Who We Are

The law firm Petronilho & Oliveira - Sociedade de Advogados was created from the union of professionals who value the practice of law as a true bond - whether with clients, the community, or the region.

Located in Registro/SP, in the heart of the Ribeira Valley, we offer consulting and litigation services in various areas of law, always attentive to local realities. Our services cover families, consumers, rural producers, social security beneficiaries, and small and medium-sized enterprises, with the belief that each case deserves the attention it deserves.

Committed to translating the law into clear language, defending our clients seriously, and standing by their side every step of the way.