Construction companies in São Paulo, Brazil

The Receita Federal (CNPJ registry) lists 164,316 construction companies (builders, civil engineering and specialised trades) in São Paulo, of which 164,316 are active. With 25.9% of Brazil's section F records, São Paulo is the largest of the country's 27 states for this sector (extraction 2026-10-10). Its weight in the local economy is close to the national mix: 5.2% of São Paulo's records against 5.8% nationally (location quotient 0.89).

The city of Sao Paulo concentrates 41.1% of the active companies, followed by Campinas (4,630) and Ribeirao Preto (4,018); the three together hold 46.4%. The median active company is 6.1 years old; 10% were registered in the last year and 28% in the last three. In the 12 months to September 2026, 15,064 new construction businesses were registered in São Paulo, +5.9% on the previous 12 months (national section F: +7.4%). By ISIC division, 41 (construction of buildings) is 52.7% of the records and 43 (specialized construction activities) 41.1%. Size is known for 61% of the active companies; 74% of those are micro.

One of the largest sections in every registry and the noisiest: developers register a company per project (SPE/SPV), so division 41 overstates the number of operating builders. Division 43 (specialised trades) is where the actual contractors are. Construction-tech, building-materials distributors, equipment rental and fintech lenders use this section with a size or age filter.