This list features large managed service providers in São Paulo State, predominantly in IT services and consulting. Companies like Stefanini Group offer extensive services including automation, cloud, IoT, and AI, while TIVIT specializes in digital solutions, cloud, and digital payments. V.tal stands out as a telecommunications provider with Brazil's largest neutral fiber optic network, and LEGAL offers technology rental and subscription services.
The majority of these companies, such as Prodam and T-Systems do Brasil, are headquartered in São Paulo. A notable pattern is the prevalence of long-established firms; Prodesp was founded in 1969 and Prodam in 1971, indicating a mature market for IT services in the region.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
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 | |||
| 2 | 11,271 | ||||
| 3 | 3,386 | ||||
| 4 |
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 | |||
| 5 | 2,120 | ||||
| 6 |
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 | |||
| 7 |
Prodespprodesp.sp.gov.br
Technology company providing information technology services for the State Government of São Paulo |
1,838 | |||
| 8 |
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 | |||
| 9 |
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 | |||
| 10 |
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 | |||
| 11 |
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 | |||
| 12 |
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 | |||
| 13 |
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 | |||
| 14 |
Ascentyascenty.com
Leading provider of data center and connectivity services in Latin America with a strong presence in Brazil, Chile, and Mexico |
919 | |||
| 15 |
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 | |||
| 16 |
Getronicsconnectis.tech
Provider of flexible, secure, and reliable technology services tailored to drive growth, increase efficiency, reduce costs, and achieve measurable success with sustainable IT solutions |
818 | |||
| 17 |
Huawei Brasilhuawei.com
Global leader in ICT solutions, focusing on telecommunications, devices, and cloud computing Committed to creating value for telecom operators, businesses, and consumers worldwide |
775 | |||
| 18 |
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 | |||
| 19 |
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 | |||
| 20 |
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 | |||
| 21 |
Delfiadelfia.tech
A Brazilian multinational specializing in digital curation, offering continuous training to curators to identify and implement innovative solutions for digital success |
694 | |||
| 22 |
green4Tgreen4t.com
Provider of technology and digital infrastructure solutions in Latin America, serving companies, cities, and nations for enhanced connectivity and efficiency |
674 | |||
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. | |||||
| 23 |
RTMrtm.net.br
Integrator hub in Brazilian financial market, providing secure technological solutions to over 700 institutions, connecting key players in the industry |
660 | |||
| 24 |
Skyoneskyone.solutions
A technology solutions provider focused on agility, innovation, and simplifying business processes to help companies evolve and improve customer experiences |
610 | |||
| 25 |
SAMMsamm.com.br
A national telecommunications company specializing in internet access, long-distance transport links, high-capacity services, and customized telecom solutions for corporate clients |
556 | |||
| 26 |
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 | |||
| 27 |
Tecnocomp Tecnologia e Serviçostecnocomp.com.br
With over 40 years of experience in ICT services, this Brazilian company offers digital transformation, managed services, IT infrastructure, and Data Center technology solutions nationwide |
439 | |||
| 28 |
wevywevy.cloud
Innovative technology partner specializing in Cloud, Database, Digital Services, and Hyperautomation to drive businesses forward into the future |
430 | |||
| 29 |
Samsung SDS Latin Americasamsungsds.com
A technology services company in Latin America, part of the Samsung Group, offering a wide range of innovative services for digital transformation |
425 | |||
| 30 |
NESSness.com.br
Strategic partner specializing in business processes, technology, and innovation Delivering results, managing risks, and driving efficiency for over 25 years |
418 | |||
| 31 |
Magalu Cloudmagalu.cloud
A cloud services platform empowering tech teams in Brazil with local engineering, simple interface, competitive prices, Portuguese support, and local payment methods |
406 | |||
| 32 |
Engemon ITengemon.com.br
Technology integration company offering infrastructure, services, security, and innovation solutions from top global suppliers to boost business performance |
387 | |||
| 33 | 372 | ||||
| 34 |
Claranet Brasilclaranet.com
Global technology service provider specializing in cloud, AI, cybersecurity, and digital transformation consulting with scalable, customized solutions for clients worldwide. |
331 | |||
| 35 | 314 | ||||
| 36 |
Darededarede.com.br
Innovating IT services since 2013, delivering personalized solutions with high quality Recognized as an AWS Partner of the Year 2021 Visit our website for more information |
309 | |||
| 37 |
Tech Mahindra - Brasiltechmahindra.com
A global tech company offering consulting, digital transformation, integrated engineering, and services, with innovative solutions to drive tangible business value for partners |
244 | |||
| 38 |
Dedalusdedalusprime.com
Specialized in Cloud Computing and Data services, we stand out in the Technology market for our innovative leadership We help companies explore their full potential |
227 | |||
| 39 | 194 | ||||
| 40 |
SantoDigitalsantodigital.com.br
With over 13 years of experience, specializes in cloud computing services and drives digital transformation for Brazilian businesses through innovative solutions and strategies |
190 | |||
| 41 |
EBS-ITebs-it.com
Specialized consulting in IT and business solutions, focusing on digital transformation to drive sustainable growth for partner organizations since 2012 |
186 | |||
| 42 |
SoftwareONE Brazilsoftwareone.com
Global provider of software and cloud technology solutions, helping businesses with strategy, procurement, management, and optimization through digital platform PyraCloud |
185 | |||
| 43 |
MR Consultoriamrconsultoria.com.br
Renowned technology specialist providing customized IT solutions and outsourcing services Offers governance methodology based on top frameworks, serving businesses of all sizes and industries |
185 | |||
| 44 |
Com4 Data Centercom4.com.br
Established in 1998, the company is the largest Data Center in the interior of São Paulo, providing secure and flexible data solutions based on industry standards and Green IT principles |
51 | |||
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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 Nov 12, 2026.
More company lists in São Paulo State
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