These São Paulo State companies primarily operate in IT services, software development, and business consulting, with a strong presence of large groups. Noteworthy firms include Atento Brasil, a global leader in customer relationship management services, and Stefanini Group, offering a wide range of innovative services from automation to AI. AlmavivA Experience specializes in BPO solutions for customer service, while Serasa Experian provides data-driven solutions for credit and fraud management. Bosch Brasil focuses on smart home and Industry 4.0 solutions, and QuintoAndar is Latin America's largest real estate ecosystem.
A clear pattern among these companies is their concentration in São Paulo city, with the majority of headquarters located there. This indicates a strong hub for technology and business services within the state.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
Atento Brasilatento.com
A global leader in customer relationship management services, offering outsourcing solutions to a wide range of industries in multiple countries |
43,729 | |||
| 2 |
Stefanini Groupstefanini.com
A global company offering a wide range of innovative services such as automation, cloud, IoT, UX, AI, consulting, and marketing solutions |
24,358 | |||
| 3 |
AlmavivA Experiencealmavivaexperience.com.br
A leading contact center company in Brazil offering innovative BPO solutions for customer service, sales, collections, and back office, along with Trade Marketing services |
23,587 | |||
| 4 |
Stefanini Brasilstefanini.com
A global IT services provider offering consulting, integration, solution development, BPO, outsourcing, and technology-based business solutions in over 35 countries |
12,265 | |||
| 5 |
Neobponeohype.co
A Brazilian company specializing in Customer Experience and digital product development, with over 10,000 employees across 5 units in Sao Paulo and Rio de Janeiro |
10,231 | |||
| 6 |
Accenture Brasilaccenture.com
A global professional services company specializing in digital, cloud, and security services, serving clients in over 120 countries with 710,000 employees worldwide |
9,943 | |||
| 7 |
Serasa Experianserasaexperian.com.br
Provide data-driven solutions for credit, fraud management, marketing, digital certification, and consumer financial protection to support economic development. |
7,213 | |||
| 8 |
Bosch Brasilbosch.com.br
A global technology supplier offering innovative solutions for smart homes, Industry 40, and connected mobility with a focus on sustainability and safety |
6,246 | |||
| 9 |
QuintoAndarcarreiras.quintoandar.com.br
Largest Latin America real estate ecosystem offering diverse brands and innovative technologies to enhance and support all housing journey stages. |
5,039 | |||
| 10 |
Luft Logisticsluft.com.br
A leading logistics provider in Brazil, offering comprehensive solutions for agriculture, healthcare, and e-commerce sectors, including warehousing, distribution, and reverse logistics |
4,020 | |||
| 11 |
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 | |||
| 12 |
Stefanini LATAMstefanini.com
Provides integrated digital transformation services including consulting, AI, cybersecurity, banking, manufacturing, and digital marketing across 41 countries. |
2,651 | |||
| 13 |
LEGALoperadora.legal
LEGAL provides technology rental and subscription services in São Paulo, offering solutions such as internet, drones, WiFi infrastructure, IoT, and gadget rentals for businesses and events |
2,576 | |||
| 14 |
Flashflashapp.com.br
A comprehensive platform offering solutions for benefits management, HR, and corporate expenses to streamline processes and increase productivity for businesses |
2,463 | |||
| 15 |
Intervalorintervalor.com.br
With over 25 years in the market and part of the Clash group, the company offers personalized credit and debt collection solutions using technology and specialized teams |
2,305 | |||
| 16 |
CTCctctech.com.br
A leading provider of IT solutions since 1994, offering innovative products and services nationwide with a focus on customer needs and quality |
2,264 | |||
| 17 |
Loftloft.com.br
Innovating real estate in Brazil with technology and data, simplifying buying and selling processes for faster, fairer transactions |
2,144 | |||
| 18 |
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 | |||
| 19 |
Stefanini North America and APACstefanini.com
A multinational company offering innovative technological solutions to help clients transform their business through digital innovation and co-creation for a better future |
1,999 | |||
| 20 |
Topaztopazevolution.com
A technology company in the b2b market with a comprehensive financial platform offering solutions for digital transformation, fraud prevention, and secure cooperation |
1,976 | |||
| 21 |
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 | |||
| 22 |
DDS Telecomunicações Ltdadds.com.br
Specializing in system integration, communication solutions for Contact Centers and Corporations nationwide, focusing on quality services tailored to each client's needs for competitive advantage |
1,596 | |||
| 23 |
CPQDcpqd.com.br
A leading innovator in information and communication technologies, specializing in solutions for various industries, digital transformation, IoT, AI, and more |
1,577 | |||
| 24 |
T-Systems do Brasilt-systems.com
Global leader in IT & Communications Technology, offering integrated solutions in Digital, SAP, Cloud, Infrastructure, and Security with focus on innovation and customer satisfaction |
1,528 | |||
| 25 |
Semantixsemantix.ai
Provides comprehensive data platforms and analytics solutions, leveraging Artificial Intelligence and Big Data for informed business decisions and growth. |
1,433 | |||
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. | |||||
| 26 |
Nava | Tech for Businessnava.com.br
A technology company passionate about people and innovation, empowering employees to create solutions for leading companies to positively impact the world |
1,374 | |||
| 27 | 1,238 | ||||
| 28 |
Solutis Tecnologiassolutis.com.br
Provider of services in strategy, design, and technology, specializing in accelerating digital transformation through cognitive, analytics, IOT, UX, cloud, mobile, and support solutions |
1,153 | |||
| 29 |
frete.comfretebras.com.br
Aiming to simplify cargo transportation in Latin America by connecting carriers with truck drivers efficiently and safely through innovative technologies |
1,129 | |||
| 30 |
Brasil Monksmonks.com
A global team offering digital content, data, media, and technology services to a wide range of clients, leading brands into a new digital era |
1,116 | |||
| 31 |
Superlógica Tecnologiassuperlogica.com
A financial management system catering to businesses with subscription-based revenue models, such as real estate agencies, SaaS providers, schools, and more |
1,018 | |||
| 32 |
Nuvemshopnuvemshop.com.br
Leading e-commerce platform in Latin America empowering over 120k entrepreneurs, with a team of 900+ across Brazil, Argentina, Colombia, and Mexico |
1,010 | |||
| 33 |
Grupo Aluraalura.com.br
A group of companies believing in the transformative power of education and technology to impact individuals and careers |
997 | |||
| 34 |
SiDisidi.org.br
An R&D institute in Brazil creating transformative projects and solving problems, impacting millions through innovation and making the future happen. |
996 | |||
| 35 |
Koinkoin.com.br
The company offers Buy Now, Pay Later solutions for online purchases in Brazil, with a focus on financial solutions for B2B and B2C across Latin America |
963 | |||
| 36 |
Mutantmutant.com.br
A constantly evolving force that challenges the status quo, pushes boundaries, and believes in creating positive change through courage and determination |
943 | |||
| 37 |
NTT DATA BRASILnttdata.com
Global IT services arm of NTT with over 75,000 employees in 40+ countries Leading provider of innovative IT solutions benefiting businesses and organizations |
921 | |||
| 38 |
unico IDtechunico.io
Specializing in digital identity, we create solutions to simplify lives and boost businesses for millions of individuals and top firms in the country |
871 | |||
| 39 |
Venturusventurus.org.br
A non-profit organization in Brazil specializing in Research, Development & Innovation with global reach Working on cutting-edge projects in various industries |
866 | |||
| 40 |
Solinftecsolinftec.com
A global leader in AI and SaaS for agriculture, providing real-time insights to increase efficiency and sustainability in farming operations worldwide |
860 | |||
| 41 |
MATH Groupmath.group
A marketing and technology consulting firm that uses data analysis and technology to improve brand-customer relationships and optimize conversions for businesses globally |
827 | |||
| 42 |
Engineering Brasilengdb.com.br
A global organization providing innovative digital solutions in various sectors such as finance, government, healthcare, cities, industry, energy, and media |
811 | |||
| 43 |
ZENVIAzenvia.com
A Platform combining Natural and Artificial Intelligence to create unique customer experiences through unified communication across preferred channels |
789 | |||
| 44 | 728 | ||||
| 45 |
CloudWalk, Inc.cloudwalk.io
Revolutionizing Brazil's payment industry with innovative technology, fair fees, and inclusive solutions for entrepreneurs, reaching 300k+ businesses nationwide |
720 | |||
| 46 |
VOLLgovoll.com
Global business travel solution making travel and commuting seamless: simplifying processes, reducing costs, and facilitating booking to payment for teams |
705 | |||
| 47 | 662 | ||||
| 48 |
Avantia - Tecnologia e Segurançaavantia.com.br
Avantia offers integrated technology and engineering solutions to public and private entities, known for innovation, excellence, and expertise in engineering, technology, and security services |
656 | |||
| 49 |
Escola SAGAsaga.com.br
Leader in digital art and game development education in Brazil, offering courses in graphic design, animation, 3D, and VFX through 16 nationwide units |
636 | |||
| 50 |
HS Preventhsprevent.com.br
Specializing in services and technological solutions for over a decade, they enhance profitability by offering formalization, credit risk, anti-fraud, and transactional solutions |
631 | |||
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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 12, 2026.
More company lists in São Paulo State
- The largest companies in São Paulo State 6,967
- Manufacturers in São Paulo State 972
- Multinational companies in São Paulo State 757
- Retail chains in São Paulo State 741
- Financial Services companies in São Paulo State 557
- Financial services firms in São Paulo State 468
- Education providers in São Paulo State 466
- Critical infrastructure operators in São Paulo State 437
- Companies with a mobile app in São Paulo State 415
- Healthcare providers in São Paulo State 390
- Retail companies in São Paulo State 390
- Companies with in-house R&D in São Paulo State 370
- E-commerce companies in São Paulo State 369
- IT Services and IT Consulting companies in São Paulo State 350
- Corporate groups and holding companies in São Paulo State 318
- Food and beverage companies in São Paulo State 267
- Professional services firms in São Paulo State 265
- Hardware manufacturers in São Paulo State 260
- Logistics companies in São Paulo State 247
- Hospitals and Health Care companies in São Paulo State 242
- Distributors and wholesalers in São Paulo State 219
- Fintech companies in São Paulo State 207
- Consumer goods companies in São Paulo State 199
- Franchise networks in São Paulo State 199