Company lists · Data refreshed September 2026

Top 25 Applicant tracking system companies worldwide

Name: Applicant tracking system companies worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 19, 2026 3,855 companies tracked

RevenueBase identified 3,855 applicant tracking system companies worldwide as of September 2026 and tracks 59,117 professional contacts across them, including 13,365 with verified work emails. The United States is the largest market and London the largest hub.

This list covers applicant tracking system companies worldwide, 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 19, 2026. Country and city lists for applicant tracking system companies follow the table.

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.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 19, 2026 86% judged on-target in blind review

3,855Companies

59,117Contacts tracked

13,365Verified emails

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The 25 largest applicant tracking system companies worldwide

Ranked by team size

Top 25 of 3,855 applicant tracking system companies worldwide, ranked by team size, largest first. Data refreshed Sep 19, 2026. RevenueBase Smart Search rates how each company's information relates to applicant tracking system companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Optimhire	Indirect evidence	San Francisco, CA, United StatesHQ checked Sep 19, 2026	n/a	1,744 contacts →
	Indirect evidence “Job Seekers: Land interviews faster OptimHire’s Job Auto-Applier applies to relevant jobs for you-24/7, hands-free.” Source: RevenueBase Database · checked Sep 19, 2026
2	HIBOB	Indirect evidence	New York, NY, United StatesHQ checked Sep 19, 2026	1,001-5,000	1,669 contacts →
	Indirect evidence “HiBob is on a mission to transform how organizations operate in the modern world of work with its HR platform,"Bob." Leading the way for the future workplace, Bob offers…” Source: RevenueBase Database · checked Sep 19, 2026
3	Avature	Indirect evidence	New York, NY, United StatesHQ checked Sep 19, 2026	1,001-5,000	1,535 contacts →
	Indirect evidence “Pioneer of CRM technology for recruiting, Avature is a highly configurable enterprise SaaS platform for talent acquisition and talent management that drives innovation in the HCM…” Source: RevenueBase Database · checked Sep 19, 2026
4	Bizreach, INC	Indirect evidence	Shibuya-ku, JapanHQ checked Sep 19, 2026	1,001-5,000	1,197 contacts →
	Indirect evidence “20094 HRMOS20OB/OG 20202VisionalHR TechSaaS” Source: RevenueBase Database · checked Sep 19, 2026
5	Radancy	Indirect evidence	New York, NY, United StatesHQ checked Sep 19, 2026	1,001-5,000	1,062 contacts →
	Indirect evidence “At Radancy, we’re delivering the future of hiring.” Source: RevenueBase Database · checked Sep 19, 2026
6	Akal Information Systems LTD	Partial evidence	New Delhi, IndiaHQ checked Sep 19, 2026	1,001-5,000	1,012 contacts →
	Partial evidence “AKAL Information Systems Ltd is a leading software and business services company with over 25 years of experience, dedicated to transform Indian Human Resource landscape through…” Source: RevenueBase Database · checked Sep 19, 2026
7	Greenhouse Software	Indirect evidence	New York, NY, United StatesHQ checked Sep 19, 2026	501-1,000	854 contacts →
	Indirect evidence “Greenhouse is the all-together hiring platform, giving companies of all sizes everything they need to hire better.” Source: RevenueBase Database · checked Sep 19, 2026
8	Smartrecruiters	Indirect evidence	San Francisco, CA, United StatesHQ checked Sep 19, 2026	501-1,000	606 contacts →
	Indirect evidence “SmartRecruiters was founded on the bold belief that great companies are built through great hiring.” Source: RevenueBase Database · checked Sep 19, 2026
9	Teamtailor	Indirect evidence	Stockholm, SwedenHQ checked Sep 19, 2026	501-1,000	578 contacts →
	Indirect evidence “More than just an ATS, Teamtailor is the all-in-one recruitment software that companies and candidates love.” Source: RevenueBase Database · checked Sep 19, 2026
10	Appcast, INC	Indirect evidence	Lebanon, NH, United StatesHQ checked Sep 19, 2026	501-1,000	511 contacts →
	Indirect evidence “Appcast is the award-winning, global leader in programmatic job advertising technology.” Source: RevenueBase Database · checked Sep 19, 2026
11	Paradox	Indirect evidence	Scottsdale, AZ, United StatesHQ checked Sep 19, 2026	501-1,000	501 contacts →
	Indirect evidence “We believe in a world where all the friction that gets in the way of hiring is replaced by conversations, freeing people up to spend time with people, not software.” Source: RevenueBase Database · checked Sep 19, 2026
12	TMP Worldwide	Indirect evidence	New York, NY, United StatesHQ checked Sep 19, 2026	501-1,000	453 contacts →
	Indirect evidence “We’re proud to say that TMP Worldwide is a future-focused company with an amazing track record of delivering for clients and a rich heritage of industry firsts.” Source: RevenueBase Database · checked Sep 19, 2026
13	Employ	Indirect evidence	Denver, CO, United StatesHQ checked Sep 19, 2026	501-1,000	409 contacts →
	Indirect evidence “Employ is the only company that gives you three market-leading ATS solutions, because you deserve the right solution, not just our only solution.” Source: RevenueBase Database · checked Sep 19, 2026
14	Beisen	Indirect evidence	Beijing, ChinaHQ checked Sep 19, 2026	1,001-5,000	400 contacts →
	Indirect evidence “Beisen, the top brand of talent management in China, the pathfinder of talent management software.” Source: RevenueBase Database · checked Sep 19, 2026
15	Workable	Indirect evidence	Boston, MA, United StatesHQ checked Sep 19, 2026	201-500	393 contacts →
	Indirect evidence “Workable is an all-in-one HR platform that helps businesses find great candidates, hire faster, and manage their teams more effectively.” Source: RevenueBase Database · checked Sep 19, 2026
16	Jobtarget	Indirect evidence	Stamford, CT, United StatesHQ checked Sep 19, 2026	51-200	380 contacts →
	Indirect evidence “JobTarget recruitment solutions help leading Fortune companies, recruitment advertising agencies and small businesses improve the process of finding and hiring the best candidates.” Source: RevenueBase Database · checked Sep 19, 2026
17	Sesame HR	Partial evidence	Valencia/valència, SpainHQ checked Sep 19, 2026	201-500	378 contacts →
	Partial evidence “Track your time at work A complete system for work teams and human resources Reshape your team's work experience with innovative and efficient HR management software.” Source: RevenueBase Database · checked Sep 19, 2026
18	Recruit CRM	Indirect evidence	Norwood, NJ, United StatesHQ checked Sep 19, 2026	201-500	373 contacts →
	Indirect evidence “All-in-one Software for Recruitment & Headhunting/Executive Search Firms.” Source: RevenueBase Database · checked Sep 19, 2026
19	vsource.io	Indirect evidence	Cork, IrelandHQ checked Sep 19, 2026	201-500	372 contacts →
	Indirect evidence “vsource - Smarter Talent Acquisition vsource is a talent sourcing platform that blends smart technology with human intuition to help recruiting teams become more efficient.” Source: RevenueBase Database · checked Sep 19, 2026
20	GOJOB	Indirect evidence	Aix-en-provence, FranceHQ checked Sep 19, 2026	201-500	371 contacts →
	Indirect evidence “Implanté en France et aux Etats-Unis, Gojob est le pionnier du recrutement par l’IA.” Source: RevenueBase Database · checked Sep 19, 2026
21	Talentech	Indirect evidence	Oslo, NorwayHQ checked Sep 19, 2026	201-500	360 contacts →
	Indirect evidence “Talentech is the leading AI powered Recruitment and HR platform that empowers organizations to drive growth with the right talent.” Source: RevenueBase Database · checked Sep 19, 2026
22	Phenom	Indirect evidence	Ambler, PA, United StatesHQ checked Sep 19, 2026	1,001-5,000	349 contacts →
	Indirect evidence “Phenom is a purpose-driven company that delivers AI-powered talent experiences to global enterprises.” Source: RevenueBase Database · checked Sep 19, 2026
23	GEM	Indirect evidence	San Francisco, CA, United StatesHQ checked Sep 19, 2026	51-200	340 contacts →
	Indirect evidence “Gem is the AI-first recruiting platform built for better outcomes, not more tools.” Source: RevenueBase Database · checked Sep 19, 2026
24	Jobvite	Indirect evidence	Denver, CO, United StatesHQ checked Sep 19, 2026	201-500	331 contacts →
	Indirect evidence “One of three market-leading ATS solutions by Employ, Jobvite is a comprehensive, configurable talent acquisition suite that streamlines complex processes to put the focus back on…” Source: RevenueBase Database · checked Sep 19, 2026
25	Pageup	Indirect evidence	Melbourne, AustraliaHQ checked Sep 19, 2026	201-500	289 contacts →
	Indirect evidence “PageUp is a powerful talent management platform with unique capabilities to transform hiring and engagement experiences for all.” Source: RevenueBase Database · checked Sep 19, 2026

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: applicant tracking system companies. 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 applicant tracking system companies.
Partial evidence: Its own public description names part of applicant tracking system companies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name applicant tracking system companies. 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 3,855 applicant tracking system companies worldwide

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Applicant tracking system companies worldwide at a glance

As of Sep 19, 2026

22.6%Verified-email coverage

15.3Average contacts per company

1-10Median size (employees)

3.2%Largest-city concentration · London

Sep 19, 2026Page data refreshed

Companies by employee count

1-10

1,998

11-50

1,305

51-200

380

201-500

100

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

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among applicant tracking system companies, 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.
Coverage: Every country. Country and city lists for applicant tracking system companies are linked below.
What qualifies: Companies worldwide whose own description of what they do matches “applicant tracking system companies”. 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 applicant tracking system companies), 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 applicant tracking system companies, and records with no verified work email.
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, 13,365 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 19, 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.

Applicant tracking system companies by location

25 lists · largest first

Every Applicant tracking system companies 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 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 applicant tracking system companies, 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 applicant tracking system companies are there worldwide?

RevenueBase identified 3,855 applicant tracking system companies worldwide 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?

Optimhire, headquartered in San Francisco, tops this list with the largest team on record.

Which country has the most applicant tracking system companies?

The United States leads with 783 companies, followed by India (407) and the United Kingdom (298). Every applicant tracking system companies list by country and city is linked on this page.

Which city has the most applicant tracking system companies?

London leads with 124 headquartered companies, followed by San Francisco (69) and Paris (53).

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 13,365 verified decision-maker contacts tracked across these 3,855 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 19, 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.