| # | Company | Employees |
|---|---|---|
| 1 |
Einstein Hospital Israelitaeinstein.br
A leading healthcare institution offering cutting-edge treatments, compassionate care, social responsibility initiatives, and education and research programs for the community |
40,979 |
| 2 |
Hapvida NotreDame Intermédicahapvida.com.br
The organization is the largest healthcare and dental provider in Latin America, with an extensive network of medical facilities and services |
39,288 |
| 3 |
RD Saúderdsaude.com.br
We are a holistic health ecosystem with thousands of pharmacies nationwide, dedicated to promoting a healthier society through technology and human warmth |
37,584 |
| 4 |
Consultório particularabotorrino.com.br
Specializing in Otorhinolaryngology services, providing expert care for ear, nose, and throat conditions and disorders |
34,458 |
| 5 |
Dasadasa.com.br
The company is the largest integrated healthcare network in Brazil, focusing on preventive, predictive, and personalized healthcare with a wide range of services and innovative solutions |
32,801 |
| 6 |
Prefeitura de São Pauloprefeitura.sp.gov.br
A municipal government entity based in São Paulo, focused on providing public services and overseeing administration within the city |
22,684 |
| 7 |
SPDM - Associação Paulista para o Desenvolvimento da Medicinaspdm.org.br
Nonprofit organization managing hospitals and health centers, promoting disease prevention, social assistance, education, and inclusive healthcare services. |
19,529 |
| 8 |
Sírio-Libanêshospitalsiriolibanes.org.br
A renowned healthcare institution with philanthropic roots, offering top-notch medical services, cutting-edge technology, education, research, and social responsibility initiatives for 100 years |
19,137 |
| 9 |
Consultório Médicozonettiqueiroz.com.br
Medical practice specialized in providing consultations and treatments to patients in a clinic setting |
16,722 |
| 10 |
Grupo Fleurygrupofleury.com.br
The company is a leading diagnostic medicine provider in Brazil, offering integrated healthcare solutions with a focus on quality, innovation, and sustainability |
15,284 |
| 11 |
Universidade Estadual de Campinasunicamp.br
Public university in São Paulo, Brazil, with a focus on science education Offers undergraduate and graduate programs with multiple campuses |
12,392 |
| 12 |
NotreDame Intermédicagndi.com.br
The largest healthcare provider in Brazil with over 15 million beneficiaries, offering comprehensive health and dental services through 767 own points of care nationwide |
12,251 |
| 13 |
Prevent Seniorpreventsenior.com.br
Specializing in healthcare for older adults, we provide dedicated care through advanced medical services, specialized clinics, diagnostic medicine, and a hospital network |
11,648 |
| 14 |
Amilinstitucional.amil.com.br
Leading Brazilian health operator, offering various health and dental plans, combining expertise and innovation to meet customer needs and improve the healthcare sector. |
11,327 |
| 15 |
Atendimento Particular Domiciliarfisioterapeutaemcasa.com.br
The company provides experienced professionals to guide families and caregivers in adapting their homes for a smooth and happy rehabilitation process for patients |
11,311 |
| 16 |
Hospital São Camilo SPhospitalsaocamilosp.org.br
A network of hospitals in São Paulo known for excellence in healthcare, quality service, safety, and expertise in hospital management |
10,994 |
| 17 |
SPDM/PAIS - Programa de Atenção Integral à Saúdespdmpais.org.br
Healthcare management program improving public health services in partnership with government, focusing on quality, equity, and sustainability, with inclusive employment opportunities for the disabled |
9,798 |
| 18 |
Universidade Estadual Paulista Júlio de Mesquita Filhowww2.unesp.br
A leading Brazilian university with a multicampus structure offering quality education, research opportunities, and community services to students and society |
9,365 |
| 19 |
OdontoCompanyodontocompany.com
Brazil's largest network of dental clinics, offering over 50 treatments and pioneering preventative oral health care since 1990 |
9,185 |
| 20 |
Fundação do ABCfuabc.org.br
Philanthropic entity providing social assistance, healthcare, and education services, established in 1967 by municipalities A leading healthcare institution in Brazil |
8,285 |
| 21 |
CEJAM - Centro de Estudos e Pesquisas Dr. João Amorim - OFICIALcejam.org.br
Non-profit institution supporting the Brazilian public health system with over 30 years of experience in primary care, specialized services, emergency care, and hospital management |
8,271 |
| 22 |
Hospital das Clínicas da Faculdade de Medicina da USPhc.fm.usp.br
A public institution affiliated with a medical school in São Paulo, dedicated to health public healthcare through education, research, assistance, and management |
8,241 |
| 23 |
Santa Casa de Misericórdia de São Paulodoar.santacasasp.org.br
A long-standing philanthropic institution providing high-quality healthcare services, medical education, and research with a focus on complex treatments and diagnostic services |
8,239 |
| 24 |
Rede Santa Catarinaredesantacatarina.org.br
With 120 years of experience in Brazil, this organization manages 19 social entities in the Health and Education sectors, prioritizing human care and dignity |
7,921 |
| 25 |
Petzfront.petz.com.br
The company is the largest and most comprehensive pet ecosystem in Brazil, with a omnichannel strategy combining physical stores and digital channels |
7,542 |
| 26 |
Unifesp - Universidade Federal de São Pauloportal.unifesp.br
Specialized institution in health sciences, offering training for human resources and conducting scientific research Provides clinical practice and welfare services |
7,476 |
| 27 |
Santa Marcelina Saúdesantamarcelina.org
A private and philanthropic institution providing healthcare services, managing hospitals, and primary care facilities to the population, with a focus on quality and comprehensive treatment |
6,978 |
| 28 |
BP - A Beneficência Portuguesa de São Paulobp.org.br
The organization prioritizes valuing and celebrating life through research, understanding, and technology, with a focus on continuous evolution and respect for all |
6,759 |
| 29 |
A.C.Camargo Cancer Centeraccamargo.org.br
A specialized center focused on cancer diagnosis, treatment, education, and research with highly specialized healthcare professionals working together in one place |
6,452 |
| 30 |
Uninove - Universidade Nove de Julhouninove.br
A leading educational institution in São Paulo offering a wide range of undergraduate, postgraduate, and research programs through innovative teaching methods and state-of-the-art facilities |
6,396 |
| 31 |
Hospital Samaritanohigienopolis.hospitalsamaritano.com.br
A leading healthcare center in São Paulo with over 100 years of experience, specializing in various medical fields and providing top-notch diagnostic and therapeutic services |
6,274 |
| 32 |
Hospital Alemão Oswaldo Cruzhospitaloswaldocruz.org.br
A leading hospital in Latin America providing comprehensive healthcare services, high complexity treatments, and innovative care models focused on patient-centered approach |
6,204 |
| 33 |
Hospital Santa Catarina - Paulistaredesantacatarina.org.br
A healthcare institution with over a century of tradition in providing high-quality and humanized services, including complex surgeries and intensive care |
5,502 |
| 34 |
Universidade Presbiteriana Mackenziemackenzie.br
Educating individuals to develop citizenship, self, and society through teaching, research, Christian faith-based activities, cultural events, and sports |
5,180 |
| 35 |
Seconci-SP - Serviço Social da Construção Civil do Estado de São Pauloseconci-sp.org.br
A non-profit entity providing healthcare services to the construction industry, managing various hospitals, clinics, and healthcare facilities in the state |
4,909 |
| 36 |
Unimed do Brasilunimed.coop.br
A leading cooperative healthcare network in Brazil, providing medical assistance to over 19 million clients through a vast network of professionals and facilities |
4,814 |
| 37 |
INTS - Instituto Nacional de Tecnologia e Saúdeints.org.br
The Instituto Nacional de Tecnologia e Saúde is a non-profit organization focused on researching and innovating technological practices for public health management in Brazil |
4,699 |
| 38 |
Clínica Odontológica
Specializing in clinical dental care services, providing dental treatments and consultations in a professional and thorough manner |
4,502 |
| 39 |
Hospital Nove de Julhoh9j.com.br
Leader in high-complexity healthcare, with cutting-edge technology and international quality certification Specializing in intensive care, cardiac surgery, and robotic surgery |
4,139 |
| 40 |
Hospital de Base - Funfarme
Our purpose is to care for people throughout their lives We manage a major hospital complex in São Paulo, serving a large region with various healthcare services |
4,070 |
| 41 |
Instituto do Câncer do Estado de São Paulo - ICESPicesp.org.br
A leading oncology center in Latin America, focused on providing high-quality care, education, and research in the public health system |
4,018 |
| 42 |
Clínica Activeraactivera.com.br
Activera Clinic offers a comprehensive approach to addressing pain and injuries through a unique blend of traditional and innovative methodologies |
3,973 |
| 43 |
Drogaldrogal.com.br
With 75 years of tradition, this network of pharmacies in São Paulo offers over 70 units across 30 cities, including ISO 9001 certified compounding laboratories |
3,969 |
| 44 |
Raia Drogasildrogasil.com.br
A leading pharmacy network in Brazil, operating in 12 states and serving 83% of the pharmaceutical consumer market, with over 20,000 employees |
3,886 |
| 45 |
Hospital de Amorhospitaldeamor.com.br
Provides specialized cancer treatment for low-income patients, continuously expanding its facilities and services to meet growing demand and strengthen public healthcare. |
3,791 |
| 46 |
Extrafarmaextrafarma.com.br
With 61 years of experience, this retail pharmacy chain provides access to health and wellness through nearly 400 stores in 10 Brazilian states |
3,584 |
| 47 |
Rede Américassaudeamericas.com.br
A leading medical-hospital group in Brazil with 12 hospitals, 30 medical clinics, 2,700 beds, and over 17,000 experienced professionals offering care in 60+ specialties |
3,494 |
| 48 |
Hcorhcor.com.br
A leading Brazilian healthcare organization providing specialized medical services, research, training, and social initiatives to make a difference in people's lives |
3,472 |
| 49 |
Oncoclínicas&Cogrupooncoclinicas.com
A leading provider of oncology services in Latin America, offering advanced treatments, multidisciplinary care, and a patient-centered approach across 14 states |
3,466 |
| 50 |
Hospital Sepacosepaco.org.br
Established in 1956, this healthcare organization provides medical and hospital assistance to employees in the paper industry and their dependents Offering a wide range of clinical and surgical treatments, including maternity, pediatric care, and intensive care units Additionally, it conducts research in hospital infections and sets standards for infection control in Brazilian hospitals |
3,171 |
| 51 |
Hospital Carehospitalcare.com.br
A healthcare holding company promoting integrated care through a model based on ACOs, with a complete health system including hospitals, labs, health plans, and medical centers |
3,097 |
| 52 |
Drogarias Ultra Populardrogariasultrapopular.com.br
A network of pharmacies focused on enhancing management and competitiveness in the regional pharmaceutical market through exclusive administrative tools and training for entrepreneurs |
3,064 |
| 53 |
Pontifícia Universidade Católica de Campinaspuc-campinas.edu.br
A university in Campinas, focusing on ethical and Christian values, aims to produce, enrich, and disseminate knowledge for professional excellence and holistic human development |
2,891 |
| 54 |
APS Santa Marcelinaaps.santamarcelina.org
Pioneering provider of primary healthcare services in São Paulo, managing 122 health services in partnership with the Municipal Health Department |
2,870 |
| 55 |
Pró-Saúde Associação Beneficente de Assistência Social e Hospitalarprosaude.org.br
A leading Brazilian entity specializing in healthcare and hospital management, with over 50 years of experience in improving the lives of millions of citizens |
2,803 |
| 56 |
Alliançaallianca.com
A healthcare group with 15 leading brands offering diagnostic imaging, laboratory tests, genetic testing, nuclear medicine, and vaccines across 13 Brazilian states |
2,743 |
| 57 |
Serviço de Atendimento Móvel de Urgência -- SAMU
An emergency mobile medical service based in São Paulo, Brazil, providing urgent medical care and assistance to those in need |
2,574 |
| 58 |
Instituto de Responsabilidade Social Sírio-Libanêsirssl.org.br
A social responsibility institute enhancing public healthcare in Brazil by managing 8 health units with excellence recognized in the private sector |
2,542 |
| 59 |
Sorridentsfranquiassorridents.com.br
A highly awarded dental clinic network in Brazil, founded in 1995, focused on providing quality and affordable dental treatments with comfort and convenience |
2,528 |
| 60 |
Consultório de Psicologiapatriciaoguma.com.br
A psychology practice focusing on promoting quality of life by addressing biopsychosocial aspects ethically and respectfully, aiding personal development and emotional well-being |
2,472 |
| 61 |
Unimed Sorocabaunimedsorocaba.coop.br
A cooperative medical service provider in Sorocaba and surrounding areas, offering top-notch healthcare, innovation, technology, and personalized services for 52 years |
2,417 |
| 62 |
Hospital IGESPhospitaligesp.com.br
Specialized hospital founded in the 1950s in São Paulo, offering gastroenterology services and expanding through acquisitions for continued growth |
2,416 |
| 63 |
Secretaria Municipal da Saúde de São Pauloprefeitura.sp.gov.br
The Municipal Health Department manages the Unified Health System, formulating and implementing policies to promote, protect, and recover population health It also regulates the private healthcare system |
2,353 |
| 64 |
Instituto do Coração - InCor HCFMUSPlinktr.ee
A public university hospital specializing in cardiology, pneumology, and cardiac and thoracic surgeries, providing high complexity healthcare services |
2,326 |
| 65 |
Hospital Nipo-Brasileirohnipo.org.br
Specializing in healthcare services since 1988, this facility offers a wide range of medical services, including intensive care, maternity, pediatrics, surgery, and advanced medical imaging |
2,286 |
| 66 |
Unimed Campinasunimedcampinas.com.br
A leading healthcare cooperative providing innovative and accessible health solutions with a focus on quality, trust, and personalized care for over 50 years |
2,164 |
| 67 |
Hospital Infantil Sabarahospitalinfantilsabara.org.br
A leading Brazilian provider of pediatric medicine with a highly qualified and specialized clinical team available 24/7, 365 days a year |
2,153 |
| 68 |
AACDaacd.org.br
Established in 1950, this organization provides assistance to children with disabilities through rehabilitation services, professional training, social integration, and resource mobilization efforts |
2,124 |
| 69 |
Superintendência de Atenção à Saúde (SAS Seconci-SP OSS)sas-seconci.org.br
A non-profit organization founded in 1964, providing social assistance focusing on health, education, and managing public health units in São Paulo |
2,116 |
| 70 |
Sociedade Brasileira Caminho de Damascosbcdsaude.org.br
A non-profit organization focused on providing quality healthcare management solutions to the population dependent on the public health system |
2,004 |
| 71 |
FIDI - Fundação Instituto de Pesquisa e Estudo de Diagnóstico por Imagemfidi.org.br
A nonprofit foundation founded by medical professors specializing in diagnostic imaging, providing medical assistance, teaching, research, and innovative healthcare solutions in Brazil |
2,004 |
| 72 |
Hospital e Maternidade Santa Joanasantajoana.com.br
Specializing in high-risk childbirth, obstetric anesthesia, and neonatal care, the organization prioritizes life through a humanized approach and cutting-edge medical technology |
1,999 |
| 73 |
Officeolgatessari.com
Provider of psychology services since 1984, offering quick and effective results Specializes in courses, workshops, and counseling for individuals, couples, families, and groups |
1,965 |
| 74 |
IABAS - Instituto de Atencao Basica e Avancada em Saudeiabas.org.br
Social organization providing healthcare management training, operating in Sao Paulo and Rio de Janeiro with private sector leadership Manages various healthcare facilities and programs |
1,938 |
| 75 |
Odontoclinicodontoclinic.com.br
With a network of 250 clinics nationwide, 9,000 daily consultations, and over 1 million satisfied clients, we prioritize quality, innovation, and customer satisfaction in dentistry |
1,938 |
| 76 |
FEMME - Laboratório da Mulherlaboratoriodamulher.com.br
Specialized diagnostic laboratory focused on women's health, prevention of female diseases, excellence in service, career development, sustainability, diversity, and inclusion initiatives |
1,931 |
| 77 |
Vision Onevisionone.com.br
A national network of specialized hospitals focused on quality care, humanization, and medical excellence, with over 40 units and 1 million consultations annually |
1,916 |
| 78 |
Hospital PUC-Campinashospitalpuc-campinas.com.br
This entity has been operating for nearly 40 years, employing 2,000 individuals and serving as a healthcare reference in the western region of Campinas |
1,904 |
| 79 |
Care Pluscareplus.com.br
premium health insurance provider offering personalized corporate health plans with global network access and focus on employee retention |
1,901 |
| 80 |
Santa Casa de Santossantacasadesantos.org.br
The organization is the oldest hospital in Brazil, providing essential philanthropic healthcare services as the largest hospital in the Baixada Santista region |
1,797 |
| 81 |
Hospital Vila Nova Starrededorsaoluiz.com.br
24 hour emergency medical services in various specialties with a multidisciplinary team, diagnostic medicine, trauma room, isolation unit, and mobile ICU ambulance service |
1,752 |
| 82 |
AmorSaúde Brasilamorsaude.com.br
Providing quality and compassionate medical and dental care to the Brazilian population, offering accessibility without the need for health insurance or long wait times |
1,739 |
| 83 |
PUC-Campinas - Pontifícia Universidade Católica de Campinasedu.br
Aiming to educate and empower individuals, the organization fosters knowledge through teaching, research, and community engagement rooted in ethical-Christian values |
1,736 |
| 84 |
Fleury Medicina e Saúdefleury.com.br
Operating since 1926, this healthcare brand in Brazil specializes in prevention, diagnostic medicine, and therapy with a focus on excellence and care |
1,731 |
| 85 |
Hospital São Francisco de Assishospitalsaofrancisco.org.br
A healthcare institution founded in 1980, focusing on promoting human dignity through comprehensive care, technological advancement, and community partnerships in the region |
1,730 |
| 86 |
Hospital Japonês Santa Cruzhjsc.com.br
The organization is a long-standing institution in the cooperation between Japan and Brazil, focusing on healthcare with a rich historical background and renowned medical professionals |
1,725 |
| 87 |
AFNE - Associação Filantrópica Nova Esperançaafne.org.br
The organization prioritizes human-centered care, focusing on quality, responsibility, and commitment in all areas of healthcare services, placing the individual at the core |
1,673 |
| 88 |
AFIP-Associação Fundo de Incentivo à Pesquisaafip.com.br
A non-profit organization founded in the 1970s to provide financial support for healthcare, research, and community medical services, with a focus on public health |
1,670 |
| 89 |
Santa Casa de São José dos Campossantacasasjc.com.br
A nonprofit organization offering high-quality medical services with excellence and technological advancement to the population for over a century |
1,621 |
| 90 |
Cuidador De Idososvitoriaregiahomecare.com.br
Providing trained caregivers to support clients' emotional and physical needs, promoting independence and ensuring a dignified and fulfilling life |
1,588 |
| 91 |
Fundação Santa Casa de Misericórdia de Francagruposantacasadefranca.com.br
A regional hospital group with multiple specialized units, including emergency care, oncology, and cardiology, serving as a teaching hospital with future expansion plans |
1,586 |
| 92 |
Hospital Vera Cruzhospitalveracruz.com.br
Offering top-notch healthcare services through a hospital with a wide range of medical specialties, cutting-edge technology, and a strong focus on patient safety and quality |
1,575 |
| 93 |
Hospital Estadual Mário Covashospitalmariocovas.org.br
Specialized high complexity hospital serving the ABC region in Santo André-SP, providing state-of-the-art medical care and services |
1,574 |
| 94 |
Drogaria Sao Paulodrogariasaopaulo.com.br
A Brazilian pharmacy chain with 69 years of experience, serving 70 major cities and reaching 7 million consumers through mergers and acquisitions |
1,557 |
| 95 |
Farmacia Pague Menospaguemenos.com.br
Retail business operating in Sao Paulo, Brazil, offering a variety of products and services in the pharmacy industry |
1,554 |
| 96 |
Vittavitta.com.br
Revolutionizing health insurance by offering a digital hospital through an app, with a network of 250+ healthcare professionals focused on preventive care for Brazilian employees |
1,543 |
| 97 |
Hospital Carlos Chagashcc.com.br
Private hospital providing a wide range of medical services, including emergency care, intensive care units, diagnostic imaging, and various specialty medical treatments |
1,542 |
| 98 |
Hospital Santa Paulasantapaula.com.br
A leading hospital complex in São Paulo's South Zone, specializing in high-complexity care, serving 100,000 patients annually with 7,500 surgeries Recognized for quality and humanized service |
1,517 |
| 99 |
Instituto Acquainstitutoacqua.org.br
A non-profit organization specializing in public and private healthcare services nationwide, managing over 35 health facilities with a focus on humanized care and team qualification |
1,486 |
| 100 |
Cdb - Centro De Diagnosticos Brasilcdb.com.br
Leader in imaging exams, laboratory tests, and vaccines, setting the standard in healthcare services |
1,446 |
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Every company on this list has a Tamtam company profile. The industry is the one the company gives on LinkedIn; categories such as SaaS or fintech are classified by Tamtam's AI from the company's website and LinkedIn page; and the headquarters city must match the company's own address. Companies are ranked by the number of employees on LinkedIn, and the list is refreshed every night. Classifications can be wrong, so treat the list as a starting point rather than an official ranking. Last updated Oct 24, 2026.
More company lists in São Paulo State
- The largest companies in São Paulo State 6,563
- Retail chains in São Paulo State 427
- Manufacturers in São Paulo State 401
- Retail companies in São Paulo State 386
- Financial Services companies in São Paulo State 367
- IT Services and IT Consulting companies in São Paulo State 334
- Financial services firms in São Paulo State 323
- Critical infrastructure operators in São Paulo State 287
- Hospitals and Health Care companies in São Paulo State 240
- Education providers in São Paulo State 239
- E-commerce companies in São Paulo State 195
- Food and Beverage Services companies in São Paulo State 195
- Construction companies in São Paulo State 182
- Wellness and Fitness Services companies in São Paulo State 170
- Transportation, Logistics, Supply Chain and Storage companies in São Paulo State 164
- Higher Education companies in São Paulo State 161
- Facilities Services companies in São Paulo State 129
- Logistics companies in São Paulo State 128
- Food and beverage companies in São Paulo State 127
- Consumer goods companies in São Paulo State 126
- SaaS companies in São Paulo State 126
- Motor Vehicle Manufacturing companies in São Paulo State 121
- Franchise networks in São Paulo State 117
- Government Administration companies in São Paulo State 112
The same list elsewhere in Brazil
- Healthcare providers in Brazil 617
- Healthcare providers in Minas Gerais 63
- Healthcare providers in Rio de Janeiro State 54
- Healthcare providers in Paraná 52
- Healthcare providers in Rio Grande do Sul 38
- Healthcare providers in Santa Catarina 29
- Healthcare providers in São Paulo 142
- Healthcare providers in Rio de Janeiro 36
- Healthcare providers in Belo Horizonte 34