Welcome to avillezcastro, a premier transactional and disputes firm

Specialising in complex transactions as well as in major litigation and arbitration in Portugal and Lusophone Africa, with a long history of representing a broad range of clients, including corporations, funds, family businesses, start-ups, high net worth individuals and states.

Our story

The partners are experienced lawyers who have held leading positions at top-tier Portuguese and international law firms for over 30 years. They have worked together along the way as lead counsel in high-end transactions and investment projects across industries, as well as in international litigation and arbitration.

We offer a unique blend of expertise and international experience in assisting our clients in strategic transactional work, high-profile disputes and fraud and asset recovery.

Meet the team

From our base in Lisbon, we assist our clients in cross-border transactions and multi-jurisdictional disputes. Founded on our in-depth and long-standing experience that afforded us recognition as market leaders, we offer a specialised team of professionals in Portugal and Lusophone Africa. We do so by working as an integrated virtual firm with other leading lawyers who complement our team as demanded by the workload, the nature and the complexity of the work.

This allows us to provide a seamless service as in a traditional law firm model with the benefits of a hands-on approach to each case and the ability to choose a team with the specific experience and expertise as required by each project.

Additionally, it reduces complexity in managing conflicts of interest and in a more cost-effective and flexible way.

Miguel Castro Pereira

Partner

Miguel is a legal expert in Banking & Finance, Capital Markets, complex Litigation and Arbitration. He also possesses extensive knowledge of banking and finance legislation in Angola, Mozambique, and Cape Verde.

Miguel de Avillez Pereira

Partner

Miguel is a legal expert in M&A, Commercial Litigation and Asset Recovery, with extensive experience as lead counsel in intricate transactions and high-value international disputes and asset recovery cases, primarily representing banks, corporations, closely held businesses and sovereigns, across Portugal, Angola, and Mozambique.

Selected experience in complex transactions & disputes

Acting for one of the largest Spanish media groups in an ICC arbitration

claiming €100 million compensation for the breach of a Share Purchase Agreement (SPA) targeting the acquisition of the largest Portuguese media group by a leading Portuguese media group competitor.

Acting for the owner and operator of a major cryptocurrency exchange

to recover funds valued at $350 million. This involved multiple legal actions and implementing precautionary measures before the Portuguese Courts.

Acting for a leading Spanish contractor in an ICC arbitration proceeding

regarding an EPC Contract for the construction of Portugal’s largest refinery project.

Advising a private equity company

in the acquisition of a global mobility systems supplier key manufacturing centre in Portugal

Acting for a group of companies dedicated to the exploration, production, refining, marketing and transportation of oil

in a dispute with a Portuguese bank involving the retention of $1.5 billion in assets owned by the group, including multiple legal actions and precautionary measures before the Portuguese Courts.

We bring over 30 years of expertise and international experience in cross-border transactions and multi-jurisdictional disputes.

Get in touch

Edifício Expo 98
Avenida Dom João II, Lote 1.07.2.1 Piso 0,
1998-014 Lisboa.

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