Company lists · Data refreshed September 2026

Top 25 Nonprofit HR service providers worldwide

Name: Nonprofit HR service providers worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 20, 2026 18,185 companies tracked

RevenueBase identified 18,185 nonprofit HR service providers worldwide as of September 2026 and tracks 149,593 professional contacts across them, including 31,289 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers nonprofit HR service providers 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 20, 2026. Country and city lists for nonprofit HR service providers 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 20, 2026 86% judged on-target in blind review

18,185Companies

149,593Contacts tracked

31,289Verified emails

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The 25 largest nonprofit HR service providers worldwide

Ranked by team size

Top 25 of 18,185 nonprofit HR service providers worldwide, ranked by team size, largest first. Data refreshed Sep 20, 2026. RevenueBase Smart Search rates how each company's information relates to nonprofit HR service providers: 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	Insperity	Indirect evidence	Kingwood, TX, United StatesHQ checked Sep 20, 2026	1,001-5,000	4,761 contacts →
	Indirect evidence “Since 1986, Insperity’s mission has been to help businesses succeed so communities prosper.” Source: RevenueBase Database · checked Sep 20, 2026
2	NGO Recruitment	Indirect evidence	Sydney, AustraliaHQ checked Sep 20, 2026	n/a	1,884 contacts →
	Indirect evidence “Specialists in not-for-profit sector recruitment Australia - Asia Pacific - International - talented professionals placed since 2004 - registered professionals on our candidate…” Source: RevenueBase Database · checked Sep 20, 2026
3	Securex	Indirect evidence	Brussel - Bruxelles, BelgiumHQ checked Sep 20, 2026	1,001-5,000	1,626 contacts →
	Indirect evidence “At Securex, we help you catch a breather.” Source: RevenueBase Database · checked Sep 20, 2026
4	G-P	Partial evidence	Remote First Company, MexicoHQ checked Sep 20, 2026	1,001-5,000	1,621 contacts →
	Partial evidence “G-P is your co-pilot for global employment providing HR, legal and compliance support at your fingertips so you can build teams anywhere.” Source: RevenueBase Database · checked Sep 20, 2026
5	Acerta	Partial evidence	BelgiumHQ checked Sep 20, 2026	1,001-5,000	1,479 contacts →
	Partial evidence “Acerta specializes in offering advice on all HR-related matters concerning Payroll, Social Security Statute, Legal advice and Talent Management.” Source: RevenueBase Database · checked Sep 20, 2026
6	Tasc Outsourcing	Indirect evidence	Dubai, United Arab EmiratesHQ checked Sep 20, 2026	10001+	1,025 contacts →
	Indirect evidence “TASC Outsourcing is a leading people solutions partner in the GCC, working at the intersection of technology, process, and people to help organisations build agile, compliant, and…” Source: RevenueBase Database · checked Sep 20, 2026
7	Human Quality	Indirect evidence	Monterrey, MexicoHQ checked Sep 20, 2026	1,001-5,000	874 contacts →
	Indirect evidence “At Human Quality, we are known as a leading provider of Human Resources solutions that connect top talent with companies.” Source: RevenueBase Database · checked Sep 20, 2026
8	Labournet	Indirect evidence	Johannesburg, South AfricaHQ checked Sep 20, 2026	201-500	841 contacts →
	Indirect evidence “Labournet – your strategic partner in simplifying human resource management.” Source: RevenueBase Database · checked Sep 20, 2026
9	Your Part-Time Controller, LLC	Partial evidence	Philadelphia, PA, United StatesHQ checked Sep 20, 2026	501-1,000	775 contacts →
	Partial evidence “THE NONPROFIT ACCOUNTING SPECIALISTS.” Source: RevenueBase Database · checked Sep 20, 2026
10	Mineral, Part Of Mitratech	Partial evidence	Portland, OR, United StatesHQ checked Sep 20, 2026	201-500	701 contacts →
	Partial evidence “Trusted by more than 1 million companies, Mineral is the HR and compliance leader for growing businesses.” Source: RevenueBase Database · checked Sep 20, 2026
11	Greenstep	Indirect evidence	Espoo, FinlandHQ checked Sep 20, 2026	501-1,000	655 contacts →
	Indirect evidence “Greenstep, a family-owned company founded in 2010, is on a mission to back our clients up with clarity so that they can build the businesses of the future.” Source: RevenueBase Database · checked Sep 20, 2026
12	Teamwork Chile	Indirect evidence	Santiago, ChileHQ checked Sep 20, 2026	n/a	609 contacts →
	Indirect evidence “Team-Work, desde sus inicios en el año 1998, ha logrado posicionarse como empresa de Servicios Integrales en el area de Recursos Humanos, ofreciendo soluciones efectivas en los…” Source: RevenueBase Database · checked Sep 20, 2026
13	Berlitz	Indirect evidence	Caracas, VenezuelaHQ checked Sep 20, 2026	n/a	608 contacts →
	Indirect evidence “ATEMP es una empresa de capital humano 100% venezolano, que inició sus servicios en Caracas en el año de 1992.” Source: RevenueBase Database · checked Sep 20, 2026
14	Coadvantage	Indirect evidence	Bradenton, FL, United StatesHQ checked Sep 20, 2026	201-500	586 contacts →
	Indirect evidence “CoAdvantage is now CoAd.” Source: RevenueBase Database · checked Sep 20, 2026
15	Academy	Indirect evidence	İstanbul, TürkiyeHQ checked Sep 20, 2026	n/a	580 contacts →
	Indirect evidence “İNSAN KAYNAĞI ARAŞTIRMA VE SEÇME Her sektörde, şirketlerin gelecek hedeflerine ulaşmalarını sağlayabilecek uzman kadro, yönetici ve yönetici adaylarının istihdam edilmesi sağlanır.” Source: RevenueBase Database · checked Sep 20, 2026
16	Talentnet Corporation	Partial evidence	Ho Chi Minh, VietnamHQ checked Sep 20, 2026	201-500	557 contacts →
	Partial evidence “Being one of the first local HR companies laying the foundations for Vietnam’s fledgling HR industry, Talentnet was officially established at the end of 2007 by the HR Services…” Source: RevenueBase Database · checked Sep 20, 2026
17	Expert Consultoria	Indirect evidence	Campinas, BrazilHQ checked Sep 20, 2026	51-200	540 contacts →
	Indirect evidence “A Expert Consultoria é uma empresa especializada em Serviços de Recursos Humanos que, em seus anos de atuação no mercado, nas cidades onde estamos presentes, o foco de nossas…” Source: RevenueBase Database · checked Sep 20, 2026
18	PNP Staffing Group	Partial evidence	New York, NY, United StatesHQ checked Sep 20, 2026	n/a	486 contacts →
	Partial evidence “PNP Staffing Group believes in the power of nonprofits to make a difference, and we provide the staff to help make that difference.” Source: RevenueBase Database · checked Sep 20, 2026
19	Peninsula Australia	Partial evidence	Sydney, AustraliaHQ checked Sep 20, 2026	501-1,000	451 contacts →
	Partial evidence “Peninsula Australia is recognised as an industry leader in workplace relations – providing support with employment relations, HR services, and workplace health & safety.” Source: RevenueBase Database · checked Sep 20, 2026
20	Sundus	Partial evidence	Mohamed Bin Zayed City, United Arab EmiratesHQ checked Sep 20, 2026	10001+	440 contacts →
	Partial evidence “Sundus is a leading, 100% Emirati-owned workforce solutions and HR service provider, driving organizational transformation across the UAE for nearly three decades.” Source: RevenueBase Database · checked Sep 20, 2026
21	BPO	Indirect evidence	Venezia, ItalyHQ checked Sep 20, 2026	n/a	406 contacts →
	Indirect evidence “BPO was founded by a group of professionals with decades of experience in the human resources sector and with the aim of providing complete and comprehensive answers to the needs…” Source: RevenueBase Database · checked Sep 20, 2026
22	HR Personnel Services	Partial evidence	Minnetonka, MN, United StatesHQ checked Sep 20, 2026	n/a	402 contacts →
	Partial evidence “HR Personnel Services is a leading national staffing and executive search firm specializing exclusively in placing HR professionals.” Source: RevenueBase Database · checked Sep 20, 2026
23	Opco Atlas	Indirect evidence	Paris, FranceHQ checked Sep 20, 2026	201-500	348 contacts →
	Indirect evidence “Entreprises, nous vous donnons des clés pour rester compétitives et attirer de nouveaux talents (et les garder!) Pour voir le futur plus sereinement, nous sommes là pour …” Source: RevenueBase Database · checked Sep 20, 2026
24	BASIC	Partial evidence	Monona, WI, United StatesHQ checked Sep 20, 2026	51-200	324 contacts →
	Partial evidence “BASIC's integrated HR solutions come full-circle for employers nationwide.” Source: RevenueBase Database · checked Sep 20, 2026
25	Puzzlehr	Partial evidence	Tampa, FL, United StatesHQ checked Sep 20, 2026	201-500	321 contacts →
	Partial evidence “At PuzzleHR, we help companies solve the Human Resource puzzle by providing "HR as a Service".” Source: RevenueBase Database · checked Sep 20, 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: nonprofit HR service providers. 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 nonprofit HR service providers.
Partial evidence: Its own public description names part of nonprofit HR service providers, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name nonprofit HR service providers. 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 18,185 nonprofit HR service providers worldwide

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Nonprofit HR service providers worldwide at a glance

As of Sep 20, 2026

20.9%Verified-email coverage

8.2Average contacts per company

1-10Median size (employees)

1.1%Largest-city concentration · Sao Paulo

Sep 20, 2026Page data refreshed

Companies by employee count

1-10

13,539

11-50

3,235

51-200

815

201-500

272

501-1,000

131

1,001-5,000

119

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 nonprofit HR service providers, 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 nonprofit HR service providers are linked below.
What qualifies: Companies worldwide whose own description of what they do matches “nonprofit HR service providers”. 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 nonprofit HR service providers), 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 nonprofit HR service providers, 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, 31,289 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 20, 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.

Nonprofit HR service providers by location

77 lists · largest first

Every Nonprofit HR service providers 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 nonprofit HR service providers, 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 nonprofit HR service providers are there worldwide?

RevenueBase identified 18,185 nonprofit HR service providers 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?

Insperity, headquartered in Kingwood, tops this list with the largest team on record.

Which country has the most nonprofit HR service providers?

The United States leads with 4,380 companies, followed by India (1,130) and the United Kingdom (908). Every nonprofit HR service providers list by country and city is linked on this page.

Which city has the most nonprofit HR service providers?

Sao Paulo leads with 209 headquartered companies, followed by London (191) and New York (141).

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 31,289 verified decision-maker contacts tracked across these 18,185 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 20, 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.