André de Sousa Vieira

Project Development and Finance. Banking and Finance.

André de Sousa Vieira joined the firm in 2020 as a Partner in the Project Development and Finance Group (Energy & Infrastructure) and currently leads the Singapore office.

He is widely recognised for advising sponsors, lenders (DFIs, ECAs and commercial banks), governments and corporates on the legal, commercial and strategic complexities of major energy, resources and infrastructure projects. André supports clients throughout the full lifecycle of project development and finance providing clear, commercially minded guidance that enables clients to deliver transactions shaping international markets and long-term investment landscapes.

Throughout his career, André has advised on landmark and pioneering projects across Europe, the Americas, Asia and Africa, gaining a unique dual civil-law and common-law perspective. This breadth of experience enables him to bridge international standards with practical, jurisdiction-specific solutions, ensuring clients achieve robust and commercially viable outcomes in complex, cross-border transactions.

Before joining Morais Leitão, André spent nearly a decade in the Worldwide Projects Group at Clifford Chance LLP in London, where he co-led the Portuguese and Lusophone Africa practices. He has also lectured and conducted research at leading institutions, including the Portuguese Catholic University (Lisbon, Portugal), Agostinho Neto University (Luanda, Angola), the University of Barcelona, and Harvard Law School (Cambridge, USA). He is also a member of the Bretton Woods Committee (Washington, USA), where he collaborates with the Climate and Energy Transition Finance Group.

André is admitted to practice in England & Wales, Portugal, Spain, Timor-Leste and Singapore (RFL).

Law Society of England and Wales. Portuguese Bar Association. Spanish Bar Association. Timor-Leste Bar Association (CGDA). The Law Society of Singapore (RFL). Royal European Academy of Doctors. Bretton Woods Committee.