The companies listed in Rio de Janeiro are primarily large consulting firms, with a focus on business consulting, IT services, and various engineering disciplines. Infotec Brasil specializes in outsourcing services, while Quality Digital offers IT solutions and digital transformation. Visagio and EloGroup provide business consulting and management expertise. Sondotécnica Engenharia focuses on multidisciplinary engineering, and Domingues e Pinho Contadores offers accounting outsourcing.
A notable pattern among these companies is their strong presence in the consulting and services sector. Many of them, such as Infotec Brasil, Quality Digital, Visagio, and EloGroup, are headquartered in Rio de Janeiro and have a substantial number of employees, indicating their scale and influence within the Brazilian market.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
Infotec Brasilinfotecbrasil.com.br
Specializing in Outsourcing Services and Processes, the company offers efficiency, cost reduction, and environmental care through various specialized services |
3,753 | |||
| 2 |
MROmroativa.com.br
The company specializes in efficient asset management, offering innovative solutions for various sectors to activate operational potential and generate cash flow while prioritizing ethical and team-oriented values |
2,190 | |||
| 3 |
Quality Digitalqualitydigital.global
Leader in IT solutions, assisting Brazilian businesses with strategic goals through specialized services focused on strategy, digital transformation, automation, and integration |
1,934 | |||
| 4 |
Visagiovisagio.com
Part of Visagio Group, specializing in providing solutions and services in diverse industries |
927 | |||
| 5 |
EloGroupelogroup.com
A business transformation platform integrating Technology, Analytics, and Management expertise to develop digital solutions that drive change for organizations |
922 | |||
| 6 |
Guanabaraguanabaraconsulting.com
Specialized services provider offering strategic expertise in energy sectors, focusing on strategic planning, business development, M&A, market entry strategies, and more |
911 | |||
| 7 |
CTA Engenhariactaengenharia.com.br
With over 20 years of experience, the organization provides engineering and contract management services nationwide, focusing on integrity, quality, and environmental responsibility |
746 | |||
| 8 |
Quality Assuranceqaconsultoria.com.br
Established in 1987, the organization specializes in implementing management systems based on international standards for various industries including oil, gas, and other sectors |
710 | |||
| 9 |
Sondotécnica Engenhariasondotecnica.com.br
A multidisciplinary engineering organization specializing in structural design, hydrology, oceanography, sediment transport, and feasibility studies with extensive project experience globally |
682 | |||
| 10 |
Domingues e Pinho Contadoresdpc.com.br
Leader in providing accounting outsourcing services in Brazil, offering excellent management services with a global vision for foreign investors Serving over 600 multinational clients |
654 | |||
| 11 |
Forship Engenhariaforship.com
Specialized engineering services and integrated solutions for industrial assets in various sectors worldwide, offering construction, commissioning, maintenance, consulting, and software solutions |
645 | |||
| 12 |
FGV DGPE
The Diretoria de Desenvolvimento da Gestão Pública e Políticas Educacionais focuses on improving public management and education policies to positively impact social indicators in Brazil |
593 | |||
| 13 |
FGV Brazilportal.fgv.br
A leading institution focused on promoting social and economic development through research, innovation, and consulting in various fields globally |
585 | |||
| 14 |
Personale Consultoriapersonale.com.br
A leading HR consultancy offering customized solutions in talent management through recruitment, development, training, and strategic partnerships across Brazil |
446 | |||
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. | |||||
| 15 |
GP Assessoria em Orgão Públicosgpassessoria.net.br
Assistance in legal documentation and guidance for selling to government entities, particularly for businesses new to this process |
439 | |||
| 16 |
Guimarguimar.com.br
Specializing in managing implementation of industrial, infrastructure, and building projects, one of the largest engineering consultancies in the country Operating in Brazil and other South American countries |
437 | |||
| 17 |
RSM BRASIL (ACAL)rsmbrasil.com.br
We are a bold organization offering customized services with innovative ideas, anticipating solutions, and providing alternative paths to exceed clients' expectations worldwide |
385 | |||
| 18 |
True Auditoria, Consultoria & Serviçostrueauditoria.com.br
A complete platform in the Health sector, applying modern concepts from Banking and Industry with a highly qualified and diverse team |
368 | |||
| 19 |
Winner RHwinnerrh.com.br
Specialized in HR consultancy, the company focuses on maximizing client results through tailored solutions, transparency, ethics, quality service, and respect for all stakeholders |
346 | |||
| 20 |
Ímparimpar.com.br
Tech company delivering end-to-end solutions for digital transformation, employee experience, software development, analytics, UX/UI, outsourcing, and more with Microsoft technologies expertise |
343 | |||
| 21 |
SANDECHsandech.com.br
An engineering and management consulting firm providing high-tech solutions for various industries with a focus on innovation, quality, and employee development |
317 | |||
| 22 |
FGV Projetosfgvprojetos.fgv.br
A consultancy unit applying academic knowledge to develop projects in economics, management, and public policies for public and private organizations |
310 | |||
| 23 |
CSP Techcsptech.com.br
A technology company providing customized solutions, process intelligence, and continuous evolution to drive business impact through leading technologies and global partnerships |
279 | |||
| 24 |
MJV Technology & Innovationmjvinnovation.com
Digitally-driven innovation agency offering end-to-end solutions, from research to IT implementation, with a multidisciplinary team focused on leveraging technology to solve business challenges globally |
199 | |||
| 25 |
Fluxo Consultoriafluxoconsultoria.poli.ufrj.br
Founded in 1993, this company is the Engineering Junior Company of the Federal University of Rio de Janeiro, offering high-quality affordable engineering projects |
181 | |||
| 26 |
Jamboojambooapp.com.br
Financial services hub providing technical and strategic consulting services for Fintech companies |
35 | |||
| 27 |
Real Data Consultoriarealdataconsultoria.com.br
For over 32 years, the company specializes in Asset Management services, offering accounting services, physical inventory, reconciliations, evaluations, and various technological solutions |
14 | |||
| 28 |
Vida e Valorvidaevalorconsultoria.com.br
A consulting firm specializing in insurance and investments, providing tailored solutions and ongoing support for individuals and businesses |
10 | |||
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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 Rio de Janeiro
- The largest companies in Rio de Janeiro 1,037
- Retail chains in Rio de Janeiro 126
- Critical infrastructure operators in Rio de Janeiro 107
- Education providers in Rio de Janeiro 91
- Financial services firms in Rio de Janeiro 91
- Multinational companies in Rio de Janeiro 80
- Healthcare providers in Rio de Janeiro 71
- Companies with a mobile app in Rio de Janeiro 68
- Retail companies in Rio de Janeiro 68
- E-commerce companies in Rio de Janeiro 62
- Public sector organisations in Rio de Janeiro 60
- Manufacturers in Rio de Janeiro 55
- Professional services firms in Rio de Janeiro 53
- Financial Services companies in Rio de Janeiro 52
- Energy companies in Rio de Janeiro 50
- Hospitals and Health Care companies in Rio de Janeiro 44
- Franchise networks in Rio de Janeiro 42
- Logistics companies in Rio de Janeiro 37
- Corporate groups and holding companies in Rio de Janeiro 36
- IT Services and IT Consulting companies in Rio de Janeiro 34
- Companies with in-house R&D in Rio de Janeiro 32
- Hotel and hospitality groups in Rio de Janeiro 31
- Oil and Gas companies in Rio de Janeiro 31
- Wellness and Fitness Services companies in Rio de Janeiro 31
The same list elsewhere in Brazil
- Consulting firms in Brazil 387
- Consulting firms in São Paulo State 188
- Consulting firms in Minas Gerais 56
- Consulting firms in Rio de Janeiro State 32
- Consulting firms in São Paulo 138
- Consulting firms in Belo Horizonte 44