LAWYER PROFILE

Simon Barrett

Asia-Pacific 2026

Sidley Austin Foreign Law Joint Enterprise

Ranked in 2 practice areas

Projects & Energy: International

Japan

6 years ranked

Construction

Japan

15 years ranked

About

Provided by Sidley Austin Foreign Law Joint Enterprise

Practice Areas

Simon Barrett is a Japan-based projects and energy lawyer with more than 25 years’ experience advising sponsors, strategic investors, private equity funds, contractors, and lenders on complex, high-value energy and infrastructure transactions worldwide.

His practice spans the full lifecycle of major projects and investments, including project development, project finance, cross-border mergers and acquisitions, joint ventures, private equity investments, restructurings, and related dispute resolution. Simon regularly advises on acquisitions and disposals of energy and infrastructure assets, minority and majority stake transactions, and strategic joint ventures.

Chambers Review

Provided by Chambers

Chambers Asia & Pacific

Projects & Energy: International - Japan

Band 4

Individual Editorial

Simon Barrett offers extensive expertise in energy transactions and project development matters.

Learn more about this team View ranking table

Construction - Japan

Spotlight

Individual Editorial

Simon Barrett maintains a diverse client portfolio of developers, contractors, energy companies and multinational corporations, which he assists throughout the full life cycle of construction projects. He is noted for his ability to handle construction disputes, in addition to contractual and financing mandates.

View ranking table

Strengths

Provided by Chambers

Simon Barrett is particularly strong in complex projects in the construction field.
Projects & Energy: InternationalChambers Asia & Pacific
He offers top-tier client service and experience with great sophistication, responsiveness and real understanding of the industry, market and our business.
ConstructionChambers Asia & Pacific
Simon Barrett delivers excellent client service and goes above and beyond our expectations.
ConstructionChambers Asia & Pacific