The professional services sector in Rio de Janeiro is characterized by a mix of business consulting, legal, and communications firms. Companies like Infotec Brasil specialize in outsourcing services, while Doméstica Legal focuses on providing support for domestic employers and workers. FSB Comunicação is an integrated communications agency, and BMA Advogados offers comprehensive legal support to Brazilian and international clients. These firms generally represent mid-sized to large operations.
A notable pattern among these companies is their strong presence in business consulting and legal services. For instance, Visagio and EloGroup are prominent in business consulting, while Veirano Advogados and Dannemann Siemsen are key players in the legal field, with Dannemann Siemsen having a long history in intellectual property since 1900. The majority of these firms are headquartered in Rio de Janeiro.
| # | 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 |
Doméstica Legalgo.domesticalegal.com.br
Providing a secure and reliable environment for employers and domestic workers, ensuring obligations are met to prevent labor disputes and promote peace of mind |
1,825 | |||
| 3 |
home officerodrigomuller.com.br
Specializing in minimalistic design, the company focuses on sleek and understated aesthetics, offering products or services tailored to those who appreciate simplicity and elegance |
1,792 | |||
| 4 |
FSB Comunicaçãofsb.com.br
An Integrated Communications agency specializing in Corporate Communications, Media Relations, Brand Building, Digital Communications, Research, and Design & Content services |
1,386 | |||
| 5 |
BMA Advogadosbmalaw.com.br
A leading Latin American law organization offering comprehensive legal support in various business areas for Brazilian and international clients since 1995 |
1,022 | |||
| 6 |
Visagiovisagio.com
Part of Visagio Group, specializing in providing solutions and services in diverse industries |
927 | |||
| 7 |
EloGroupelogroup.com
A business transformation platform integrating Technology, Analytics, and Management expertise to develop digital solutions that drive change for organizations |
922 | |||
| 8 |
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 | |||
| 9 |
Grupo SERESgruposeres.com.br
Offers comprehensive Human Resources solutions including recruitment, selection, executive search, corporate university, leadership development, outsourcing, temporary staffing, and payroll management. |
855 | |||
| 10 |
Dannemann Siemsendannemann.com.br
Leader in Intellectual Property in Latin America since 1900, providing legal advice and protection to domestic and foreign companies with expertise in patents, trademarks, and litigation |
854 | |||
| 11 |
Veirano Advogadosveirano.com.br
Leading Brazilian business law firm providing tailored solutions for multinational companies in strategic sectors, offering expertise in M&A, disputes, tax, infrastructure, and oil & gas industries |
829 | |||
| 12 |
CHALFIN, GOLDBERG & VAINBOIM Advogadoscgvadvogados.com.br
A leading Brazilian law group specialized in insurance, banking, labor, and real estate law, offering both litigation and consulting services nationwide |
796 | |||
| 13 |
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 | |||
| 14 |
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 | |||
| 15 |
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 | |||
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| 16 |
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 | |||
| 17 |
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 | |||
| 18 |
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 | |||
| 19 |
Bichara Advogadosbicharalaw.com.br
A full-service legal team with over 150 lawyers across multiple locations, offering customized solutions to national and international clients |
538 | |||
| 20 |
SESATECHsesatech.com.br
Specialized in digital transformation and automation projects, offering solutions in applications, systems integration, AI, Big Data, Machine Learning, API's, and RPA Aiming for secure and efficient infrastructure modernization |
480 | |||
| 21 |
Iqony Solutions do Brasiliqony.com.br
Provider of professional energy services in South America Offers Engineering, Operation, and Maintenance services in the renewable energy sector with a focus on solar, wind, and thermal plants |
472 | |||
| 22 |
Talentos Consultoriatalentosconsultoria.com.br
Specialized in human resources management, providing a wide range of services to optimize client's time and resources, enhancing business productivity |
453 | |||
| 23 |
Personale Consultoriapersonale.com.br
A leading HR consultancy offering customized solutions in talent management through recruitment, development, training, and strategic partnerships across Brazil |
446 | |||
| 24 |
Tauil & Chequer Advogados associado a Mayer Browntauilchequer.com.br
A Brazilian law office with a global reach, providing legal services to organizations in multijurisdictional operations with a focus on excellence and innovation |
445 | |||
| 25 |
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 | |||
| 26 |
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 | |||
| 27 |
Gondim Albuquerque Negreiros ADVgondimadv.com.br
Specializing in high-volume litigation, this innovative team efficiently eliminates processes using technology, ensuring quick resolution without the need for ties |
421 | |||
| 28 |
rrarra.com.br
Mission-driven firm specializing in sustainable construction projects, offering innovative, market-adapted solutions in Architecture, Urbanism, and Landscaping with a focus on quality and client satisfaction |
408 | |||
| 29 |
Villemor Amaral Advogadosvillemor.com.br
Specialized multidisciplinary law office with a strong focus on being an extension of clients' internal teams, providing efficient and personalized legal services |
394 | |||
| 30 |
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 | |||
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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.
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The same list elsewhere in Brazil
- Professional services firms in Brazil 544
- Professional services firms in São Paulo State 265
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- Professional services firms in Rio de Janeiro State 60
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