LAWYER PROFILE

William McCormack

Asia-Pacific 2026

A&O Shearman

Ranked in 3 practice areas

Projects & Infrastructure: International

Singapore

13 years ranked

Projects & Energy (International Firms)

Indonesia

13 years ranked

Projects, Infrastructure & Energy

Vietnam

13 years ranked

Contributions and articles

2 Articles, Press releases, highlights

About

Provided by A&O Shearman

Practice Areas

Based in Asia for over 30 years, Bill has advised on the development and financing of many significant energy and infrastructure projects in South and Southeast Asia, as well as acquisitions and disposals in the power and oil and gas sectors.

He advises a mix of sponsors and lenders including IFC, ADB, Marubeni, SembCorp, Pertamina and PETRONAS.

Bill has advised on some of the most complex “first-of-kind” projects in Asia and has a particular focus on renewables projects, including hydro, wind and solar.

Chambers Review

Provided by Chambers

Chambers Asia & Pacific

Projects & Infrastructure: International - Singapore

Senior Statespeople

Individual Editorial

William McCormack has a longstanding reputation in the market as a leading project finance and development lawyer in Singapore.

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Projects & Energy (International Firms) - Indonesia

Indonesia, expertise based abroad in Singapore

Individual Editorial

Bill McCormack is considered a market leader in project financing and development in Indonesia and across South-East Asia, including in relation to renewable energy. Based in Singapore, his track record includes advising on hydroelectric and solar power projects.

View expertise based abroad table

Projects, Infrastructure & Energy - Vietnam

Vietnam, expertise based abroad in Singapore

Individual Editorial

William McCormack is of counsel at A&O Shearman's Singapore office. He handles project development and financing across the region and is regularly involved in Vietnam matters. He has solid expertise across a range of projects, including gas.

Learn more about this team View expertise based abroad table