Company lists · Data refreshed September 2026

Top 25 Occupational health and safety services worldwide

Name: Occupational health and safety services worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 20, 2026 20,589 companies tracked

RevenueBase identified 20,589 occupational health and safety services worldwide as of September 2026 and tracks 169,945 professional contacts across them, including 33,843 with verified work emails. Brazil is the largest market and Sao Paulo the largest hub.

This list covers occupational health and safety services 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 occupational health and safety services 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

20,589Companies

169,945Contacts tracked

33,843Verified emails

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The 25 largest occupational health and safety services worldwide

Ranked by team size

Top 25 of 20,589 occupational health and safety services worldwide, ranked by team size, largest first. Data refreshed Sep 20, 2026. RevenueBase Smart Search rates how each company's information relates to occupational health and safety services: 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	Quirónprevención	Indirect evidence	Madrid, SpainHQ checked Sep 20, 2026	5,001-10,000	3,441 contacts →
	Indirect evidence “Quirónprevención, perteneciente al Grupo Quirónsalud, es la mayor empresa del sector de la Prevención de Riesgos Laborales a nivel internacional.” Source: RevenueBase Database · checked Sep 20, 2026
2	Fremap	Partial evidence	Majadahonda, SpainHQ checked Sep 20, 2026	1,001-5,000	2,234 contacts →
	Partial evidence “We are a collaborating entity with Social Security, which manages and protects the Occupational Accident and Occupational Disease Risks that companies are required to cover…” Source: RevenueBase Database · checked Sep 20, 2026
3	J. J. Keller & Associates, INC	Indirect evidence	Neenah, WI, United StatesHQ checked Sep 20, 2026	1,001-5,000	1,577 contacts →
	Indirect evidence “J.” Source: RevenueBase Database · checked Sep 20, 2026
4	Arco Experts In Safety	Partial evidence	Hull, United KingdomHQ checked Sep 20, 2026	1,001-5,000	1,037 contacts →
	Partial evidence “Arco is the UK's only integrated services and safety products business.” Source: RevenueBase Database · checked Sep 20, 2026
5	Alpes Contrôles	Indirect evidence	Sites, FranceHQ checked Sep 20, 2026	501-1,000	799 contacts →
	Indirect evidence “Alpes Contrôles accompagne ses clients sur la conformité réglementaire des ouvrages, installations, équipements produits et services soumis à des exigences réglementaires.” Source: RevenueBase Database · checked Sep 20, 2026
6	Mantris	Indirect evidence	Sao Paulo, BrazilHQ checked Sep 20, 2026	10001+	792 contacts →
	Indirect evidence “Somos referência em saúde ocupacional e segurança do trabalho no Brasil, com mais de três décadas de experiência e 900 mil vidas assistidas.” Source: RevenueBase Database · checked Sep 20, 2026
7	Aspy Prevención	Indirect evidence	Barcelona, SpainHQ checked Sep 20, 2026	1,001-5,000	738 contacts →
	Indirect evidence “ASPY Prevención es la evolución de la Sociedad de Prevención a una nueva manera de entender la seguridad y salud de los trabajadores y de las organizaciones basada en poner a su…” Source: RevenueBase Database · checked Sep 20, 2026
8	Cualtis	Indirect evidence	Madrid, SpainHQ checked Sep 20, 2026	1,001-5,000	729 contacts →
	Indirect evidence “Somos un Servicio de Prevención.” Source: RevenueBase Database · checked Sep 20, 2026
9	Optima Health Oh&w	Strong evidence	Glasgow, United KingdomHQ checked Sep 20, 2026	1,001-5,000	701 contacts →
	Strong evidence “As the UK’s leading provider of occupational health and wellbeing services, we have been directly influencing and improving people’s lives for over 75 years.” Source: RevenueBase Database · checked Sep 20, 2026
10	IDEWE	Strong evidence	Heverlee, BelgiumHQ checked Sep 20, 2026	1,001-5,000	662 contacts →
	Strong evidence “How do you keep employees healthy, safe and able to work over the long term?” Source: RevenueBase Database · checked Sep 20, 2026
11	Mednet	Indirect evidence	Americana, BrazilHQ checked Sep 20, 2026	201-500	600 contacts →
	Indirect evidence “Fundada em 1994 na cidade de Americana-SP, no centro Região Metropolitana de Campinas,o Grupo MEDNET Medicina e Segurança do Trabalho dedica-se à prestação de serviços…” Source: RevenueBase Database · checked Sep 20, 2026
12	Rhmed Consultores Associados	Indirect evidence	São Paulo, BrazilHQ checked Sep 20, 2026	501-1,000	570 contacts →
	Indirect evidence “Com 28 anos de atuação, a RHMED\|RHVIDA é pioneira no setor de medicina ocupacional e segurança do trabalho no Brasil.” Source: RevenueBase Database · checked Sep 20, 2026
13	ACMS	Indirect evidence	Suresnes Cedex, FranceHQ checked Sep 20, 2026	1,001-5,000	533 contacts →
	Indirect evidence “L'ACMS est le plus grand service de santé au travail interentreprises de France.” Source: RevenueBase Database · checked Sep 20, 2026
14	Colmédicos IPS S.A.S	Indirect evidence	Medellín, ColombiaHQ checked Sep 20, 2026	501-1,000	527 contacts →
	Indirect evidence “Somos una IPS especializada en salud ocupacional que presta servicios en Medicina Preventiva y del Trabajo, con calidad, ética y confiabilidad a empresas y particulares, a través…” Source: RevenueBase Database · checked Sep 20, 2026
15	MAS Prevención	Partial evidence	Zaragoza, SpainHQ checked Sep 20, 2026	501-1,000	522 contacts →
	Partial evidence “We seek to offer a global vision of people's health, beyond their job position.” Source: RevenueBase Database · checked Sep 20, 2026
16	Shoes PTY LTD	Strong evidence	AustraliaHQ checked Sep 20, 2026	n/a	419 contacts →
	Strong evidence “SHOES provides safety, health, operational, environmental and systems advice to small and medium sized organisation across Australia.” Source: RevenueBase Database · checked Sep 20, 2026
17	DE Arbodienst	Indirect evidence	Nieuwegein, NetherlandsHQ checked Sep 20, 2026	201-500	410 contacts →
	Indirect evidence “Verzuim is een onderwerp waar u als werkgever, leidinggevende of hr-professional liever niet teveel over nadenkt.” Source: RevenueBase Database · checked Sep 20, 2026
18	Medigold Health	Strong evidence	Northampton, United KingdomHQ checked Sep 20, 2026	501-1,000	410 contacts →
	Strong evidence “Medigold Health is one of the UK’s most respected and established providers of occupational health and wellbeing services.” Source: RevenueBase Database · checked Sep 20, 2026
19	Grupo Preving	Indirect evidence	Badajoz, SpainHQ checked Sep 20, 2026	1,001-5,000	371 contacts →
	Indirect evidence “Grupo Preving es un grupo de empresas con vocación de liderazgo, en el que se integran un completo conjunto de disciplinas orientadas a mejorar la salud de los trabajadores y…” Source: RevenueBase Database · checked Sep 20, 2026
20	Avonova Norge	Indirect evidence	Oslo, NorwayHQ checked Sep 20, 2026	1,001-5,000	355 contacts →
	Indirect evidence “Avonova er nordens ledende tilbyder av bedriftshelsetjenester.” Source: RevenueBase Database · checked Sep 20, 2026
21	Ecol Studio Lifeanalytics	Indirect evidence	Lucca, ItalyHQ checked Sep 20, 2026	201-500	345 contacts →
	Indirect evidence “Salute, Sicurezza, Ambiente e Qualità del prodotto: sei davvero sostenibile?” Source: RevenueBase Database · checked Sep 20, 2026
22	SP Equipamentos	Indirect evidence	São Bernardo Do Campo, BrazilHQ checked Sep 20, 2026	51-200	342 contacts →
	Indirect evidence “A SP é uma das mais reconhecidas e renomadas empresas no ramo de segurança do trabalho, oferecendo as melhores soluções, desde 1975.” Source: RevenueBase Database · checked Sep 20, 2026
23	All4	Strong evidence	Kimberton, PA, United StatesHQ checked Sep 20, 2026	201-500	331 contacts →
	Strong evidence “ALL4 is a global consulting firm committed to shaping a sustainable future through innovative environmental, health, and safety (EHS) and digital solutions.” Source: RevenueBase Database · checked Sep 20, 2026
24	Prevlink Santé AU Travail	Indirect evidence	Paris, FranceHQ checked Sep 20, 2026	501-1,000	331 contacts →
	Indirect evidence “Prevlink est le 2e service de prévention et de santé au travail (SPST) en France.” Source: RevenueBase Database · checked Sep 20, 2026
25	Interprev	Indirect evidence	Lisbon, PortugalHQ checked Sep 20, 2026	501-1,000	321 contacts →
	Indirect evidence “A INTERPREV é a maior empresa Portuguesa na prevenção de riscos profissionais, alimentares e ambientais: Segurança e Saúde do Trabalho.” 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: occupational health and safety services. 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 occupational health and safety services.
Partial evidence: Its own public description names part of occupational health and safety services, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name occupational health and safety services. 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 20,589 occupational health and safety services worldwide

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Occupational health and safety services worldwide at a glance

As of Sep 20, 2026

19.9%Verified-email coverage

8.3Average contacts per company

1-10Median size (employees)

2.2%Largest-city concentration · Sao Paulo

Sep 20, 2026Page data refreshed

Companies by employee count

1-10

13,220

11-50

5,626

51-200

1,248

201-500

268

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 occupational health and safety services, 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 occupational health and safety services are linked below.
What qualifies: Companies worldwide whose own description of what they do matches “occupational health and safety services”. 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 occupational health and safety services), 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 occupational health and safety services, 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, 33,843 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.

Occupational health and safety services by location

56 lists · largest first

Every Occupational health and safety services 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 occupational health and safety services, 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 occupational health and safety services are there worldwide?

RevenueBase identified 20,589 occupational health and safety services 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?

Quirónprevención, headquartered in Madrid, tops this list with the largest team on record.

Which country has the most occupational health and safety services?

Brazil leads with 3,780 companies, followed by the United States (1,617) and Italy (1,511). Every occupational health and safety services list by country and city is linked on this page.

Which city has the most occupational health and safety services?

Sao Paulo leads with 460 headquartered companies, followed by Lima (223) and Istanbul (166).

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 33,843 verified decision-maker contacts tracked across these 20,589 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.