Company lists · Data refreshed November 2026

Top 25 Ad tech recruiters worldwide

Name: Ad tech recruiters worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 22,335 companies tracked

RevenueBase identified 22,335 company matches for ad tech recruiters worldwide as of November 2026 and tracks 249,643 professional contacts across them, including 47,847 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for ad tech recruiters worldwide, 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 November 6, 2026. Country and city lists for ad tech recruiters follow the table.

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.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built

22,335Companies

249,643Contacts tracked

47,847Verified emails

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The 25 largest ad tech recruiters worldwide

Ranked by team size

Top 25 of 22,335 company matches for ad tech recruiters worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Robert Half	Exact match	Menlo Park, CA, United StatesHQ recorded Nov 6, 2026	10001+	28,157 contacts →
	Exact match “At Robert Half, we prioritize your security-if you believe you've encountered a scam or fraudulent recruiter, please report it immediately to All Robert Half recruiters…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	24 Seven Talent	Exact match	NY, United StatesHQ recorded Nov 6, 2026	n/a	2,767 contacts →
	Exact match “24 Seven partners with companies to get marketing, creative, and digital work done by providing the right talent, innovation, and insights.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	Crossover	Exact match	Austin, TX, United StatesHQ recorded Nov 6, 2026	5,001-10,000	2,499 contacts →
	Exact match “Crossover is a global recruiting platform for a private group of US tech and education companies that only hire the top 1% of tech talent.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	Academic Work	Exact match	Stockholm, SwedenHQ recorded Nov 6, 2026	1,001-5,000	2,487 contacts →
	Exact match “At Academic Work, we believe that the right person in the right place is the catalyst for growth.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	GPAC	Exact match	Sioux Falls, SD, United StatesHQ recorded Nov 6, 2026	501-1,000	1,806 contacts →
	Exact match “gpac is the #1 digital recruitment platform, built on the belief that staffing is fundamentally a people business.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	Vietnamworks	Exact match	District 4, VietnamHQ recorded Nov 6, 2026	n/a	1,651 contacts →
	Exact match “Our Mission To help people achieve their dreams.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	Live Connections	Exact match	Chennai, IndiaHQ recorded Nov 6, 2026	501-1,000	1,501 contacts →
	Exact match “LIVE CONNECTIONS is a Search & Recruitment Organization that specializes in finding and placing professionals across all sectors.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	Harvey Nash	Exact match	London, United KingdomHQ recorded Nov 6, 2026	5,001-10,000	1,398 contacts →
	Exact match “We’re Harvey Nash, and we build amazing technology and digital teams.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	Pubmatic	Exact match	Redwood City, United StatesHQ recorded Nov 6, 2026	501-1,000	1,285 contacts →
	Exact match “PubMatic is the leading AI-powered ad tech company delivering digital advertising performance.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	Covenant Consultants	Exact match	Chennai, IndiaHQ recorded Nov 6, 2026	501-1,000	1,071 contacts →
	Exact match “Covenant Consultants is a premier recruitment firm with over 22 years of excellence in talent acquisition, placing candidates across 71+ industries.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	Studentconsulting	Exact match	Luleå, SwedenHQ recorded Nov 6, 2026	10001+	1,001 contacts →
	Exact match “We are one of the leading recruitment and staffing companies in Scandinavia, specialized in students, academics and young professionals.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	Self Opportunity, INC	Exact match	Lewisville, TX, United StatesHQ recorded Nov 6, 2026	n/a	988 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	Cornerstone Global Partners CGP Group	Exact match	Houston, TX, SingaporeHQ recorded Nov 6, 2026	201-500	887 contacts →
	Exact match “Founded in 2012, Cornerstone Global Partners (CGP Group) was built on a single core belief: world-class talent should never be limited by geography.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	CMI Career Management INC	Exact match	Vienna, VA, United StatesHQ recorded Nov 6, 2026	n/a	853 contacts →
	Exact match “CMI is the premier provider of Sales & Marketing search / recruiting for small to mid sized software & technology companies.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	recruiter.com	Exact match	New York, NY, United StatesHQ recorded Nov 6, 2026	n/a	706 contacts →
	Exact match “Recruiter.com is an OnDemand recruiting platform providing flexible talent acquisition solutions that scale from startups to the Fortune 100.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	RED Global	Exact match	London, United KingdomHQ recorded Nov 6, 2026	201-500	664 contacts →
	Exact match “25 years of tech recruitment!” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	GCS	Exact match	London, United KingdomHQ recorded Nov 6, 2026	n/a	626 contacts →
	Exact match “For over 30 years, GCS has been at the forefront of digital transformation, building vast global communities of innovators and placing them in businesses shaping tomorrow's world.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	Hiyamee	Exact match	Bangalore, IndiaHQ recorded Nov 6, 2026	1,001-5,000	625 contacts →
	Exact match “HiyaMee is a talent community where the world’s top talent meets the fastest growing companies.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	TNG	Exact match	Stockholm, SwedenHQ recorded Nov 6, 2026	201-500	599 contacts →
	Exact match “TNG, Talent Navigation Group, is the recruitment and staffing company that helps employers with talent acquisition – faster, bias-free, and with fresh perspectives that drive…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	Cybercoders	Exact match	Irvine, CA, United StatesHQ recorded Nov 6, 2026	201-500	554 contacts →
	Exact match “CyberCoders, a division of ASGN Incorporated, is a leading permanent placement recruiting firm.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	Affinity Global	Exact match	Chicago, IL, United StatesHQ recorded Nov 6, 2026	201-500	527 contacts →
	Exact match “Affinity is a leading global AdTech company, empowering publishers to maximize revenue and enabling advertisers to reach their ideal audiences.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	MONDO	Exact match	New York, CA, United StatesHQ recorded Nov 6, 2026	51-200	517 contacts →
	Exact match “As the largest, national staffing agency specializing exclusively in high-end, niche IT, Tech, and Digital Marketing talent, staffing is more than just our job.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	Appcast, INC	Exact match	Lebanon, NH, United StatesHQ recorded Nov 6, 2026	501-1,000	503 contacts →
	Exact match “Appcast is the award-winning, global leader in programmatic job advertising technology.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	SALT	Exact match	London, United KingdomHQ recorded Nov 6, 2026	201-500	486 contacts →
	Exact match “At Salt Solutions Group, we help organisations solve growth, transformation and workforce challenges through a unique combination of talent, consulting and delivery solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	VERVE	Exact match	New York, United StatesHQ recorded Nov 6, 2026	501-1,000	480 contacts →
	Exact match “Verve is a global leading advertising technology company, connecting advertisers seeking to buy digital ad space with publishers monetizing their content.” Recorded in the RevenueBase company graph · Nov 6, 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 “ad tech recruiters”. 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 22,335 ad tech recruiters worldwide

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Ad tech recruiters worldwide at a glance

As of Nov 6, 2026

19.2%Verified-email coverage

11.2Average contacts per company

1-10Median size (employees)

6.3%Largest-city concentration · London

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

15,052

11-50

5,538

51-200

1,279

201-500

270

501-1,000

1,001-5,000

5,001-10,000

10001+

Email recency is reported on each country list linked below.

How 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.
Coverage: Every country. Country and city lists for ad tech recruiters are linked below.
What qualifies: Company records worldwide whose business descriptions match “ad tech recruiters” 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. 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 47,847 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 November 6, 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.

Ad tech recruiters by location

132 lists · largest first

Every Ad tech recruiters list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

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 “ad tech recruiters”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many ad tech recruiters are there worldwide?

RevenueBase identified 22,335 company matches for ad tech recruiters worldwide as of November 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?

Robert Half tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most ad tech recruiters?

The United States leads with 5,076 companies, followed by the United Kingdom (2,948) and India (2,298). Every ad tech recruiters list by country and city is linked on this page.

Which city has the most ad tech recruiters?

London leads with 1405 company records, followed by New York (481) and Bangalore (340).

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 47,847 professional contacts with verified work emails tracked across these 22,335 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 November 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 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.