| # | 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 |
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 |
| 12 |
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 |
| 13 |
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 |
| 14 |
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 |
| 15 |
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 |
| 16 |
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 |
| 17 |
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 |
| 18 |
OdontoCompanyodontocompany.com
Brazil's largest network of dental clinics, offering over 50 treatments and pioneering preventative oral health care since 1990 |
9,185 |
| 19 |
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 |
| 20 |
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 |
| 21 |
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 |
| 22 |
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 |
| 23 |
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 |
| 24 |
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 |
| 25 |
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 |
| 26 |
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 |
| 27 |
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 |
| 28 |
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 |
| 29 |
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 |
| 30 |
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 |
| 31 |
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 |
| 32 |
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 |
| 33 |
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 |
| 34 |
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 |
| 35 |
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 |
| 36 |
Clínica Odontológica
Specializing in clinical dental care services, providing dental treatments and consultations in a professional and thorough manner |
4,502 |
| 37 |
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 |
| 38 |
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 |
| 39 |
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 |
| 40 |
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 |
| 41 |
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 |
| 42 |
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 |
| 43 |
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 |
| 44 |
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 |
| 45 |
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 |
| 46 |
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 |
| 47 |
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 |
| 48 |
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 |
| 49 |
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 |
| 50 |
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 |
| 51 |
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 |
| 52 |
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 |
| 53 |
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 |
| 54 |
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 |
| 55 |
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 |
| 56 |
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 |
| 57 |
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 |
| 58 |
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 |
| 59 |
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 |
| 60 |
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 |
| 61 |
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 |
| 62 |
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 |
| 63 |
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 |
| 64 |
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 |
| 65 |
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 |
| 66 |
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 |
| 67 |
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 |
| 68 |
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 |
| 69 |
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 |
| 70 |
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 |
| 71 |
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 |
| 72 |
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 |
| 73 |
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 |
| 74 |
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 |
| 75 |
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 |
| 76 |
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 |
| 77 |
Cdb - Centro De Diagnosticos Brasilcdb.com.br
Leader in imaging exams, laboratory tests, and vaccines, setting the standard in healthcare services |
1,446 |
| 78 |
Hospital Albert Sabinhasabin.com.br
With over 50 years of experience, this hospital in São Paulo offers high-quality healthcare, modern facilities, and a range of medical specialties for patient-centered care |
1,406 |
| 79 |
dr.consultadrconsulta.com
A healthcare provider focused on revolutionizing access to quality medical care, serving millions with a commitment to innovation, technology, and positive impact |
1,337 |
| 80 |
Grupo Leforteleforte.com.br
Specializes in Cardiology, Neurology, Oncology, Orthopedics, Pediatrics, and organ transplants with two hospital units and a specialty clinic Visit our website and social media channels for more information |
1,280 |
| 81 |
Cema Hospital Especializado Ltdacemahospital.com.br
A leading healthcare provider specializing in ophthalmology and otolaryngology, known for excellence in eye, ear, nose, and throat treatment services |
1,213 |
| 82 |
Athena Saúdeathenasaude.com.br
An integrated healthcare provider with a wide range of services, including clinics, hospitals, and laboratories, offering high-quality personalized care to over 1 million beneficiaries nationwide |
1,191 |
| 83 |
Home Doctorhomedoctor.com.br
A Home Health Care service provider established in 1994, offering skilled care and assistance to individuals in their own homes |
1,152 |
| 84 |
Faculdade Israelita Albert Einsteinensino.einstein.br
A non-profit organization providing healthcare, education, research, and social projects, including a variety of educational programs in healthcare |
1,132 |
| 85 |
Hospital Municipal Dr. Moysés Deutsch - Parceria com Hospital Israelita Einsteinhmbm.org.br
A hospital opened in 2008 to support and strengthen basic health care in the M'Boi Mirim region, focusing on emergencies and maternity services for 3 million residents |
1,113 |
| 86 |
Kora Saúdekorasaude.com.br
A leading private hospital network expanding across Brazil, focusing on technological advancements, healthcare quality, and delivering solid results for people's health |
1,102 |
| 87 |
InSaúde - Instituto Nacional de Pesquisa e Gestão em Saúdeinsaude.org.br
A healthcare management organization focused on improving quality, implementing best practices, and providing humanized care for over 67 years |
1,096 |
| 88 |
Hospital do Rimhrim.com.br
A renowned hospital specializing in kidney transplants and kidney disease treatment, known for its excellence, research, and teaching in various medical fields |
1,085 |
| 89 |
Hospital Cruz Azul de São Paulocruzazulsp.com.br
Hospital Cruz Azul de São Paulo is a healthcare institution providing medical services in São Paulo, Brazil |
1,079 |
| 90 |
Grupo São Cristóvão Saúdesaocristovao.com.br
A renowned health institution in eastern São Paulo known for its century of credible service, leadership, and development in healthcare |
1,078 |
| 91 |
Opty - Hospitais Oftalmológicosopty.com.br
A group of ophthalmologists in Brazil formed a pioneering business model to provide high-quality eye care services across the country |
1,055 |
| 92 |
Consultório de Psicologia Particularpaulaneves.com.br
Specialized psychology office offering psychological therapy, assessments, and partnerships with companies and schools Providing services for children and adults Visit website for more information |
1,049 |
| 93 |
Promofarmapromofarma.com.br
Promofarma is a pharmacy network in São Paulo, providing specialized care, trained teams, and pharmacists on duty with a focus on customer health and savings |
1,038 |
| 94 |
Instituto Sócrates Guanaes - ISGisgsaude.org.br
Non-profit health organization founded in 2000, promoting quality healthcare through managing hospital and outpatient facilities and professional development, operating in nine states and 12 municipalities |
1,019 |
| 95 |
Instituto Mais Saúdeinstitutomaissaude.org.br
A non-profit organization managing healthcare services with a focus on humanization, ethics, quality, innovation, technology, and professional training programs |
1,014 |
| 96 |
Mandaqui Hospital Complexhospitalmandaqui.com.br
Specialized government hospital founded in 1938, focused on treating tuberculosis patients in the State of São Paulo |
988 |
| 97 |
Mantrisdasa.com.br
Leading provider of health and occupational safety management solutions within a large integrated healthcare network, offering vaccines, medical exams, executive check-ups, and diverse healthcare services |
941 |
| 98 |
Universidade Brasilub.edu.br
A leading educational institution in Brazil offering a wide range of undergraduate and postgraduate programs, with a focus on quality education and partnerships in football |
940 |
| 99 |
GRAACCgraacc.org.br
A non-profit institution focused on providing children and adolescents with cancer the best chances of cure and quality of life through advanced treatment and research |
939 |
| 100 |
Spdm - Associacao Paulista Para O Desenvolvimento Da Medicinaspdm.org.br
A leading university hospital with a rich history, training healthcare professionals and treating thousands of patients through advanced medical services |
933 |
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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
- The largest companies in São Paulo 3,574
- Financial Services companies in São Paulo 294
- Financial services firms in São Paulo 278
- Retail chains in São Paulo 253
- IT Services and IT Consulting companies in São Paulo 228
- Retail companies in São Paulo 209
- Critical infrastructure operators in São Paulo 193
- Education providers in São Paulo 157
- Manufacturers in São Paulo 135
- E-commerce companies in São Paulo 128
- Hospitals and Health Care companies in São Paulo 116
- Construction companies in São Paulo 100
- Advertising Services companies in São Paulo 98
- SaaS companies in São Paulo 92
- Wellness and Fitness Services companies in São Paulo 89
- Investment Management companies in São Paulo 88
- Higher Education companies in São Paulo 82
- Food and Beverage Services companies in São Paulo 79
- Franchise networks in São Paulo 72
- Facilities Services companies in São Paulo 70
- Publicly traded companies in São Paulo 70
- IT services companies in São Paulo 67
- Consumer goods companies in São Paulo 65
- Distributors and wholesalers in São Paulo 65
The same list elsewhere in Brazil
- Healthcare providers in Brazil 617
- Healthcare providers in São Paulo State 240
- 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 Rio de Janeiro 36
- Healthcare providers in Belo Horizonte 34