The managed service providers in Brazil listed here are primarily large and mid-sized firms, with a strong focus on IT services, telecommunications, and broader technology solutions. Many companies offer a wide array of digital services, from cloud and AI to connectivity and infrastructure.
Stefanini Group, with over 24,000 employees, offers automation, cloud, IoT, and AI solutions. Oi focuses on high-speed connectivity and digital services, while TIVIT specializes in digital business, cloud solutions, and digital payments. Algar Telecom provides internet, mobile services, and IT solutions, and Embratel focuses on IT, Telecom, and Mobility solutions. A notable pattern is the concentration of headquarters in São Paulo, indicating a central hub for these services.
| # | 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 | 20,150 | ||||
| 3 | 11,271 | ||||
| 4 |
Algar Telecomalgartelecom.com.br
A telecommunications and technology company offering high-speed internet, quality mobile services, voice and data solutions, IT services, and innovative media solutions |
5,882 | |||
| 5 |
Embratelembratel.com.br
Specializing in IT, Telecom, and Mobility solutions, we help businesses evolve through digital transformation by offering a complete portfolio for innovation and growth |
5,118 | |||
| 6 | 3,386 | ||||
| 7 |
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 | |||
| 8 |
Montreal Oficialmontreal.com.br
A technology company in Brazil with over 30 years of experience, specializing in developing and implementing IT solutions for businesses globally |
2,464 | |||
| 9 |
Unifiqueunifique.com.br
Provides communication solutions: internet, TV, landline, mobile, and data center services for businesses, homes, and governments, with advanced technology and customer relationships. |
2,246 | |||
| 10 | 2,120 | ||||
| 11 |
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 | |||
| 12 |
Prodespprodesp.sp.gov.br
Technology company providing information technology services for the State Government of São Paulo |
1,838 | |||
| 13 |
Positivo S+positivosmais.com
Provider of managed IT services including digital workplace, cybersecurity, infrastructure, and cloud services with strong market presence in Brazil. |
1,828 | |||
| 14 |
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 | |||
| 15 |
Algargrupoalgar.com.br
Established in 1929, this entrepreneurial group operates in IT/Telecom, Agro, Services, and Tourism sectors nationwide, providing innovative, sustainable solutions |
1,583 | |||
| 16 |
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 | |||
| 17 |
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 | |||
| 18 |
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 | |||
| 19 |
DBAdba.com.br
Supplier of IT solutions for corporations and Government, specializing in technology, quality IT project management, and tailored expertise in clients' businesses |
1,353 | |||
| 20 |
Lanlink Informática Ltda.lanlink.com.br
A technology solutions provider established in 1988, dedicated to delivering quality, excellence, and reliability for business needs with long-term client relationships |
1,352 | |||
| 21 |
BrBPObrbpo.com.br
Brazilian capital-backed firm specialized in interactive client relationship management through integrated technology solutions, omnichannel platforms, and diverse service offerings across 12 strategic nationwide locations |
1,332 | |||
| 22 |
Mob Telecommobtelecom.com.br
This internet and telephony service provider in Ceará offers a wide range of services including internet access, hosting, system development, and corporate telephony |
1,049 | |||
| 23 |
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 | |||
| 24 |
InterOpinterop.com.br
Provides IT services including implementation, integration, monitoring, maintenance, and evolution of technology solutions for businesses of all sizes. |
936 | |||
| 25 |
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 | |||
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 |
Ascentyascenty.com
Leading provider of data center and connectivity services in Latin America with a strong presence in Brazil, Chile, and Mexico |
919 | |||
| 27 |
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 | |||
| 28 |
Extreme Digital Solutions - EDSwww2.extremedigital.com.br
Specializing in innovation and technology, we simplify business processes through creative and quality solutions, focusing on digital transformation, application development, and AI implementation |
823 | |||
| 29 |
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 | |||
| 30 |
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 | |||
| 31 |
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 | |||
| 32 |
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 | |||
| 33 |
Locaweblocaweb.com.br
A pioneering leader in hosted IT services in Brazil, offering a range of solutions from website hosting to cloud computing and VoIP telephony services |
718 | |||
| 34 |
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 | |||
| 35 |
Delfiadelfia.tech
A Brazilian multinational specializing in digital curation, offering continuous training to curators to identify and implement innovative solutions for digital success |
694 | |||
| 36 |
Allrede Telecomallrede.com.br
A leading telecom company providing high-quality internet, data transmission, fixed and mobile telephony, and various ICT solutions for homes and businesses |
691 | |||
| 37 |
green4Tgreen4t.com
Provider of technology and digital infrastructure solutions in Latin America, serving companies, cities, and nations for enhanced connectivity and efficiency |
674 | |||
| 38 |
Equinix Brasilequinix.com.br
Global interconnection platform connecting major companies with customers, employees, and partners in secure data centers worldwide Facilitating business growth, IT areas, and cloud strategies |
670 | |||
| 39 |
RTMrtm.net.br
Integrator hub in Brazilian financial market, providing secure technological solutions to over 700 institutions, connecting key players in the industry |
660 | |||
| 40 |
ArcelorMittal Sistemasbrasil.arcelormittal.com
Develops and integrates IT solutions, including cybersecurity, cloud platforms, and SAP projects, to support global steel manufacturing operations with industrial digital efficiency. |
657 | |||
| 41 |
BHSbhs.com.br
Specialists in delivering customized IT solutions to optimize businesses with services including IT infrastructure management, security, software development, collaboration portals, and outsourcing |
655 | |||
| 42 |
Hepta Informática Ltdahepta.com.br
Specializing in IT solutions since 1992, offering services such as infrastructure, security, training, and licensing Also providing consulting, development, integration, support, and training services |
636 | |||
| 43 |
Skyoneskyone.solutions
A technology solutions provider focused on agility, innovation, and simplifying business processes to help companies evolve and improve customer experiences |
610 | |||
| 44 | 598 | ||||
| 45 |
ISH Tecnologiaish.com.br
A fast-growing IT firm in Brazil offering cybersecurity, cloud computing, IT infrastructure services, and a Tier III Data Center with research & development for tech solutions |
596 | |||
| 46 |
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 | |||
| 47 |
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 | |||
| 48 |
BR.Digital Telecom AS14840br.digital
Specializing in fiber optic transmission, the company offers last mile and long-distance services with high capacity and low latency across Brazil |
525 | |||
| 49 |
Globalweb Outsourcingglobalweb.com.br
The company provides cloud-based IT solutions including consultation, application outsourcing, infrastructure management, and data center services to enhance businesses' capabilities and efficiency |
508 | |||
| 50 |
Companhia de Processamento de Dados do Estado da Bahiaprodeb.ba.gov.rb
Provider of Information Technology and Communication services for the government sector in Bahia, offering data processing, network management, application development, web services, and technical support |
466 | |||
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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 Brazil
- The largest companies in Brazil 16,480
- Manufacturers in Brazil 2,124
- Retail chains in Brazil 1,996
- Multinational companies in Brazil 1,238
- Critical infrastructure operators in Brazil 1,201
- Healthcare providers in Brazil 1,086
- Retail companies in Brazil 1,078
- Financial Services companies in Brazil 1,006
- Companies with a mobile app in Brazil 927
- Financial services firms in Brazil 926
- E-commerce companies in Brazil 802
- Companies with in-house R&D in Brazil 755
- Corporate groups and holding companies in Brazil 720
- Food and beverage companies in Brazil 697
- Hospitals and Health Care companies in Brazil 664
- Distributors and wholesalers in Brazil 664
- IT Services and IT Consulting companies in Brazil 661
- Public sector organisations in Brazil 584
- Higher Education companies in Brazil 577
- Logistics companies in Brazil 546
- Professional services firms in Brazil 544
- Agriculture companies in Brazil 520
- Food and Beverage Services companies in Brazil 516
- Construction companies in Brazil 497