| # | 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 |
Liqcontax.com.br
Transforms relationships with efficient, secure, and reliable integrated solutions. They operate in Brazil, Argentina, Colombia, Peru, Chile, Ecuador, Panama, USA, Canada, and Spain. |
18,719 |
| 5 |
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 |
| 6 | 11,271 | |
| 7 |
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 |
| 8 |
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 |
| 9 |
act digitalactdigital.com
Global consulting group supporting digital product design, software engineering, data science, and growth strategies for industry-leading companies worldwide. |
5,465 |
| 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 |
Grupo Contaxcontax.com.br
A leading provider of contact center and customer relationship management solutions, specializing in consultative, personalized services through various communication channels |
3,803 |
| 12 |
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 |
| 13 | 3,613 | |
| 14 |
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 |
| 15 |
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 |
| 16 | 2,693 | |
| 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 |
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 |
| 19 |
Stefanini LATAMstefanini.com
Provides integrated digital transformation services including consulting, AI, cybersecurity, banking, manufacturing, and digital marketing across 41 countries. |
2,651 |
| 20 |
Ability Tecnologia e Serviços S/Aabilitytecnologia.com.br
Specialized in providing telecommunication services to corporate market and phone carriers with over 3,000 employees |
2,556 |
| 21 |
Stefanini EMEAstefanini.com
Global digital transformation accelerator with 35+ years experience offering diverse technology solutions and IT outsourcing services in 16 European countries |
2,420 |
| 22 |
Instituto de Pesquisas ELDORADOorg.br
A world-class provider of customized software and hardware solutions for various industries, connecting people, universities, and startups to drive technological innovation globally |
2,281 |
| 23 |
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 |
| 24 |
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 |
| 25 |
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 |
| 26 |
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 |
| 27 |
SONDA Brasilsonda.com
A leading Latin American provider of technology solutions and services, with over 18,000 employees and 5,000 active clients in 10 countries We specialize in transforming businesses through technology Visit our website for more details |
1,859 |
| 28 |
Prodespprodesp.sp.gov.br
Technology company providing information technology services for the State Government of São Paulo |
1,838 |
| 29 |
BS Tecnologia e Serviços Ltda.bsservices.com.br
Leading Brazilian company specializing in IT solutions, consultancy, outsourcing, and corporate mobility Offers innovative, flexible, and customized solutions to optimize costs and enhance decision-making |
1,833 |
| 30 |
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 |
| 31 |
Infracommerceinfracommerce.lat
Specializing in digital business, the company offers a full-service approach including platform, marketing, content, payment, logistics, and customer service for B2B and B2C projects |
1,694 |
| 32 |
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 |
| 33 |
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 |
| 34 |
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 |
| 35 |
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 |
| 36 |
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 |
| 37 |
Semantixsemantix.ai
Provides comprehensive data platforms and analytics solutions, leveraging Artificial Intelligence and Big Data for informed business decisions and growth. |
1,433 |
| 38 |
Interfileatento.com
A leader in Business Process Outsourcing focused on financial and credit sectors, providing back-office solutions and digital services with a strong market presence |
1,389 |
| 39 |
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 |
| 40 |
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 |
| 41 |
todo!contax.com.br
A leading IT firm in Brazil, operating in 12 cities with expertise in CRM, IT management, software solutions, and services engineering |
1,249 |
| 42 |
Engemon Engenharia & Construçãoengemon.com.br
An engineering, construction, and technology group offering integrated solutions nationwide with a focus on excellence and multidisciplinary services for various industries |
1,215 |
| 43 |
FOURSYSfoursys.pt
With 23 years of experience in Brazil, this organization specializes in digital business solutions, offering innovative services to meet various client challenges |
1,187 |
| 44 |
Oiwancorp.com.br
Provider of integrated telecom solutions including traditional and IP telephony, data networks, unified communication, equipment rental and sales, Wi-Fi, and technical support |
1,181 |
| 45 |
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 |
| 46 |
Thomas Greg do Brasilportal.thomasgreg.com.br
Provides exclusive and high-quality document drafting services globally with skilled personnel and advanced technology to ensure confidentiality and standards |
1,153 |
| 47 |
EGM Consultoria
Specializing in IT solutions, our high-performance team has completed 130 projects since 2008, focusing on quality, timeliness, and ethical relationships |
1,093 |
| 48 |
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 |
| 49 |
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 |
| 50 |
NUMENnumenit.com
Specialized in business consultancy for digital transformation, we provide services in process management and IT, integrating technologies for operational excellence |
959 |
| 51 |
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 |
| 52 |
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 |
| 53 |
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 |
| 54 |
FCamarafcamara.com
technology and innovation ecosystem delivering digital transformation, e-commerce, cloud, cybersecurity, data analytics, and marketing services across multiple industries |
908 |
| 55 |
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 |
| 56 |
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 |
| 57 |
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 |
| 58 |
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 |
| 59 |
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 |
| 60 |
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 |
| 61 |
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 |
| 62 |
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 |
| 63 |
Santander Tecnologia
Provider of software and infrastructure solutions for Grupo Santander, specializing in innovative financial products and services developed by knowledgeable professionals |
794 |
| 64 |
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 |
| 65 |
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 |
| 66 |
Cadastracadastra.com
Blends digital marketing services, consulting, and technology, helping clients transform and grow businesses through advanced digital operations and strategic partnerships. |
744 |
| 67 |
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 |
| 68 |
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 |
| 69 |
Delfiadelfia.tech
A Brazilian multinational specializing in digital curation, offering continuous training to curators to identify and implement innovative solutions for digital success |
694 |
| 70 |
green4Tgreen4t.com
Provider of technology and digital infrastructure solutions in Latin America, serving companies, cities, and nations for enhanced connectivity and efficiency |
674 |
| 71 | 662 | |
| 72 |
ABAI Brasilabaigroup.com
This company specializes in helping businesses manage customer relationships through digital transformation and process outsourcing, with innovative technology solutions and over 9,000 experienced professionals worldwide |
661 |
| 73 |
RTMrtm.net.br
Integrator hub in Brazilian financial market, providing secure technological solutions to over 700 institutions, connecting key players in the industry |
660 |
| 74 |
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 |
| 75 |
Yamanyaman.com.br
Yaman provides custom solutions to improve IT performance, prevent incidents, and enhance business efficiency through testing, availability, performance, and DEVOPS services |
629 |
| 76 |
Skyoneskyone.solutions
A technology solutions provider focused on agility, innovation, and simplifying business processes to help companies evolve and improve customer experiences |
610 |
| 77 |
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 |
| 78 |
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 |
| 79 |
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 |
| 80 |
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 |
| 81 |
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 |
| 82 |
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 |
| 83 |
RDI Software Brazilrdisoftware.com
A strategic partner of a global QSR retailer, delivering POS services and software applications to improve the overall customer experience and operations |
443 |
| 84 |
Jumpjump.tec.br
Innovative and customized technological solutions for businesses, using data science and cutting-edge technologies to create disruptive solutions for various sectors |
378 |
| 85 |
New Waygruponewway.com.br
Specializing in technology, innovation, and relationship solutions through AI and chatbots, transforming customer service, enhancing business results, and focusing on humanized growth |
368 |
| 86 |
Braviumbravium.com.br
A Latin American company specializing in loyalty programs, digital go-to-market solutions, B2B/B2C marketplaces, incentives, and business analytics for various industries |
202 |
| 87 |
Vitaravitara.com.br
An innovative organization specializing in Information Security consulting, implementing solutions from top global security product manufacturers and Open Source tools |
167 |
| 88 |
Siplansiplan.com.br
With over 40 years of experience, the company develops technological solutions for notary offices nationwide, focusing on digitization and management for increased efficiency and security |
153 |
| 89 |
Enkel TIenkel.com.br
The company helps clients achieve their goals by employing a highly skilled team focused on cloud-based solutions, DevOps methodologies, and APM implementation for optimal performance |
76 |
| 90 |
NovaHausnovahaus.com.br
A technology company specializing in creating high-performance digital products for national and multinational brands, focused on connecting people through innovative experiences |
39 |
| 91 |
GLOBAL SMART SOLUTION TECHNOLOGY LTDAsoulvarejo.com
This company provides SAP IS Retail software solutions to help retail businesses synchronize supply chain, marketing, merchandising, and IT for competitive edge |
5 |
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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 Oct 24, 2026.
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