
FAS Advogados, in cooperation with CMS been steadily expanding its footprint in Brazil’s insurance and reinsurance market, offering both contentious and advisory support. The team is well placed to assist with claims regulation and advises on policy design and the structuring of insurance operations. Practice head Felipe Bastos acts for a mix of insurers, reinsurers, insurance and reinsurance brokers, policyholders and insurtechs in contentious matters. Another individual to note includes Lívia Mathiazi, who supports clients in preventing disputes, structuring insurance operations, regulating claims, and handling strategic litigation.
Legal 500 Editorial commentary
Accolades
Client satisfaction: NPS ®
Testimonials
Collated independently by Legal 500 research team.
- ‘Felipe Bastos is extremely courteous, well-organised, and demonstrates a solid understanding of the legal and commercial aspects involved in our demands. What I value most in working with Felipe is his clear communication, strong sense of urgency, and proactive approach — he consistently anticipates potential issues and offers practical solutions. His professionalism and attention to detail stand out, and it's reassuring to know we can rely on his expertise throughout the entire process.’
- ‘Renata Fukayama Sesaki knows a lot about the Brazilian liability market. She is very technical but also has a differentiated commercial vision. She is impressively agile with claims adjustments.’
- ‘We needed a Brazilian law firm that could connect us with firms worldwide in order to formalise indemnity agreements with foreign companies providing support to Brazilian clients for the issuance of surety bonds. FAS Advogados was the first and only firm that was able to bridge that gap for us. Their ability to coordinate internationally and facilitate this new legal and operational flow, including invoice payment logistics, was essential.’
- ‘Excellent work by Felipe Bastos. He has a deep knowledge of insurance.’
- ‘Felipe Bastos is certainly one of the best insurance lawyers in the country. His ability to conduct negotiations and his transparency and knowledge of the most diverse areas of insurance give us great confidence when making decisions.’
- ‘Felipe Bastos is a recognised highlight, without a doubt. Very experienced, technical, strategic, polite and a leader.’
Key clients
- Hotelaria Accorinvest Brasil S.A.
- Arch Reinsurance
- Zurich Minas Brasil Seguros S.A.
- BMG Seguros S.A.
- Alelo Instituição de Pagamento S.A.
- Sapura Energy do Brasil Ltda.
- Estre Ambiental S.A.
- Ezze Seguros S.A.
- BTG Seguros S.A. and BTG Vida e Previdência S.A.
- Fairfax Brasil Seguros Corporativos S.A.
- Munich Re do Brasil Resseguradora S.A.
- HDI Seguros S.A.
Work highlights
Assisted Alelo with entering into contracts with Banco do Brasil’s insurance arm for the distribution of insurance through Alelo to Alelo clients and personnel.
Lawyers
Leading partners
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.

Practice head
Felipe Bastos
Other key lawyers
Renata Fukayama Sesaki; Lívia Mathiazi
