and foremost a trial firm.” Source: RevenueBase Database · checked Aug 31, 2026Thanks. The Data Team will review it. | |||||
| 19 | 107 contacts → | ||||
Strong evidence “Proud to call Texas home for more than 25 years, Andrews Myers is a corporate-focused law firm renowned for our proactive and practical approach to business and celebrated for our…” Source: RevenueBase Database · checked Aug 31, 2026Thanks. The Data Team will review it. | |||||
| 20 | 92 contacts → | ||||
Strong evidence “Crain Caton & James has several practice areas including: • Appellate • Banking and Financial Services • Bankruptcy and Creditor Rights • Commercial Litigation • Construction Law…” Source: RevenueBase Database · checked Aug 31, 2026Thanks. The Data Team will review it. | |||||
| 21 | 90 contacts → | ||||
Strong evidence “Osha Bergman Watanabe & Burton LLP (OBWB) is a full-service intellectual property law firm with a global reach.” Source: RevenueBase Database · checked Aug 31, 2026Thanks. The Data Team will review it. | |||||
| 22 | 90 contacts → | ||||
Indirect evidence “For over 50 years, Houston, Texas based HooverSlovacek LLP has been helping clients with dynamic, cost efficient, result driven representation.” Source: RevenueBase Database · checked Aug 31, 2026Thanks. The Data Team will review it. | |||||
| 23 | 87 contacts → | ||||
Strong evidence “Williams Hart & Boundas, LLP is a Houston-based personal injury law firm founded in 1985.” Source: RevenueBase Database · checked Aug 31, 2026Thanks. The Data Team will review it. | |||||
| 24 | 85 contacts → | ||||
Strong evidence “Kuiper Law Firm has established itself as a trusted legal partner for businesses across diverse industries.” Source: RevenueBase Database · checked Aug 31, 2026Thanks. The Data Team will review it. | |||||
| 25 | 84 contacts → | ||||
Indirect evidence “Since 1951, Abraham Watkins has served individuals and families across Houston and Texas in serious personal injury matters.” Source: RevenueBase Database · checked Aug 31, 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: 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 law firms.
- Partial evidence
- Its own public description names part of law firms, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name 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 944 law firms based in Houston, United States
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Law firms based in Houston, United States at a glance
As of Aug 31, 2026Companies by employee count
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 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 Houston, United States whose own description of what they do matches “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 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 law firms, and records with no verified work email. Companies headquartered outside Houston 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, 11,814 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 August 31, 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.
Law firms by metro in the United States
- Law firms in New York2060
- Law firms in Los Angeles993
- Law firms in Chicago956
- Law firms in Houston948
- Law firms in Atlanta668
- Law firms in Dallas655
- Law firms in Miami636
- Law firms in Washington552
Frequently asked
How many law firms are listed based in Houston, United States?
The directory includes 944 law firms based in Houston, United States as of August 2026.
Where are most of the listed law firms located?
New York is the single most-represented city among the law firms on the list.
How many contacts and email addresses are available for these law firms?
The list includes 20,764 professional contacts and 11,814 email addresses for the listed law firms.
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Law firms by geography
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- Law firms based in France
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- Law firms based in Italy
- Law firms based in Australia
- Law firms based in Mexico
- Law firms based in the Netherlands
- 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.