> Enrich.chat gives AI agents verified work emails and mobiles. To use it from an agent, read https://enrich.chat/agents.md . This is the Markdown version of https://enrich.chat/companies-in/houston-tx/business-consulting-and-services/ # Consulting Firms in Houston, TX The bigger consulting firms headquartered in Houston, TX, with what they do, their sizes and how to reach their people. By Enrich.chat Editorial. Updated October 22, 2026. **Short answer:** Among the consulting firms counted in Houston, TX, the biggest by headcount range include Searce, Alliantgroup and Lummus Technology. They are mostly very small: 75% have 50 or fewer employees. ## Which consulting firms are in Houston? Among the companies whose public profile lists Business Consulting and Services as their industry and Houston, TX as their headquarters, the biggest by headcount range include Searce, Alliantgroup, Lummus Technology, Rimkus and Arthur Lawrence. Names link to a company profile where we have one. | Company | Employees | | --- | --- | | Searce | 1,001 to 5,000 | | Alliantgroup | 1,001 to 5,000 | | Lummus Technology | 1,001 to 5,000 | | Rimkus | 1,001 to 5,000 | | Arthur Lawrence | 501 to 1,000 | | Optmal Services | 501 to 1,000 | | Allied Reliability | 201 to 500 | | Opportune | 201 to 500 | | Mre Consulting | 201 to 500 | | Stellium | 201 to 500 | | Endeavor Management | 201 to 500 | | Blu Power Solutions | 201 to 500 | | Expert Cost Segregation | 201 to 500 | | Happy Financial Solutions | 201 to 500 | | Sgs Consulting Group | 201 to 500 | | The Lab Consulting | 51 to 200 | | Softway | 51 to 200 | | Chief Outsiders | 51 to 200 | | Epma | 51 to 200 | | Safal Partners | 51 to 200 | | Nextant | 51 to 200 | | Brand Blinks Global | 51 to 200 | | Labtopia | 51 to 200 | | Wm Synergy | 51 to 200 | | Growth Pods | 51 to 200 | The table shows the 25 biggest by headcount range, with ties broken by audience size. The charts and percentages below cover every company counted for this page, not just these 25, and companies with fewer than 11 employees are not counted. Headquarters is the location on each company's public profile. ## What do consulting firms in Houston do? Business Consulting and Services is a broad label. The most common NAICS codes among them are 541611 (29%), 541618 (27%) and 541511 (6%). **Figure: What consulting firms in Houston do.** Bars for the share of counted consulting firms with each code: 541611 29%, 541618 27%, 541511 6%, 541612 4%. *Share of counted consulting firms in Houston by their NAICS code.* [NAICS 541511](https://enrich.chat/naics/541511/) ## How big are they? 75% of the consulting firms counted in Houston have 50 or fewer employees, and the middle one is in the 11 to 50 range. Companies with fewer than 11 employees are not counted. **Figure: Size of consulting firms in Houston.** Seven columns for the share of counted consulting firms in Houston in each employee range: 11 to 50 75%, 51 to 200 21%, 201 to 500 3%, 501 to 1,000 1%, 1,001 to 5,000 1%, 5,001 to 10,000 0%, 10,001+ 0%. *Share of counted consulting firms in Houston in each employee range.* ## How old are they? Most were founded in the 2010s (44%), then the 2020s (23%). **Figure: When consulting firms in Houston were founded.** Eight columns for the share of counted consulting firms in Houston founded in each era: Before 1960 0%, 1960s 0%, 1970s 1%, 1980s 4%, 1990s 8%, 2000s 19%, 2010s 44%, 2020s 23%. *Share of counted consulting firms in Houston by the era they were founded in, for the ones that list a founding year.* ## How consulting firms compare - 68% were founded in 2010 or later, against 54% across other cities on this site. ## How do you reach the people at consulting firms in Houston? The people to talk to are usually partners, practice leaders and heads of operations. Build the list in three prompts to your AI agent. ### 1. Count them (free) Counting who matches never uses credits. ```text Use www.enrich.chat to count the consulting firms in Houston, TX ``` ### 2. Find the people (5 credits per person) Name the roles you sell to. Each person returned is 5 credits, and name, title and company are included. ```text Use www.enrich.chat to find the partners, practice leaders and heads of operations at consulting firms in Houston, TX, with their titles ``` ### 3. Get their work emails (10 credits each) An email is 10 credits only when one is found. Every email comes with a status: verified, catch-all or unknown. ```text Use www.enrich.chat to find the work emails for these people and tell me which ones are verified ``` ## More to explore Other industries in Houston: [Oil and Gas Companies](https://enrich.chat/companies-in/houston-tx/oil-and-gas/)[Construction Companies](https://enrich.chat/companies-in/houston-tx/construction/)[IT Services Companies](https://enrich.chat/companies-in/houston-tx/it-services-and-it-consulting/)[Real Estate Companies](https://enrich.chat/companies-in/houston-tx/real-estate/)[Hospitals and Health Care Organizations](https://enrich.chat/companies-in/houston-tx/hospitals-and-health-care/)[Software Companies](https://enrich.chat/companies-in/houston-tx/software-development/)[Financial Services Companies](https://enrich.chat/companies-in/houston-tx/financial-services/)[Advertising Agencies](https://enrich.chat/companies-in/houston-tx/advertising-services/)[Staffing and Recruiting Firms](https://enrich.chat/companies-in/houston-tx/staffing-and-recruiting/)[Nonprofit Organizations](https://enrich.chat/companies-in/houston-tx/non-profit-organizations/)[Logistics and Supply Chain Companies](https://enrich.chat/companies-in/houston-tx/transportation-logistics-supply-chain-and-storage/)[Law Firms](https://enrich.chat/companies-in/houston-tx/law-practice/)[Insurance Companies](https://enrich.chat/companies-in/houston-tx/insurance/)[Trucking Companies](https://enrich.chat/companies-in/houston-tx/truck-transportation/)[Facilities Services Companies](https://enrich.chat/companies-in/houston-tx/facilities-services/)[Legal Services Firms](https://enrich.chat/companies-in/houston-tx/legal-services/)[Manufacturers](https://enrich.chat/companies-in/houston-tx/manufacturing/)[Wholesale Distributors](https://enrich.chat/companies-in/houston-tx/wholesale/)[Technology and Internet Companies](https://enrich.chat/companies-in/houston-tx/technology-information-and-internet/)[All of Houston](https://enrich.chat/companies-in/houston-tx/) Consulting Firms in other cities: [New York, NY](https://enrich.chat/companies-in/new-york-ny/business-consulting-and-services/)[Chicago, IL](https://enrich.chat/companies-in/chicago-il/business-consulting-and-services/)[Washington, DC](https://enrich.chat/companies-in/washington-dc/business-consulting-and-services/)[Atlanta, GA](https://enrich.chat/companies-in/atlanta-ga/business-consulting-and-services/)[Los Angeles, CA](https://enrich.chat/companies-in/los-angeles-ca/business-consulting-and-services/)[Miami, FL](https://enrich.chat/companies-in/miami-fl/business-consulting-and-services/)[Austin, TX](https://enrich.chat/companies-in/austin-tx/business-consulting-and-services/)[Dallas, TX](https://enrich.chat/companies-in/dallas-tx/business-consulting-and-services/)[San Francisco, CA](https://enrich.chat/companies-in/san-francisco-ca/business-consulting-and-services/)[Boston, MA](https://enrich.chat/companies-in/boston-ma/business-consulting-and-services/) ## Frequently asked questions ### Which are the biggest consulting firms in Houston? Among those counted, they include Searce, Alliantgroup, Lummus Technology, Rimkus and Arthur Lawrence, ranked by headcount range. ### How big are consulting firms in Houston? 75% of those counted have 50 or fewer employees, and the middle one is in the 11 to 50 range. Companies with fewer than 11 employees are not counted. ### Which companies count as business consulting and services? Companies whose public profile lists Business Consulting and Services as their industry and whose headquarters are in Houston, TX. ## Try this prompt Find the people at consulting firms in Houston ```text Use www.enrich.chat to find the partners, practice leaders and heads of operations at consulting firms in Houston, TX, with titles and verified work emails ``` ## Related - [Companies using a technology](https://enrich.chat/companies-using/) - [Oil and Gas Companies in Houston](https://enrich.chat/companies-in/houston-tx/oil-and-gas/) - [Construction Companies in Houston](https://enrich.chat/companies-in/houston-tx/construction/) - [IT Services Companies in Houston](https://enrich.chat/companies-in/houston-tx/it-services-and-it-consulting/) - [Real Estate Companies in Houston](https://enrich.chat/companies-in/houston-tx/real-estate/) - [Consulting Firms in New York](https://enrich.chat/companies-in/new-york-ny/business-consulting-and-services/) - [Consulting Firms in Chicago](https://enrich.chat/companies-in/chicago-il/business-consulting-and-services/) - [Consulting Firms in Washington, DC](https://enrich.chat/companies-in/washington-dc/business-consulting-and-services/) - [Consulting Firms in Atlanta](https://enrich.chat/companies-in/atlanta-ga/business-consulting-and-services/) - [Tech stack lookup](https://enrich.chat/tools/tech-stack-lookup/)