Company lists · Data refreshed September 2026
Top 25 Constitutional law firms based in Houston, United States
RevenueBase identified 64 company matches for constitutional law firms associated with Houston, United States as of September 2026 and tracks 650 professional contacts across them, including 294 with verified work emails and 228 with mobile numbers. Across the United States, New York is the largest hub for this category (152 companies); Houston has 63.
This list covers company matches for constitutional law firms associated with Houston, 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 8, 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.
The 25 largest constitutional law firms based in Houston, United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 208 contacts → | ||||
Exact match “For over 25 years, Johnson Law Group has been committed to delivering exceptional legal services with integrity, professionalism, and a client-focused approach.” Recorded in the RevenueBase company graph · Sep 8, 2026 · View company records in RevenueBase | |||||
| 2 | 87 contacts → | ||||
Exact match “Williams Hart & Boundas, LLP is a Houston-based personal injury law firm founded in 1985.” Recorded in the RevenueBase company graph · Sep 8, 2026 · View company records in RevenueBase | |||||
| 3 | 55 contacts → | ||||
Exact match “We work daily in the courts, legislatures and in the community to defend and preserve the individual rights and liberties guaranteed to every person in this country by the…” Recorded in the RevenueBase company graph · Sep 8, 2026 · View company records in RevenueBase | |||||
| 4 | 54 contacts → | ||||
Exact match “Facing legal challenges?” Recorded in the RevenueBase company graph · Sep 8, 2026 · View company records in RevenueBase | |||||
| 5 | 25 contacts → | ||||
Exact match “Coane and Associates, PLLC, was founded in 1983 to deliver the highest quality of legal services in employment and labor law, immigration law, civil and business litigation, and…” Recorded in the RevenueBase company graph · Sep 8, 2026 · View company records in RevenueBase | |||||
| 6 | 20 contacts → | ||||
Exact match “Sullo & Sullo, LLP Attorneys at Law is a privately held company established in by brothers Andrew and Greg Sullo.” Recorded in the RevenueBase company graph · Sep 8, 2026 · View company records in RevenueBase | |||||
| 7 | 12 contacts → | ||||
Exact match “Founded by veterans of big law firms, academic medical centers, and public company board rooms, Nichols Weitzner Thomas LLP leverages its knowledge and experience to counsel…” Recorded in the RevenueBase company graph · Sep 8, 2026 · View company records in RevenueBase | |||||
| 8 | 10 contacts → | ||||
Exact match “Gerger Hennessy Martin & Peterson represents clients in their most important and sensitive legal matters.” Recorded in the RevenueBase company graph · Sep 8, 2026 · View company records in RevenueBase | |||||
| 9 | 10 contacts → | ||||
Exact match “At Alonge Law Firm, we provide creative solutions to difficult legal problems.” Recorded in the RevenueBase company graph · Sep 8, 2026 · View company records in RevenueBase | |||||
| 10 | 9 contacts → | ||||
Exact match “With 20 years of dynamic experience, the Daniels Legals Group is a general practice firm with concentrations in Immigration Law, Family Law, Criminal Defense, and Personal…” Recorded in the RevenueBase company graph · Sep 8, 2026 · View company records in RevenueBase | |||||
| 11 | 7 contacts → | ||||
Exact match “The advice and representation we provide our clients is based on years of experience helping individuals and organizations deal with crises both large and small.” Recorded in the RevenueBase company graph · Sep 8, 2026 · View company records in RevenueBase | |||||
| 12 | 7 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 8, 2026 · View company records in RevenueBase | |||||
| 13 | 7 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 8, 2026 · View company records in RevenueBase | |||||
| 14 | 7 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 8, 2026 · View company records in RevenueBase | |||||
| 15 | 7 contacts → | ||||
Exact match “Clark Martin has a diverse background giving him a unique perspective he brings to every case.” Recorded in the RevenueBase company graph · Sep 8, 2026 · View company records in RevenueBase | |||||
| 16 | 7 contacts → | ||||
Exact match “We are a law firm and legal warriors who practice in the areas of personal injury, civil rights, business law, real estate, and tax strategy.” Recorded in the RevenueBase company graph · Sep 8, 2026 · View company records in RevenueBase | |||||
| 17 | 6 contacts → | ||||
Exact match “Leo & Oginni Trial Lawyers, PLLC is a Texas based firm with its principal office located in Houston, Texas.” Recorded in the RevenueBase company graph · Sep 8, 2026 · View company records in RevenueBase | |||||
| 18 | 6 contacts → | ||||
Exact match “The Giron Kirby Law Group is a full-service, multi-disciplinary law firm whose Texas attorneys provide quality, client-focused solutions to legal issues, big or small.” Recorded in the RevenueBase company graph · Sep 8, 2026 · View company records in RevenueBase | |||||
| 19 | 6 contacts → | ||||
Exact match “Steve Shellist is a fierce trial attorney.” Recorded in the RevenueBase company graph · Sep 8, 2026 · View company records in RevenueBase | |||||
| 20 | 6 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 8, 2026 · View company records in RevenueBase | |||||
| 21 | 6 contacts → | ||||
Exact match “A nationwide boutique law firm focusing solely on protecting the rights of federal employees and their families.” Recorded in the RevenueBase company graph · Sep 8, 2026 · View company records in RevenueBase | |||||
| 22 | 5 contacts → | ||||
Exact match “EVERY YEAR, UNITED STATES IMMIGRATION LAWS CHANGE AND BECOME MORE COMPLEX.” Recorded in the RevenueBase company graph · Sep 8, 2026 · View company records in RevenueBase | |||||
| 23 | 3 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 8, 2026 · View company records in RevenueBase | |||||
| 24 | 3 contacts → | ||||
Exact match “At the Schiffer Law Firm, Texas attorneys Paul and Jacob Schiffer together have over 45 years of combined legal experience and descend from a dynasty of American lawyers going…” Recorded in the RevenueBase company graph · Sep 8, 2026 · View company records in RevenueBase | |||||
| 25 | 3 contacts → | ||||
Exact match “Our firm works hard to protect your rights.” Recorded in the RevenueBase company graph · Sep 8, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “constitutional law firms”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 64 constitutional law firms based in Houston, United States
See the full list, filter by size, metro and specialty, and access 294 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Constitutional law firms based in Houston, United States at a glance
As of Sep 8, 2026Companies by employee count
Freshness & accuracy
How recently the business emails were verified and the company information checked
Email last verified
Median 10.5dCompany record updated
Median 66.0dHow 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 Houston, United States whose business descriptions match “constitutional 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 294 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 8, 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.
Constitutional law firms by metro in the United States
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 “constitutional law firms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many constitutional law firms are there based in Houston, United States?
RevenueBase identified 64 company matches for constitutional law firms associated with Houston, 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?
Johnson LAW Group tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city in the United States has the most constitutional law firms?
New York leads the United States with 152 company records, followed by Washington (94) and Los Angeles (72). Houston has 63.
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 294 professional contacts with verified work emails tracked across these 64 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 8, 2026.
Ready to reach these companies? Verified emails and direct dials for all 64 constitutional law firms based in Houston, United States. Start with a free account, no credit card.
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- Constitutional law firms based in the United Kingdom
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.
More company lists
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- Constitutional law firms based in the United States
- Constitutional law firms based in Brazil
- Constitutional law firms based in Spain
- Constitutional law firms based in Italy
- Constitutional law firms based in France
- Constitutional law firms based in Germany
Company intelligence · public preview
Top 25 constitutional law firms based in Houston, United States
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 64 matching company records for constitutional law firms based in Houston, United States, with 650 tracked contacts and 294 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 8, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 constitutional law firms based in Houston, United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Johnson LAW Groupjohnsonlawgroup.comHQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 208 contacts → |
“For over 25 years, Johnson Law Group has been committed to delivering exceptional legal services with integrity, professionalism, and a client-focused approach.” Recorded description excerpt · September 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Williams Hart & Boundas, LLPwhlaw.comHQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 87 contacts → |
“Williams Hart & Boundas, LLP is a Houston-based personal injury law firm founded in 1985.” Recorded description excerpt · September 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Aclu Of Texasaclutx.orgHQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 55 contacts → |
“We work daily in the courts, legislatures and in the community to defend and preserve the individual rights and liberties guaranteed to every person in this country by the…” Recorded description excerpt · September 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  The Gonzalez LAW Group, Pllcgonzalezlawgroup.netHQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 54 contacts → |
“Facing legal challenges?” Recorded description excerpt · September 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 25 contacts → |
“Coane and Associates, PLLC, was founded in 1983 to deliver the highest quality of legal services in employment and labor law, immigration law, civil and business litigation, and…” Recorded description excerpt · September 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Sullo & Sullo Attorneys At LAWsullolaw.comHQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 20 contacts → |
“Sullo & Sullo, LLP Attorneys at Law is a privately held company established in by brothers Andrew and Greg Sullo.” Recorded description excerpt · September 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Nichols Weitzner Thomas LLPnwtlaw.comHQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 12 contacts → |
“Founded by veterans of big law firms, academic medical centers, and public company board rooms, Nichols Weitzner Thomas LLP leverages its knowledge and experience to counsel…” Recorded description excerpt · September 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Gerger Hennessy Martin & Peterson, LLPghmfirm.comHQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 10 contacts → |
“Gerger Hennessy Martin & Peterson represents clients in their most important and sensitive legal matters.” Recorded description excerpt · September 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Alonge LAW Firmalongelaw.comHQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 10 contacts → |
“At Alonge Law Firm, we provide creative solutions to difficult legal problems.” Recorded description excerpt · September 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  The Daniels Legal Group, Pllcthedanielslegalgroup.comHQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 9 contacts → |
“With 20 years of dynamic experience, the Daniels Legals Group is a general practice firm with concentrations in Immigration Law, Family Law, Criminal Defense, and Personal…” Recorded description excerpt · September 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Drumheller, Hollingsworth & Monthy, LLPdhmlaw.comHQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 7 contacts → |
“The advice and representation we provide our clients is based on years of experience helping individuals and organizations deal with crises both large and small.” Recorded description excerpt · September 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Weinstein Tippetts & Littlewtllaw.com HQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 7 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 13 |  Rogers, Morris & Grover, L.L.Prmgllp.comHQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 7 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 14 |  Neel, Hooper & Banes, P.Cnhblaw.comHQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 7 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 15 |  The Martin LAW Firmwaltermartinlaw.comHQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 7 contacts → |
“Clark Martin has a diverse background giving him a unique perspective he brings to every case.” Recorded description excerpt · September 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Edwards Sutarwalla Samani LLPesslawpartners.comHQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 7 contacts → |
“We are a law firm and legal warriors who practice in the areas of personal injury, civil rights, business law, real estate, and tax strategy.” Recorded description excerpt · September 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  LEO & Oginni Trial Lawyers Pllchelpishere.lawHQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 6 contacts → |
“Leo & Oginni Trial Lawyers, PLLC is a Texas based firm with its principal office located in Houston, Texas.” Recorded description excerpt · September 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Giron Kirby LAW Groupgironkirbylaw.comHQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 6 contacts → |
“The Giron Kirby Law Group is a full-service, multi-disciplinary law firm whose Texas attorneys provide quality, client-focused solutions to legal issues, big or small.” Recorded description excerpt · September 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Shellist LAW Firmshellistlaw.comHQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 6 contacts → |
“Steve Shellist is a fierce trial attorney.” Recorded description excerpt · September 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Hilder & Associates, P.Childerlaw.comHQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 6 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 21 |  The Fedlaw LAW Firmfedemploymentattorneys.comHQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 6 contacts → |
“A nationwide boutique law firm focusing solely on protecting the rights of federal employees and their families.” Recorded description excerpt · September 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Guerra & Associates LAW Group, P.Cguerralawassociates.comHQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 5 contacts → |
“EVERY YEAR, UNITED STATES IMMIGRATION LAWS CHANGE AND BECOME MORE COMPLEX.” Recorded description excerpt · September 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Marks Richardson PCmarksrichardsonpc.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 3 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 24 |  Schiffer LAW Firmschifferlawfirm.comHQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 3 contacts → |
“At the Schiffer Law Firm, Texas attorneys Paul and Jacob Schiffer together have over 45 years of combined legal experience and descend from a dynasty of American lawyers going…” Recorded description excerpt · September 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Nguyen & KANnklaw.usHQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 3 contacts → |
“Our firm works hard to protect your rights.” Recorded description excerpt · September 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 64 company matches
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Constitutional law firms: dataset insights
September 8, 2026These summaries describe recorded coverage in this saved dataset. Coverage describes records in RevenueBase, rather than a census of every business in this market.
Reported company sizes
63 records in the displayed employee bands.
1 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Freshness & accuracy
How recently the business emails were verified and the company information checked
Email last verified
Median 10.5dCompany record updated
Median 66.0dHow this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
Coverage describes records in RevenueBase, rather than a census of every business in this market.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 8, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Constitutional law firms by metro in the United States
Questions about this company list
What does Exact match mean for constitutional law firms?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many constitutional law firms did RevenueBase find based in Houston, United States?
The saved snapshot records 64 matching company records, 650 tracked contacts and 294 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 8, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Constitutional law firms by geography
- Constitutional law firms based in the United States
- Constitutional law firms based in Brazil
- Constitutional law firms based in Spain
- Constitutional law firms based in Italy
- Constitutional law firms based in France
- Constitutional law firms based in Germany
- Constitutional law firms based in Mexico
- Constitutional law firms based in Canada
- Constitutional law firms based in the Netherlands
- Constitutional law firms based in Poland
- Constitutional law firms based in Argentina
- Constitutional law firms based in the United Kingdom
Cite this list
RevenueBase Data Team. Top 25 constitutional law firms based in Houston, United States. Snapshot: September 8, 2026. https://revenuebase.ai/companies/constitutional-law-firms/united-states/houston.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Constitutional law firms based in the United States
- Constitutional law firms based in Brazil
- Constitutional law firms based in Spain
- Constitutional law firms based in Italy
- Constitutional law firms based in France
- Constitutional law firms based in Germany
Company intelligence · public preview
Top 25 constitutional law firms based in Houston, United States
RevenueBase records 64 matching company records for constitutional law firms based in Houston, United States, with 650 tracked contacts and 294 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 8, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 constitutional law firms based in Houston, United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Johnson LAW Groupjohnsonlawgroup.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 208 contacts → |
“For over 25 years, Johnson Law Group has been committed to delivering exceptional legal services with integrity, professionalism, and a client-focused approach.” Recorded description excerpt · September 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Williams Hart & Boundas, LLPwhlaw.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 87 contacts → |
“Williams Hart & Boundas, LLP is a Houston-based personal injury law firm founded in 1985.” Recorded description excerpt · September 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Aclu Of Texasaclutx.org HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 55 contacts → |
“We work daily in the courts, legislatures and in the community to defend and preserve the individual rights and liberties guaranteed to every person in this country by the…” Recorded description excerpt · September 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | The Gonzalez LAW Group, Pllcgonzalezlawgroup.net HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 54 contacts → |
“Facing legal challenges?” Recorded description excerpt · September 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 25 contacts → |
“Coane and Associates, PLLC, was founded in 1983 to deliver the highest quality of legal services in employment and labor law, immigration law, civil and business litigation, and…” Recorded description excerpt · September 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Sullo & Sullo Attorneys At LAWsullolaw.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 20 contacts → |
“Sullo & Sullo, LLP Attorneys at Law is a privately held company established in by brothers Andrew and Greg Sullo.” Recorded description excerpt · September 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Nichols Weitzner Thomas LLPnwtlaw.com HQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 12 contacts → |
“Founded by veterans of big law firms, academic medical centers, and public company board rooms, Nichols Weitzner Thomas LLP leverages its knowledge and experience to counsel…” Recorded description excerpt · September 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Gerger Hennessy Martin & Peterson, LLPghmfirm.com HQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 10 contacts → |
“Gerger Hennessy Martin & Peterson represents clients in their most important and sensitive legal matters.” Recorded description excerpt · September 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Alonge LAW Firmalongelaw.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 10 contacts → |
“At Alonge Law Firm, we provide creative solutions to difficult legal problems.” Recorded description excerpt · September 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | The Daniels Legal Group, Pllcthedanielslegalgroup.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 9 contacts → |
“With 20 years of dynamic experience, the Daniels Legals Group is a general practice firm with concentrations in Immigration Law, Family Law, Criminal Defense, and Personal…” Recorded description excerpt · September 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Drumheller, Hollingsworth & Monthy, LLPdhmlaw.com HQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 7 contacts → |
“The advice and representation we provide our clients is based on years of experience helping individuals and organizations deal with crises both large and small.” Recorded description excerpt · September 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Weinstein Tippetts & Littlewtllaw.com HQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 7 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 13 | Rogers, Morris & Grover, L.L.Prmgllp.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 7 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 14 | Neel, Hooper & Banes, P.Cnhblaw.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 7 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 15 | The Martin LAW Firmwaltermartinlaw.com HQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 7 contacts → |
“Clark Martin has a diverse background giving him a unique perspective he brings to every case.” Recorded description excerpt · September 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Edwards Sutarwalla Samani LLPesslawpartners.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 7 contacts → |
“We are a law firm and legal warriors who practice in the areas of personal injury, civil rights, business law, real estate, and tax strategy.” Recorded description excerpt · September 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | LEO & Oginni Trial Lawyers Pllchelpishere.law HQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 6 contacts → |
“Leo & Oginni Trial Lawyers, PLLC is a Texas based firm with its principal office located in Houston, Texas.” Recorded description excerpt · September 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Giron Kirby LAW Groupgironkirbylaw.com HQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 6 contacts → |
“The Giron Kirby Law Group is a full-service, multi-disciplinary law firm whose Texas attorneys provide quality, client-focused solutions to legal issues, big or small.” Recorded description excerpt · September 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Shellist LAW Firmshellistlaw.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 6 contacts → |
“Steve Shellist is a fierce trial attorney.” Recorded description excerpt · September 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Hilder & Associates, P.Childerlaw.com HQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 6 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 21 | The Fedlaw LAW Firmfedemploymentattorneys.com HQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 6 contacts → |
“A nationwide boutique law firm focusing solely on protecting the rights of federal employees and their families.” Recorded description excerpt · September 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Guerra & Associates LAW Group, P.Cguerralawassociates.com HQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 5 contacts → |
“EVERY YEAR, UNITED STATES IMMIGRATION LAWS CHANGE AND BECOME MORE COMPLEX.” Recorded description excerpt · September 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Marks Richardson PCmarksrichardsonpc.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 3 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 24 | Schiffer LAW Firmschifferlawfirm.com HQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 3 contacts → |
“At the Schiffer Law Firm, Texas attorneys Paul and Jacob Schiffer together have over 45 years of combined legal experience and descend from a dynasty of American lawyers going…” Recorded description excerpt · September 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Nguyen & KANnklaw.us HQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 3 contacts → |
“Our firm works hard to protect your rights.” Recorded description excerpt · September 8, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 64 company matches
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Constitutional law firms: dataset insights
September 8, 2026These summaries describe recorded coverage in this saved dataset. Coverage describes records in RevenueBase, rather than a census of every business in this market.
Reported company sizes
63 records in the displayed employee bands.
1 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Freshness & accuracy
How recently the business emails were verified and the company information checked
Email last verified
Median 10.5dCompany record updated
Median 66.0dHow this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
Coverage describes records in RevenueBase, rather than a census of every business in this market.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 8, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Constitutional law firms by metro in the United States
Questions about this company list
What does Exact match mean for constitutional law firms?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many constitutional law firms did RevenueBase find based in Houston, United States?
The saved snapshot records 64 matching company records, 650 tracked contacts and 294 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 8, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 constitutional law firms based in Houston, United States. Snapshot: September 8, 2026. https://revenuebase.ai/companies/constitutional-law-firms/united-states/houston.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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