Company lists · Data refreshed September 2026
Top 25 Ad tech recruitment firms based in Houston, United States
RevenueBase identified 135 ad tech recruitment firms headquartered in Houston, United States as of September 2026 and tracks 1,945 professional contacts across them, including 275 with verified work emails. New York is the largest hub.
This list covers ad tech recruitment firms headquartered in Houston, 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 27, 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 ad tech recruitment firms based in Houston, United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 766 contacts → | ||||
Indirect evidence “Primary Services provides job opportunities for Accounting/Financial, Information Technology, HR, Recruiting, Marketing, Procurement, Call Center and Administrative professionals.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 2 | 312 contacts → | ||||
Partial evidence “Ktek Resourcing is a global staffing and recruitment firm specializing in IT, engineering, and professional services.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 3 | 61 contacts → | ||||
Indirect evidence “Professional Alternatives has operated as one of the most award-winning recruiting firms in the nation for 25+ years.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 4 | 56 contacts → | ||||
Indirect evidence “Optimus was founded in March 2004 by energy industry veterans.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 5 | 34 contacts → | ||||
Partial evidence “JobSparx is a recruitment advertising platform powered by real people and smart technology-offering hands-on support to help your job postings reach the right candidates.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 6 | 33 contacts → | ||||
Indirect evidence “At Adroit Partners, we are driven to provide the talent our clients require to exceed their objectives through a personal approach.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 7 | 33 contacts → | ||||
Indirect evidence “NRT Group is committed to helping you find top sales individuals in your industry.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 8 | 31 contacts → | ||||
Partial evidence “We're experts in finding specialist IT talent for tech-led organizations.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 9 | 23 contacts → | ||||
Indirect evidence “Through its four divisions: Search Finance, Search Technology, Search Support, and Search AI, Search Services is firmly established as the premier recruiting and staffing agency…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 10 | 22 contacts → | ||||
Indirect evidence “We are a top IT recruiting company that provides innovative solutions to match you with the top talents across the globe.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 11 | 20 contacts → | ||||
Indirect evidence “The right people make all the difference.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 12 | 19 contacts → | ||||
Indirect evidence “We are a recruiting firm specialized in delivering best-fit job placements by spending in depth one-on-one time with each candidate to ensure their success as well as providing…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 13 | 13 contacts → | ||||
Indirect evidence “BRC helps startups and growth-stage companies hire top sales, marketing, customer success, and revenue leaders faster.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 14 | 12 contacts → | ||||
Indirect evidence “We are a recruiting company specializing in sales and cybersecurity.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 15 | 11 contacts → | ||||
Partial evidence “Providing High Caliber Talent When The Mission Is Critical Galaxy Technology Hires is an engineering and technology recruitment firm, headquartered in Houston, Texas, with a small…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 16 | 11 contacts → | ||||
Indirect evidence “Clearpoint is the staffing partner of choice for Houston’s top employers.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 17 | 10 contacts → | ||||
Indirect evidence “StaffMode's mission is to be an innovated leader, committed to finding new ways to leverage software, strategy, and creative sourcing practices to partner with our clients.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 18 | 10 contacts → | ||||
Indirect evidence “Quality Contax Inc, founded in 2002, located in Houston, Texas specializes in IT recruiting for emerging industry leaders who are building modern technology capabilities rapidly…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 19 | 9 contacts → | ||||
Partial evidence “Welcome to Calderwood Search Partners, a boutique recruitment firm specializing in candidate-focused services across North America’s technology sector.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 20 | 9 contacts → | ||||
Indirect evidence “Our Purpose & Chief Aim is to help Technology Companies build productive sales departments, by finding the right Sales People, Systems Engineers and Sales Managers, who can meet…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 21 | 8 contacts → | ||||
Indirect evidence “Welcome to RSGV Services, where talent meets opportunity and innovation fuels success.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 22 | 7 contacts → | ||||
Indirect evidence “Lucid Ventures Group was founded on the principles of integrity, innovation, and excellence.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 23 | 7 contacts → | ||||
Indirect evidence “You want to do whatever it takes to attract and retain the best quality people.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 24 | 7 contacts → | ||||
Indirect evidence “Growth360Partners is a minority owned Full-Service International Digital Marketing Agency situated in South Florida.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 25 | 7 contacts → | ||||
Partial evidence “Boutique Recruitment company focused in IT, Hospitality, Restaurant, Retail, Manufacturing and Healthcare industry.” Source: RevenueBase Database · checked Sep 27, 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: ad tech recruitment 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 ad tech recruitment firms.
- Partial evidence
- Its own public description names part of ad tech recruitment firms, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name ad tech recruitment 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 135 ad tech recruitment firms based in Houston, United States
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Ad tech recruitment firms based in Houston, United States at a glance
As of Sep 27, 2026Companies by employee count
Email recency for this list is measured across the whole United States list rather than for Houston, so it is reported there. Company counts and contact totals on this page are exact for Houston, over 135 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 ad tech recruitment 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 “ad tech recruitment 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 ad tech recruitment 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 ad tech recruitment 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, 275 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 27, 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.
Ad tech recruitment firms by metro in the United States
- Ad tech recruitment firms in New York552
- Ad tech recruitment firms in Los Angeles215
- Ad tech recruitment firms in San Francisco164
- Ad tech recruitment firms in Austin152
- Ad tech recruitment firms in Chicago152
- Ad tech recruitment firms in Houston135
- Ad tech recruitment firms in Miami127
- Ad tech recruitment firms in Atlanta123
- Ad tech recruitment firms in Dallas105
- Ad tech recruitment firms in Sheridan87
- Ad tech recruitment firms in Boston85
- Ad tech recruitment firms in Denver80
- Ad tech recruitment firms in San Diego64
- Ad tech recruitment firms in Phoenix51
- Ad tech recruitment firms in Seattle51
- Ad tech recruitment firms in Las Vegas49
- Ad tech recruitment firms in Orlando48
- Ad tech recruitment firms in Tampa48
- Ad tech recruitment firms in Charlotte42
- Ad tech recruitment firms in San Jose41
- Ad tech recruitment firms in Philadelphia40
- Ad tech recruitment firms in Portland38
- Ad tech recruitment firms in Wilmington35
- Ad tech recruitment firms in Washington34
- Ad tech recruitment firms in Nashville32
- Ad tech recruitment firms in Irvine31
- Ad tech recruitment firms in Dover30
- Ad tech recruitment firms in New York City29
- Ad tech recruitment firms in Scottsdale29
- Ad tech recruitment firms in San Antonio28
- Ad tech recruitment firms in Plano27
- Ad tech recruitment firms in Indianapolis25
- Ad tech recruitment firms in Minneapolis25
- Ad tech recruitment firms in Newport Beach25
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 ad tech recruitment 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 ad tech recruitment firms are there based in Houston, United States?
RevenueBase identified 135 ad tech recruitment firms headquartered in Houston, 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?
Primary Services, headquartered in Houston, tops this list with the largest team on record.
Which city has the most ad tech recruitment firms?
New York leads with 552 headquartered companies, followed by Los Angeles (215) and San Francisco (164).
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 275 verified decision-maker contacts tracked across these 135 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 27, 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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