| # | Company | Employees |
|---|---|---|
| 1 |
Itaú Unibancoitau.com.br
Latin America's largest bank focusing on empowering people's transformation through news, work environment details, opportunities, and trends sharing |
112,811 |
| 2 |
Claro Brasilclaro.com.br
A leading provider of connectivity infrastructure, offering innovative entertainment, finance, and industrial solutions with a focus on sustainability and social impact |
43,065 |
| 3 |
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 |
| 4 |
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 |
| 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 |
Santander Brasilsantander.com.br
A company dedicated to helping people prosper by serving customers, employees, and future employees with the #SantanderEffect |
32,155 |
| 7 |
Raízenraizen.com.br
A global leader in bioenergy, driving the energy transition with an integrated model from production to distribution, focusing on sustainability and innovation |
28,835 |
| 8 |
Portoportoseguro.com.br
Provider of insurance, health, financial products, and services with embedded technology, serving millions across Brazil with innovation. |
24,338 |
| 9 |
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 |
| 10 |
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 |
| 11 |
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 |
| 12 |
GOL Linhas Aéreasvoegol.com.br
Leading Brazilian airline focused on innovation, safety, and customer experience Promotes diversity and inclusion while offering convenient travel options and entertainment onboard flights |
17,183 |
| 13 | 13,142 | |
| 14 |
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 |
| 15 |
Nubanknubank.com.br
A leading digital banking platform in Latin America, offering innovative financial solutions that are simple, convenient, low-cost, and empowering |
11,879 |
| 16 |
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 |
| 17 |
Safrasafra.com.br
Global financial services firm with 180 years of experience in investments, credit, and wealth management, focusing on long-term client relationships and risk management. |
11,615 |
| 18 |
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 |
| 19 |
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 |
| 20 |
Grupo CCRgrupoccr.com.br
Manages highway concessions in Brazil, including São Paulo, Rio de Janeiro, and Paraná. Operates São Paulo Metro Line 4 and invests in related infrastructure. |
9,943 |
| 21 |
BTG Pactualbtgpactual.com
A leading investment bank in Latin America offering a wide range of financial services including investment banking, wealth management, and digital investments |
9,887 |
| 22 |
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 |
| 23 |
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 |
| 24 |
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 |
| 25 |
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 |
| 26 |
PicPaypicpay.com
Offers comprehensive financial and non-financial services to individuals and entrepreneurs, including payments, credit, investments, insurance, consumption, and convenience solutions. |
7,478 |
| 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 |
Aegea Saneamentoaegea.com.br
A leading provider of sanitation services in Brazil, focusing on efficient solutions tailored to each municipality, with a commitment to sustainability and improving people's quality of life |
6,664 |
| 30 |
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 |
| 31 |
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 |
| 32 |
NET Oficialclaro.com.br
A leading telecommunications provider in Brazil, offering TV, 45G, and broadband services, in partnership with Claro Brasil for a seamless customer experience |
6,100 |
| 33 |
Enel Brasilenel.com.br
Global energy player, Brazilian leader in renewable generation, providing distribution and generation services to millions of customers in São Paulo, Rio de Janeiro, and Ceará. |
5,778 |
| 34 | 5,695 | |
| 35 |
Crefisacrefisa.com.br
Provides personal loans to retirees, pensioners, and public servants, including those with negative credit or no margin for payroll deduction, focusing on financial solutions. |
5,581 |
| 36 |
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 |
| 37 |
Itau BBAitau.com.br
A leading corporate investment bank offering tailored financial solutions to institutional investors and high-revenue clients worldwide in major financial centers |
5,282 |
| 38 |
Alloha Fibraalloha.com
Leading independent fiber optic company providing connectivity solutions across Brazil for consumers and businesses, focused on digital inclusion and social development. |
5,084 |
| 39 |
C6 Bankc6bank.com.br
Transforming the financial experience of over 25 million people in Brazil, voted best digital bank by popular opinion Join as a CSixer! |
4,980 |
| 40 |
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 |
| 41 | 4,876 | |
| 42 |
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 |
| 43 |
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 |
| 44 | 4,511 | |
| 45 |
CPTM - Companhia Paulista de Trens Metropolitanoscptm.sp.gov.br
They operate a commuter railway transporting 19 million passengers per weekday across 196 km of track, serving 18 municipalities |
4,330 |
| 46 |
Jadlog Logísticajadlog.com.br
One of the largest logistics and fractional express cargo transportation companies in Brazil, offering fast and quality services through a wide network of franchises |
4,241 |
| 47 |
Banco PANbancopan.com.br
Financial institution. Sustainable, inspires employees to surprise customers, maintaining true, long-term relationships, acting with ethics, humility, transparency, and valuing talent. |
4,158 |
| 48 |
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 |
| 49 |
Banco Daycovaldaycoval.com.br
Financial institution providing credit for businesses and individuals, offering foreign exchange products, asset management, and investment solutions across Brazil. |
4,132 |
| 50 |
Metrô de São Paulometro.sp.gov.br
The company operates and expands the metro network in São Paulo, responsible for transportation planning and handling millions of daily passengers |
4,114 |
| 51 |
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 |
| 52 |
Nextel Brasilclaro.com.br
Started in 1997, then acquired by Claro in 2019. Now operates as Claro nxt, providing an enhanced experience to customers in Brazil. |
3,571 |
| 53 |
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 |
| 54 |
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 |
| 55 |
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 |
| 56 |
Copa Energiacopaenergia.com.br
Leading the way in innovative energy solutions, driving sustainable development with a focus on clean energy sources for a better future |
3,454 |
| 57 |
Veroquerovero.com.br
Brazilian telecommunications company providing quality service in over 450 cities across Minas Gerais, Center-West, South and Southeast regions. |
3,278 |
| 58 |
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 |
| 59 |
Redeuserede.com.br
Accreditation, capture, transmission, and processing of credit/debit card transactions, offering multiservice platform solutions including prepayment, check verification, and various POS terminals. |
2,885 |
| 60 |
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 |
| 61 |
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 |
| 62 |
Arteris S.A.arteris.com.br
Specialized in managing highways, connecting people and optimizing freight transportation across important economic axes, promoting diversity, inclusion, equality, and values in daily operations #movement |
2,663 |
| 63 |
Odebrecht TransPortotp-sa.com.br
Established in 2010, the company develops, implements, operates, and invests in projects related to urban mobility, highways, ports, and integrated logistics systems in Brazil |
2,660 |
| 64 |
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 |
| 65 |
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 |
| 66 |
Auren Energiaaurenenergia.com.br
Provides competitive energy supply, including electricity and natural gas, for industrial, commercial, and service sectors, managing numerous power plants and consumer units. |
2,476 |
| 67 |
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 |
| 68 |
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 |
| 69 |
Iguá Saneamentoigua.com.br
Water and sanitation management firm operating across six Brazilian states through concessions and public-private partnerships, prioritizing sustainability and climate action |
2,331 |
| 70 |
EDP Brasilbrasil.edp.com
Operates across the entire value chain of the electricity sector, including generation, transmission, distribution, and energy solutions for 3.4 million customers. |
2,271 |
| 71 |
UNICREDunicred.com.br
A financial cooperative in Brazil for 32 years, dedicated to bringing prosperity to its members through a collaborative environment and personalized financial services |
2,249 |
| 72 |
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 |
| 73 | 2,120 | |
| 74 |
CET - Companhia de Engenharia de Tráfegocetsp.com.br
Official page of a traffic engineering company under the Municipal Mobility Department of the São Paulo City Hall |
2,118 |
| 75 |
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 |
| 76 |
Brasilsegbbseguros.com.br
Market leader in insurance with a focus on customer service, innovation, and transparency Offers a variety of insurance products through multiple channels |
2,053 |
| 77 |
Socicamsocicam.com.br
With 51 years of experience in Brazil, the company specializes in infrastructure solutions for airports, seaports, bus terminals, and urban areas, prioritizing citizen well-being |
2,011 |
| 78 |
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 |
| 79 |
Corpo de Bombeiros da PMESPcorpodebombeiros.sp.gov.br
Official page of the Fire Department of the Military Police of the State of São Paulo, providing emergency services since 1880 Mission: excellence and quality with social trust |
1,972 |
| 80 |
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 |
| 81 |
Allianz Brasilallianz.com.br
Global insurance provider, committed to building a better future for everyone by offering solid, sustainable solutions and ensuring data privacy. |
1,920 |
| 82 |
Banco ABC Brasilabcbrasil.com.br
Provides comprehensive financial solutions, accelerating sustainable business and individual development with commercial, investment, real estate credit, and insurance services for client prosperity. |
1,865 |
| 83 |
Hidrovias do Brasilhbsa.com.br
Integrated logistics company specializing in hydrovia transport across South America, focusing on grain and fertilizer transportation with sustainable practices. |
1,843 |
| 84 |
VIVO Empresasvivointerior.com.br
A telecom company in Sao Paulo offering tailored solutions with the best coverage, products, and services to simplify processes and reduce costs for clients |
1,826 |
| 85 |
Comgascomgas.com.br
A leading distributor of natural gas in Brazil with a vast network reaching over 13 million consumers in residential, commercial, and industrial sectors |
1,789 |
| 86 |
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 |
| 87 |
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 |
| 88 |
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 |
| 89 |
Alares Internetalaresinternet.com.br
A telecommunications business offering broadband internet, fiber optics, TV, and landline services across multiple states in Brazil, with a focus on growth and customer satisfaction |
1,675 |
| 90 |
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 |
| 91 |
Casa dos Ventos Energias Renováveiscasadosventos.com.br
Renewable energy solutions leader for businesses, spearheading Brazil's energy transition. Transforms natural resources into decarbonization strategies, building a sustainable future. |
1,608 |
| 92 |
Acelenacelen.com.br
An energy company investing, increasing efficiency, and boosting productivity in the Brazilian energy sector with high governance and safety standards, part of Mubadala Capital. |
1,590 |
| 93 |
Viação Cometa S.A.viacaocometa.com.br
A Brazilian bus transportation company operating in São Paulo, Rio de Janeiro, Minas Gerais, and Paraná states for intercity travel |
1,554 |
| 94 |
Grupo EPRgrupoepr.com.br
An infrastructure investment platform specializing in highway and mobility concessions, focusing on sustainable development through excellent service and consistent investments Operating in Minas Gerais and Paraná |
1,548 |
| 95 |
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 |
| 96 |
DHL Express Brasildhl.com
Provides international express shipping services, importing to Brazil and exporting to over 220 countries with fast transit times. |
1,505 |
| 97 |
Sambaiba Transportes Urbanos Ltdasambaibasp.com.br
Public transportation provider with a large fleet in São Paulo, focusing on compliance, customer communication, employee development, supplier partnerships, and environmental sustainability |
1,501 |
| 98 |
AES Brasilaesbrasil.com.br
Integrated energy platform offering tailored sustainable solutions for small and large businesses, from energy generation to renewable development, aiming to accelerate the future of energy |
1,410 |
| 99 |
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 |
| 100 | 1,321 |
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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
- Education providers in São Paulo 157
- Healthcare providers in São Paulo 142
- 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
- Critical infrastructure operators in Brazil 708
- Critical infrastructure operators in São Paulo State 287
- Critical infrastructure operators in Rio de Janeiro State 80
- Critical infrastructure operators in Minas Gerais 64
- Critical infrastructure operators in Paraná 47
- Critical infrastructure operators in Santa Catarina 36
- Critical infrastructure operators in Federal District 34
- Critical infrastructure operators in Rio Grande do Sul 30
- Critical infrastructure operators in Rio de Janeiro 64
- Critical infrastructure operators in Belo Horizonte 34
- Critical infrastructure operators in Brasília 28