Company lists · Data refreshed September 2026

Top 25 HR and payroll outsourcing companies worldwide

Name: HR and payroll outsourcing companies worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 21, 2026 22,605 companies tracked

RevenueBase identified 22,605 company matches for HR and payroll outsourcing companies worldwide as of September 2026 and tracks 460,168 professional contacts across them, including 112,333 with verified work emails. The United States is the largest market and Mumbai the largest hub.

This list covers company matches for HR and payroll outsourcing companies 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 September 21, 2026. Country and city lists for HR and payroll outsourcing companies 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 Sep 21, 2026 How this list was built

22,605Companies

460,168Contacts tracked

112,333Verified emails

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The 25 largest HR and payroll outsourcing companies worldwide

Ranked by team size

Top 25 of 22,605 company matches for HR and payroll outsourcing companies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 21, 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	ADP	Exact match	Roseland, NJ, United StatesHQ recorded Sep 21, 2026	10001+	84,166 contacts →
	Exact match “Designing better ways to work through cutting-edge products, premium services and exceptional experiences that enable people to reach their full potential.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
2	Paychex	Exact match	Rochester, NY, United StatesHQ recorded Sep 21, 2026	10001+	17,911 contacts →
	Exact match “As the future of work continues to evolve, Paychex leads the way by making complex HR, payroll, and benefits brilliantly simple.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
3	SAGE	Exact match	Newcastle Upon Tyne, United KingdomHQ recorded Sep 21, 2026	10001+	13,063 contacts →
	Exact match “At Sage, we knock down barriers with information, insights, and tools to help your business flow.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
4	Insperity	Exact match	Kingwood, TX, United StatesHQ recorded Sep 21, 2026	1,001-5,000	4,761 contacts →
	Exact match “Since 1986, Insperity’s mission has been to help businesses succeed so communities prosper.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
5	Trinet	Exact match	Dublin, CA, United StatesHQ recorded Sep 21, 2026	1,001-5,000	4,056 contacts →
	Exact match “TriNet (NYSE: TNET) provides small and medium-size businesses (SMBs) with full-service HR solutions tailored by industry.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
6	GUSTO	Exact match	San Francisco, CA, United StatesHQ recorded Sep 21, 2026	1,001-5,000	3,543 contacts →
	Exact match “Gusto has been growing the small business economy for 15+ years.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
7	NGA Human Resources, An Alight Company	Exact match	London, United KingdomHQ recorded Sep 21, 2026	1,001-5,000	2,734 contacts →
	Exact match “At Alight \| NGA Human Resources our mission is to make HR work better.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
8	SD Worx	Exact match	Antwerp, BelgiumHQ recorded Sep 21, 2026	5,001-10,000	2,561 contacts →
	Exact match “SD Worx is your HR, Pay and Time partner in Europe.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
9	PT Infomedia Solusi Humanika ISH	Exact match	Jakarta Selatan, IndonesiaHQ recorded Sep 21, 2026	10001+	2,496 contacts →
	Exact match “PT.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
10	Vensure Employer Solutions	Exact match	Chandler, AZ, United StatesHQ recorded Sep 21, 2026	1,001-5,000	2,437 contacts →
	Exact match “VensureHR is the direct employer services business unit of Vensure Employer Solutions, the largest privately held organization in the HR technology and services sector, delivering…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
11	BUK	Exact match	Miguel Hidalgo, MexicoHQ recorded Sep 21, 2026	1,001-5,000	2,057 contacts →
	Exact match “Un software de recursos humanos para atender todas las necesidades de tus colaboradores.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
12	Sopra HR Software	Exact match	Courbevoie, FranceHQ recorded Sep 21, 2026	1,001-5,000	1,855 contacts →
	Exact match “Sopra HR Software, leader en solutions et services pour la paie et les RH, répond aux enjeux des Directions des Ressources Humaines des organisations de moyennes et grandes…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
13	Ciel HR	Exact match	Bengaluru, IndiaHQ recorded Sep 21, 2026	501-1,000	1,809 contacts →
	Exact match “CIEL HR is the only company in India which provides a comprehensive suite of technology-driven human resources solutions across the entire human resource chain and impacts every…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
14	Personio	Exact match	Munich, GermanyHQ recorded Sep 21, 2026	1,001-5,000	1,786 contacts →
	Exact match “Founded in 2015 and built in Europe, Personio is the Intelligent HR Platform championing every side of HR's evolution.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
15	Fesco Adecco (外企德科)	Exact match	上海, ChinaHQ recorded Sep 21, 2026	1,001-5,000	1,687 contacts →
	Exact match “FESCO Adecco is a joint-venture human resources services company combining the strengths of FESCO Group (a China 500 Company and the first Chinese company in the human resources…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
16	G-P	Exact match	Remote First Company, MexicoHQ recorded Sep 21, 2026	1,001-5,000	1,621 contacts →
	Exact match “G-P is your co-pilot for global employment providing HR, legal and compliance support at your fingertips so you can build teams anywhere.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
17	BBSI	Exact match	Vancouver, WA, United StatesHQ recorded Sep 21, 2026	501-1,000	1,591 contacts →
	Exact match “We started as a staffing company in 1972, and over the past 50 years, evolved into a Professional Employer Organization or PEO.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
18	Justworks	Exact match	New York, NY, United StatesHQ recorded Sep 21, 2026	1,001-5,000	1,554 contacts →
	Exact match “Justworks takes the busyness out of growing a business and alleviates the unknown.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
19	Activos Chile	Exact match	Las Condes, ChileHQ recorded Sep 21, 2026	5,001-10,000	1,504 contacts →
	Exact match “Somos una empresa especializada en entregar servicios integrados en el sector de recursos humanos comprometida con los procesos y necesidades de cada uno de nuestros clientes.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
20	Acerta	Exact match	BelgiumHQ recorded Sep 21, 2026	1,001-5,000	1,479 contacts →
	Exact match “Acerta specializes in offering advice on all HR-related matters concerning Payroll, Social Security Statute, Legal advice and Talent Management.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
21	Zellis	Exact match	Bristol, United KingdomHQ recorded Sep 21, 2026	1,001-5,000	1,465 contacts →
	Exact match “Zellis helps organisations unlock better outcomes by creating exceptional experiences for their people.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
22	Epi-Use	Exact match	SingaporeHQ recorded Sep 21, 2026	1,001-5,000	1,385 contacts →
	Exact match “EPI-USE is a member of groupelephant.com, a largely employee-owned group of boutique services firms and software companies, nonprofits and impact investment organizations, with a…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
23	SSS	Exact match	Littleton, CO, United StatesHQ recorded Sep 21, 2026	n/a	1,376 contacts →
	Exact match “Employee Based Systems (EBS) is a innovative HRMS software development, implementation training, support, and services company specializing in helping companies improve…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
24	Buzzworks Business Services Pvt. LTD	Exact match	Chennai, IndiaHQ recorded Sep 21, 2026	10001+	1,275 contacts →
	Exact match “With buzzworks, find the right people with the right skills at the right time.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
25	I-Process Services I Pvt. LTD	Exact match	IndiaHQ recorded Sep 21, 2026	1,001-5,000	1,258 contacts →
	Exact match “i-Process Services (India) Pvt.” Recorded in the RevenueBase company graph · Sep 21, 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 “HR and payroll outsourcing companies”. 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 22,605 HR and payroll outsourcing companies worldwide

See the full list, filter by size, metro and specialty, and access 112,333 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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HR and payroll outsourcing companies worldwide at a glance

As of Sep 21, 2026

24.4%Verified-email coverage

20.4Average contacts per company

1-10Median size (employees)

1.2%Largest-city concentration · Mumbai

Sep 21, 2026Page data refreshed

Companies by employee count

1-10

12,828

11-50

5,818

51-200

2,120

201-500

777

501-1,000

411

1,001-5,000

393

5,001-10,000

103

10001+

104

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 HR and payroll outsourcing companies are linked below.
What qualifies: Company records worldwide whose business descriptions match “HR and payroll outsourcing companies” 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 112,333 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 21, 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.

HR and payroll outsourcing companies by location

87 lists · largest first

Every HR and payroll outsourcing 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 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 “HR and payroll outsourcing companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many HR and payroll outsourcing companies are there worldwide?

RevenueBase identified 22,605 company matches for HR and payroll outsourcing companies worldwide 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?

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

Which country has the most HR and payroll outsourcing companies?

The United States leads with 3,767 companies, followed by India (3,191) and the United Kingdom (1,146). Every HR and payroll outsourcing companies list by country and city is linked on this page.

Which city has the most HR and payroll outsourcing companies?

Mumbai leads with 273 company records, followed by Sao Paulo (251) and London (232).

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 112,333 professional contacts with verified work emails tracked across these 22,605 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 21, 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.