The companies listed are predominantly large firms in the services sector, with a strong emphasis on telecommunications, healthcare, and software development. All companies are headquartered in São Paulo, indicating a concentrated business environment in this major Brazilian city. The average founding year for companies with available data is 1997, suggesting a mix of established and more recently founded businesses.
Notable examples include Claro Brasil, a telecommunications provider; TOTVS, a technology company offering business digitalization solutions; Smart Fit, a large fitness network; and NotreDame Intermédica, a significant healthcare provider. Other companies like Bradesco Seguros provide insurance services, while OdontoCompany operates as a large dental clinic network.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
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 | |||
| 2 | 17,675 | ||||
| 3 |
Smart Fitsmartfit.com.br
Largest fitness network in Latin America, democratizing high-standard fitness across 15 countries with over 1400 gyms, serving 4 million+ students |
15,094 | |||
| 4 |
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 | |||
| 5 |
Bradesco Segurosbradescoseguros.com.br
Provides insurance, capitalization, and open complementary pension services nationwide through extensive branches, brokers, and financial service subsidiaries. |
10,284 | |||
| 6 |
OdontoCompanyodontocompany.com
Brazil's largest network of dental clinics, offering over 50 treatments and pioneering preventative oral health care since 1990 |
9,185 | |||
| 7 |
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 | |||
| 8 |
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 | |||
| 9 |
Estaparestapar.com.br
A pioneer in urban mobility services, offering tech-based parking solutions, partnership with insurance company, online payment options, presence in 77 Brazilian cities |
4,996 | |||
| 10 |
SKY Brasilsky.com.br
Leading satellite TV operator in Brazil, providing digital TV services, innovative technology, and broadband internet across multiple cities nationwide. |
4,898 | |||
| 11 |
Sem Pararsemparar.gupy.io
Leading electronic vehicle identification and payment system for tolls, parking, and fuel in Brazil, enhancing customer experience across various establishments. |
4,363 | |||
| 12 |
UOLuol.com.br
UOL Content and Services provides a wide range of online journalism, entertainment, security solutions, digital media advertising, and digital payment services in Brazil |
4,106 | |||
| 13 |
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 | |||
| 14 | 3,386 | ||||
| 15 |
Veroquerovero.com.br
Brazilian telecommunications company providing quality service in over 450 cities across Minas Gerais, Center-West, South and Southeast regions. |
3,278 | |||
Want more companies than this list?This page shows the largest ones only. Connect to Tamtam to see every company that matches, filter by size, industry or growth, and reach their decision-makers. | |||||
| 16 |
Vagas.comvagas.com.br
We drive individuals and businesses forward through a connected recruitment process, helping them reach their full potential together with valuable encounters |
3,275 | |||
| 17 |
SIMPRESSsimpress.com.br
With over 20 years of experience, we provide IT equipment outsourcing solutions to streamline businesses and make their routines more strategic and sustainable |
2,666 | |||
| 18 |
Aluraalura.com.br
An ecosystem in Brazil focused on technology education, providing online learning opportunities to transform lives and careers since 2011 |
2,654 | |||
| 19 |
Bluefit Academiabluefitacademia.com.br
A leading Brazilian gym network providing specialized services, modern facilities, and a variety of group classes across 19 states |
2,577 | |||
| 20 |
Park Indigo Brasilparkindigo.com.br
A leader in car park management with 17 years of experience in Brazil, operating in 47 cities and 17 states, creating spaces for the future |
2,018 | |||
| 21 |
W1 Consultoriaw1.com.br
A pioneering financial consulting firm in Brazil, with over 40 years of successful business in Europe, helping clients achieve their financial goals |
1,943 | |||
| 22 |
Broadcast | Agência Estadobroadcast.com.br
A pioneer in real-time information distribution with over 50 years of experience, offering leading financial news services to a wide range of clients |
1,853 | |||
| 23 |
Abrilgrupoabril.com.br
A leading Latin American communications conglomerate offering information, education, and entertainment to diverse segments of the Brazilian population |
1,809 | |||
| 24 |
Kovikovi.com.br
Simplifying and enriching the car ownership experience for all individuals with a focus on inclusivity and human-centered approaches |
1,751 | |||
| 25 |
Omieomie.com.br
Innovative business management system provider focused on driving economic prosperity in Brazil Offering cloud-based ERP software, financial services, education, and community connectivity |
1,745 | |||
| 26 |
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 | |||
| 27 |
Alicealice.com.br
An innovative employer health plan focused on making the world healthier, offering nationwide coverage with top hospitals and labs in Brazil24/7 health team support |
1,473 | |||
| 28 |
GWM Brasilgwmmotors.com.br
Investing in Brazilian automotive manufacturing, producing hybrid and electric vehicles for export across Latin America, and leading in SUVs and pickup trucks. |
1,382 | |||
| 29 |
Bio Ritmo Academiabioritmo.com.br
A leading fitness brand offering innovative services, top-notch facilities, and expert guidance to promote a healthy and active lifestyle for clients |
1,244 | |||
| 30 | 1,238 | ||||
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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 Nov 11, 2026.
More company lists in São Paulo
- The largest companies in São Paulo 3,842
- Multinational companies in São Paulo 472
- Financial Services companies in São Paulo 440
- Retail chains in São Paulo 397
- Financial services firms in São Paulo 381
- Education providers in São Paulo 293
- Manufacturers in São Paulo 279
- Companies with a mobile app in São Paulo 277
- Critical infrastructure operators in São Paulo 251
- IT Services and IT Consulting companies in São Paulo 239
- E-commerce companies in São Paulo 218
- Retail companies in São Paulo 212
- Professional services firms in São Paulo 200
- Healthcare providers in São Paulo 197
- Corporate groups and holding companies in São Paulo 182
- Fintech companies in São Paulo 171
- Companies with in-house R&D in São Paulo 145
- Consulting firms in São Paulo 138
- IT services companies in São Paulo 130
- Hospitals and Health Care companies in São Paulo 116
- Franchise networks in São Paulo 114
- Distributors and wholesalers in São Paulo 103
- Publicly traded companies in São Paulo 102
- SaaS companies in São Paulo 102