| # | 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 |
Banco Bradescobanco.bradesco
A leading private financial institution focusing on providing efficient solutions, products, and services to promote social mobility and sustainable development |
89,132 |
| 3 |
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 |
| 4 |
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 |
| 5 |
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 |
| 6 |
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 |
| 7 |
Santander Brasilsantander.com.br
A company dedicated to helping people prosper by serving customers, employees, and future employees with the #SantanderEffect |
32,155 |
| 8 |
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 |
| 9 |
Portoportoseguro.com.br
Provider of insurance, health, financial products, and services with embedded technology, serving millions across Brazil with innovation. |
24,338 |
| 10 |
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 |
| 11 |
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 |
| 12 |
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 |
| 13 |
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 |
| 14 |
Azul Linhas Aéreas Brasileirasvoeazul.com.br
Connects people, providing unique experiences with over 150 national and international destinations, recognized as a top global airline. |
15,787 |
| 15 | 13,142 | |
| 16 |
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 |
| 17 |
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 |
| 18 |
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 |
| 19 |
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 |
| 20 |
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 |
| 21 |
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 |
| 22 |
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 |
| 23 |
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 |
| 24 |
Cielocielo.com.br
An innovative technology and service provider for the retail industry, offering a portfolio of solutions to drive market evolution and meet customer needs |
9,877 |
| 25 |
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 |
| 26 |
CPFL Energiagrupocpfl.com.br
The company has been shaping the history of the Brazilian energy sector for 110 years, with a focus on distribution, generation, transmission, and services |
9,255 |
| 27 |
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 |
| 28 |
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 |
| 29 |
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 |
| 30 |
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 |
| 31 |
Rumorumolog.com
Offering integrated logistics solutions with a vast network of railroads and operations in Brazilian ports to transport agricultural products, fuel, containers, and cellulose for export |
7,494 |
| 32 |
PicPaypicpay.com
Offers comprehensive financial and non-financial services to individuals and entrepreneurs, including payments, credit, investments, insurance, consumption, and convenience solutions. |
7,478 |
| 33 |
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 |
| 34 |
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 |
| 35 |
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 |
| 36 |
Agibankagibank.com.br
Offers digital and in-person banking services to Brazilians, fostering an entrepreneurial culture for customer-centric growth in corporate, technology, and commercial teams. |
6,475 |
| 37 |
WFS | ORBITALlinktr.ee
Orbital is a Brazilian ground handling services provider offering ground security, technical advisory, customer services, ramp services, and training |
6,463 |
| 38 |
Braspress Transportes Urgentesbraspress.com
Established in 1977, the company is a leader in transportation services in Brazil, with a vast network of branches and a strong emphasis on commitment and empathy |
6,460 |
| 39 |
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 |
| 40 |
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 |
| 41 |
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 |
| 42 |
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 |
| 43 | 5,695 | |
| 44 |
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 |
| 45 |
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 |
| 46 |
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 |
| 47 |
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 |
| 48 |
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 |
| 49 |
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 |
| 50 | 4,876 | |
| 51 |
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 |
| 52 |
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 |
| 53 | 4,511 | |
| 54 |
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 |
| 55 |
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 |
| 56 |
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 |
| 57 |
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 |
| 58 |
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 |
| 59 |
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 |
| 60 |
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 |
| 61 |
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 |
| 62 |
Tecbantecban.com.br
With 41 years of experience, the company provides 22 financial solutions to integrate physical and digital channels, aiming to simplify daily tasks and drive the economy |
3,998 |
| 63 |
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 |
| 64 |
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 |
| 65 |
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 |
| 66 |
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 |
| 67 |
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 |
| 68 |
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 |
| 69 |
DESKTOPdesktop.com.br
A telecommunications company dedicated to providing high-speed, stable, and innovative internet connections through 100% fiber optic technology Serving over 1 million customers in Brazil |
3,387 |
| 70 |
Veroquerovero.com.br
Brazilian telecommunications company providing quality service in over 450 cities across Minas Gerais, Center-West, South and Southeast regions. |
3,278 |
| 71 |
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 |
| 72 |
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 |
| 73 |
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 |
| 74 |
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 |
| 75 |
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 |
| 76 |
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 |
| 77 |
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 |
| 78 |
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 |
| 79 |
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 |
| 80 |
Prefeitura Municipal de Jacareíjacarei.sp.gov.br
This organization is located in a municipality in São Paulo, Brazil, focusing on historical and cultural aspects of the region |
2,541 |
| 81 |
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 |
| 82 |
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 |
| 83 |
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 |
| 84 |
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 |
| 85 |
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 |
| 86 |
Grupo EcoRodoviasecorodovias.com.br
A leading Brazilian infrastructure group operating sustainable and socially responsible highway concessions since 1997 |
2,282 |
| 87 |
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 |
| 88 |
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 |
| 89 |
ISA ENERGIA BRASILisaenergiabrasil.com.br
Leading in energy transmission, this organization transports a significant portion of Brazil's electricity annually, ensuring quality and reliability through innovation and improvements |
2,245 |
| 90 |
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 |
| 91 | 2,120 | |
| 92 |
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 |
| 93 |
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 |
| 94 |
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 |
| 95 |
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 |
| 96 |
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 |
| 97 |
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 |
| 98 |
GRU Airport - Aeroporto Internacional de São Paulogru.com.br
Leading airport in Latin America with private ownership since 2012, offering quality services in a safe, comfortable, and clean environment, connecting millions of people worldwide |
1,958 |
| 99 |
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 |
| 100 |
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 |
Turn this list into pipeline
Tamtam finds the decision-makers at every company on a list like this one, with verified emails, phone numbers and the buying signals that tell you when to reach out.
How this list is built
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
- Healthcare providers in São Paulo State 240
- 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
- Critical infrastructure operators in Brazil 708
- 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 São Paulo 193
- Critical infrastructure operators in Rio de Janeiro 64
- Critical infrastructure operators in Belo Horizonte 34
- Critical infrastructure operators in Brasília 28