| # | Company | Employees |
|---|---|---|
| 1 |
Contax S.A.contax.com.br
Specializing in customer relationship management, this company provides customized, intelligent solutions through a human-centric approach, utilizing technology and multichannel strategies for brands and consumers |
25,342 |
| 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 |
Stonestone.com.br
An entrepreneurial Brazilian company focused on serving business owners, providing financial services and support across Brazil with a customer-centric approach |
14,090 |
| 5 | 11,271 | |
| 6 |
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 |
| 7 |
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 |
| 8 |
Glasgow Marketingfreelancehubs.com
A Glasgow-based marketing agency offering bespoke digital marketing services for medium to large companies, local governments, and organizations across various industries |
8,396 |
| 9 |
Linxlinx.com.br
Provides management software for various retail sectors, including gas stations, fashion, food, and supermarkets, with over 30 years of experience. |
4,176 |
| 10 |
F1RST Digital Servicesf1rst.com.br
An innovative and customer-focused organization, dedicated to providing services and experiences to over 50 million clients within the Santander ecosystem |
4,056 |
| 11 |
Metameta.com.br
Provides digital transformation solutions, from strategy to delivery, focusing on human-centered projects to optimize resources, simplify processes, and generate business growth. |
3,761 |
| 12 | 3,613 | |
| 13 |
CASTcast4it.com
A technology solutions provider with 25 years of experience, offering IT services in finance, industry, services, and the public sector nationally and globally |
2,866 |
| 14 |
BRQ Digital Solutionsbrq.com
A leading digital transformation company in Brazil creating high-impact solutions to accelerate clients' businesses with intelligence and technology |
2,822 |
| 15 |
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 |
| 16 |
Spread Tecnologiaspread.com.br
A leading provider in Communication and Collaboration, Systems, and Managed Services for various sectors with over 30 years of experience |
2,658 |
| 17 |
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 |
| 18 |
G&Pgpnet.com.br
With 34 years of experience in IT, we specialize in driving innovation and providing technology solutions to help businesses thrive in the digital era |
2,019 |
| 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 |
FIS Brasilfisglobal.com
Leading technology solutions provider for merchants, banks, and capital market companies worldwide, helping clients innovate and thrive in the dynamic financial industry landscape |
1,987 |
| 21 |
DIGISYSTEM - IT Solutionsdigisystem.com.br
A technology-focused business with over 30 years of experience, specializing in digital transformation and expanding presence in LATAM |
1,954 |
| 22 |
Easy (Easy Taxi)easytaxi.com
A leading urban mobility platform in Latin America offering affordable, reliable, convenient, and sophisticated transportation services Trusted by over 3000 clients |
1,917 |
| 23 |
Prodamportal.prodam.sp.gov.br
Strategic IT and communication solutions integrator for the City of Sao Paulo, enhancing citizen quality of life through innovative and transparent measures |
1,759 |
| 24 |
Thomson Reuters Brasilthomsonreuters.com.br
Provides intelligent solutions and information for businesses and professionals, combining intelligence, technology, and human expertise to aid administration and decision-making in foreign trade, accounting, legal, and tax markets. |
1,714 |
| 25 |
Zé Deliveryjob-boards.greenhouse.io
A Brazilian technology company with over 700 employees, leading the world's largest beverage delivery service, delivering 44 million orders in 2021 |
1,709 |
| 26 |
Qintessqintess.com
The company emphasizes agility and innovation, helping organizations create value, challenge current standards, and shape the future through visionary strategies and transformative ideas |
1,630 |
| 27 |
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 |
| 28 |
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 |
| 29 |
Globalweb Corpglobalweb.com.br
Cloud services provider offering ERP, CRM, security, data storage, and infrastructure solutions tailored to enhance business competitiveness with modern technology services |
1,443 |
| 30 |
Estudando
Specializing in general administration education at the undergraduate level |
1,369 |
| 31 |
Grupo New Spaceservicos.gruponewspace.com.br
With over 35 years of experience, the group offers technological solutions in finance, retail, healthcare, and services through various business lines |
1,352 |
| 32 |
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 |
| 33 |
Itautecitautec.com
A member of a large private group, this organization focuses on strategic financial decisions to support the expansion of diverse businesses Value-driven, ethical, and innovative |
1,146 |
| 34 |
Gertecgertec.com.br
With 24 years of experience, the company specializes in manufacturing a wide range of automated products for various industries worldwide |
1,108 |
| 35 |
Evertec Brasilevertecinc.com
We are a Brazilian fintech part of Evertec Inc, offering various financial solutions to accelerate companies into fintechs, including payment processing and digital banking |
1,097 |
| 36 |
Eloelo.com.br
A leading Brazilian payment technology company with over 43 million active cards in partnership with 38 issuers Recognized as a top workplace |
1,040 |
| 37 |
Iron Mountain Brasilironmountain.com.br
Global firm specializing in storing, protecting, and managing information and assets for over 220k clients worldwide through digital solutions, data management, and secure destruction services |
1,030 |
| 38 | 1,003 | |
| 39 |
Facilyloja.facily.com
A social commerce platform in Latin America, removing barriers in traditional e-commerce by empowering producers and offering affordable options to consumers |
979 |
| 40 |
NUMENnumenit.com
Specialized in business consultancy for digital transformation, we provide services in process management and IT, integrating technologies for operational excellence |
959 |
| 41 |
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 |
| 42 |
Scanntech Brasilscanntech.com.br
An intelligence platform in Latin America offering sell out data analysis, pricing optimization, POS activation, and promotions club services for retailers and manufacturers |
935 |
| 43 |
Interplayersinterplayers.com.br
A hub for Health and Wellness business, integrating pharmacies, clinics, hospitals, distributors, and industries nationwide to promote market participation and solutions |
934 |
| 44 |
Bionexobionexo.com
A healthcare technology SaaS company providing digital solutions to streamline procurement processes, increase transparency, and foster governance in the healthcare market |
922 |
| 45 |
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 |
| 46 |
FCamarafcamara.com
technology and innovation ecosystem delivering digital transformation, e-commerce, cloud, cybersecurity, data analytics, and marketing services across multiple industries |
908 |
| 47 |
Proprietário Diretoproprietariodireto.com.br
Revolutionizing the real estate market with an innovative platform connecting buyers and sellers to streamline property transactions |
904 |
| 48 |
SEIDOR Brasilseidorbrasil.com.br
Provides software consulting, IT services, cloud computing, IoT. Over 40 years experience. Strategic alliances with major tech developers globally, Platinum Partner with SAP. |
904 |
| 49 |
Scala Data Centersscaladatacenters.com
Leading Latin American provider of sustainable hyperscale data centers, offering customized solutions with high availability, energy efficiency, superior density, and ESG practices |
904 |
| 50 |
Sinqiasinqia.com.br
A leading fintech in Brazil with a passion for the financial sector, specializing in innovative technology solutions and recognized globally |
896 |
| 51 |
IT Worksitworks.com.br
Specializing in complete solutions for fiscal intelligence, the company offers expertise in accounting, tax, legislation, and technology to ensure compliance and productivity |
894 |
| 52 |
Ituran Brasilituran.com.br
Leader in vehicle monitoring and recovery for 22 years, offering advanced tracking technology to protect against theft Operating in multiple countries with a focus on safety and smart cities |
894 |
| 53 |
IT2B - Tecnologiait2b.com.br
A leading IT and Telecom solutions provider in Brazil, offering integration, outsourcing, product sales, printing, and specialized technical services to corporate and public sectors |
873 |
| 54 |
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 |
| 55 |
SysMap Solutionssysmap.com.br
A technology services provider with over 20 years of experience, delivering complex codes and systems tailored to meet clients' needs Trusted for excellent results |
854 |
| 56 |
SIMsimarketing.com.br
Streamline digital marketing operations and strategy execution for agencies with multi-accounts and businesses with a single account Organize based on customer journey |
847 |
| 57 |
Proxxi Tecnologiaproxxi.com.br
A technology services provider offering custom IT solutions for various industries, including support for IBM and non-IBM systems nationwide |
830 |
| 58 |
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 |
| 59 |
Dimensa Tecnologiadimensa.com
Provider of innovative financial solutions and digital tools for various industries, leveraging technology expertise to streamline operations and enhance management intelligence |
814 |
| 60 |
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 |
| 61 |
Ezentis Brasilezentis.com.br
Providing operation and maintenance services for energy and telecommunications infrastructures, focusing on innovation and advanced technology to enhance operations and support employee development With over 5,000 employees nationwide |
802 |
| 62 |
Santander Tecnologia
Provider of software and infrastructure solutions for Grupo Santander, specializing in innovative financial products and services developed by knowledgeable professionals |
794 |
| 63 |
ZENVIAzenvia.com
A Platform combining Natural and Artificial Intelligence to create unique customer experiences through unified communication across preferred channels |
789 |
| 64 | 780 | |
| 65 |
Service IT.service.com.br
Specializing in IT solutions and services such as outsourcing, cybersecurity, and consultation Providing monitoring and management through own operation centers in multiple countries |
751 |
| 66 | 749 | |
| 67 |
Vivo Vitavitait.com
IT Integrator and Service Provider with expertise in Connectivity, Mobility, Collaboration, Video, Automation, Datacenter, and Virtualization solutions, along with Advanced Services and Managed Services |
746 |
| 68 |
Cadastracadastra.com
Blends digital marketing services, consulting, and technology, helping clients transform and grow businesses through advanced digital operations and strategic partnerships. |
744 |
| 69 |
ScanSource Brasilscansource.com.br
Distributes commercial automation products, data collection solutions, telecom, networking, security, and monitoring equipment. Offers agile services like delivery, support, financing, training. |
737 |
| 70 | 728 | |
| 71 |
CloudWalk, Inc.cloudwalk.io
Revolutionizing Brazil's payment industry with innovative technology, fair fees, and inclusive solutions for entrepreneurs, reaching 300k+ businesses nationwide |
720 |
| 72 |
Ramo Brasilramo.com.br
Specializing in SAP solutions, we help organizations bridge the gap between strategy and execution through ERP systems and analytics tools |
717 |
| 73 |
UOL DIVEO
A Brazilian technology company providing state-of-the-art solutions to help clients lead their industries through digital transformation |
706 |
| 74 |
Logicalis Brasillogicalis.com
Global technology solutions and services provider with operations across five continents, serving over a thousand clients with innovative technology solutions for business digitalization |
698 |
| 75 |
Grupo Cardgrupocard.com.br
Providing Telecom and Payment Solutions for over 20 years with a strong presence in six Brazilian states and 90,000+ sales points, offering advantages for individuals and businesses |
694 |
| 76 |
green4Tgreen4t.com
Provider of technology and digital infrastructure solutions in Latin America, serving companies, cities, and nations for enhanced connectivity and efficiency |
674 |
| 77 |
Certisigncertisign.com.br
Specializing in digital identification and security solutions for over 26 years, we provide secure and seamless digital experiences for individuals and businesses, reducing fraud and costs |
668 |
| 78 |
RTMrtm.net.br
Integrator hub in Brazilian financial market, providing secure technological solutions to over 700 institutions, connecting key players in the industry |
660 |
| 79 |
Apdata do Brasilapdata.com
Provider of advanced HR software solutions including payroll, time management, recruitment, and training services for companies worldwide, supporting diverse labor laws |
611 |
| 80 |
ATECH – NEGÓCIOS EM TECNOLOGIAS S/Aatech.com.br
Specializing in critical mission solutions and decision-making technologies with a focus on defense projects, innovative solutions, asset management, logistics, digital security, and smart connections |
609 |
| 81 |
BRK Tecnologiabrktecnologia.com.br
Leader in risk management, logistics, and accident prevention for road freight transportation Specializing in technology-driven solutions for safer, efficient, and profitable operations |
601 |
| 82 | 591 | |
| 83 | 586 | |
| 84 |
Finch | a big.legal.tech do Brasilfinchsolucoes.com.br
A tech-enabled-service company that provides a platform to optimize legal departments with AI, automation, and management tools, yielding tangible business benefits for clients |
582 |
| 85 |
Virtual Connectionvirtualconnection.com.br
An innovative enterprise focused on boosting client financial results through creativity, quality products, and alignment with client needs Acquired a consulting firm to expand portfolio |
573 |
| 86 |
Scopus Soluções em TIscopus.com.br
Established in 1975 in São Paulo, Scopus is a top Brazilian IT company providing innovative solutions tailored to client needs, focusing on quality, agility, and security |
572 |
| 87 |
3AM IT Services3am-it.com.br
Specialized IT solutions provider since 2011, offering services such as Service Desk, Field Support, Projects, Allocation, and Cabling for businesses nationwide |
557 |
| 88 |
ODATA - An Aligned Data Centers Companyodatacolocation.com
A data center provider offering scalable IT infrastructure solutions across the Americas, meeting power, space, and reliability needs for various industries |
543 |
| 89 |
Almaviva Solutionsalmavivasolutions.com.br
Provides innovative IT solutions and services to public and private sectors, supporting business challenges and digital transformation in Brazil. |
540 |
| 90 |
Synchro - Solução Fiscalsynchro.com.br
Provider of fiscal software and services tailored to Brazilian needs for various industries, with a focus on tax and technology solutions |
534 |
| 91 |
Função Sistemas - PÁGINA OFICIALfuncao.com.br
Specialized provider of credit operations solutions for the financial market since 1990, offering cutting-edge products, technological expertise, and a focus on client financial results |
534 |
| 92 |
Concentrix Brasilconcentrix.com
Global leader in BPO services, with over 40 years of experience, focusing on enhancing client competitiveness through innovative digital solutions and strategic partnerships |
532 |
| 93 |
Eicon Controle Inteligenteseicon.com.br
Tailored and efficient solutions that exceed expectations in the capitalist world through competitive intelligence, marketing, strategy, and deep business knowledge |
530 |
| 94 |
Ka Solutionkasolution.com.br
Leading training center for Microsoft, Oracle, and SAP ERP in Brazil Offering courses, e-learning projects, and customized solutions for corporate clients nationwide |
521 |
| 95 |
Provider ITprovider-it.com.br
A leading IT consultancy providing customized solutions to top insurance companies and large businesses across various industries in Brazil |
513 |
| 96 |
íliailia.digital
Creates digital products, delivering consistent results through technology, data, and AI. Offers high-impact solutions for large companies in financial services, insurance, and mobility. |
501 |
| 97 | 497 | |
| 98 |
OKI Brasiloki.com
The company is undergoing a strategic reorganization, selling its technology and automation services and closing industrial operations in Brazil |
477 |
| 99 |
AI/R Invilliainvillia.ai
A globally distributed tech company specializing in tailor-made software, digital products, and tech design to empower businesses with innovative solutions |
476 |
| 100 |
Asperasper.tec.br
A rapidly growing cybersecurity company offering managed services to protect organizations' valuable assets, with a team of experts in digital security |
474 |
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 10, 2026.
More company lists in São Paulo
- The largest companies in São Paulo 3,574
- Financial Services companies in São Paulo 293
- Retail companies in São Paulo 210
- Hospitals and Health Care companies in São Paulo 115
- Construction companies in São Paulo 100
- Advertising Services companies in São Paulo 98
- SaaS companies in São Paulo 92
- Investment Management companies in São Paulo 89
- Wellness and Fitness Services companies in São Paulo 89
- Higher Education companies in São Paulo 82
- Food and Beverage Services companies in São Paulo 79
- Facilities Services companies in São Paulo 70
- Primary and Secondary Education companies in São Paulo 62
- Software Development companies in São Paulo 57
- Education Administration Programs companies in São Paulo 56
- Real Estate companies in São Paulo 55
- Business Consulting and Services companies in São Paulo 53
- Technology, Information and Internet companies in São Paulo 52
- Transportation, Logistics, Supply Chain and Storage companies in São Paulo 52
- Insurance companies in São Paulo 51
- Outsourcing and Offshoring Consulting companies in São Paulo 50
- Non-profit Organizations companies in São Paulo 45
- Telecommunications companies in São Paulo 45
- Civil Engineering companies in São Paulo 43