
TozziniFreire leverages its experience in PPPs, public procurement, public contracts, and associated disputes to advise clients interacting with governmental and regulatory bodies. The team is active in concession projects across a variety of sectors, including transport, water and sewage, solid waste, and public lighting, and also excels in administrative litigation and regulatory matters. The team is co-led by Caio Loureiro, a public law specialist who serves as a primary contact for private companies, government agencies, and multilateral organisations seeking assistance with large-scale concessions and public contracts, and José Augusto Dias de Castro, who specialises in public procurement and administrative proceedings. Marcelo Zenkner, a former co-head, departed in 2024.
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
‘The firm provided us with very attentive support, responded in a timely manner, understood the company's internal emergencies, and was always available for meetings and exchanges of ideas. Great experience in the area of public/administrative law.’
‘Caio Loureiro has extensive technical knowledge and proposed innovative solutions to the issue, even going outside the technical box.’
'Diligent and available team.'
Key clients
- Andrade Gutierrez Construções e Serviços – AGCS
- Sinqia S.A.
- IFC – International Finance Corporation
- 4UM
- USP – Universidade de São Paulo
- MicroStrategy Inc.
- Mexichem Brasil
- Ford
- Jardiplan
- Roland Berger
- Andrade Gutierrez Construções e Serviços – AGCS
- Sinqia S.A.
Work highlights
Assisted Andrade Gutierrez Construções e Serviços – AGCS in relation to Project Orion.
Advises Sinqia on its public contracts and represents it in administrative proceeding.
Advising IFC – International Finance Corporation on the Health PPP Project.
Lawyers
Leading partners
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.

Practice head
Caio Loureiro; José Augusto Dias de Castro
Other key lawyers
Gabriel Ene Garcia
