Professional services companies in Rio de Janeiro, Brazil

Rio de Janeiro has 86,431 professional services company records in ISIC section M (professional, scientific and technical activities), 86,431 of them active, according to the Receita Federal (CNPJ registry) as of 2026-10-10. That is 7.9% of the section in Brazil and makes Rio de Janeiro the 4th largest of 27 states for professional services. Its weight in the local economy is close to the national mix: 10.6% of Rio de Janeiro's records against 10.1% nationally (location quotient 1.05).

The city of Rio de Janeiro concentrates 66.4% of the active companies, followed by Niteroi (6,601) and Duque de Caxias (1,762); the three together hold 76.1%. The median active company is 5.5 years old; 13% were registered in the last year and 32% in the last three. In the 12 months to September 2026, 9,012 new professional services businesses were registered in Rio de Janeiro, +22.4% on the previous 12 months (national section M: +30.9%). By ISIC division, 69 (legal and accounting activities) is 29.4% of the records and 71 (architectural and engineering activities; technical testing and analysis) 21.6%. Size is known for 69% of the active companies; 80% of those are micro.

Consultancies, law and accounting firms, engineering offices, agencies and design studios. Division 70 also holds 'activities of head offices', where many group holding companies register, so it overstates consultancies. Division 69 is a channel in itself: accountants file for most small companies in Brazil and Colombia. Professional-services software, payroll, legal-tech and B2B marketing vendors buy this section.