LAWYER PROFILE

Constance Choy

Global 2026

Sidley Austin

Ranked in 2 practice areas

Capital Markets: Equity (International Firms)

China

16 years ranked

Corporate/M&A: Hong Kong-based (International Firms)

China

14 years ranked

About

Provided by Sidley Austin

Practice Areas

CONSTANCE CHOY is a member of Sidley’s Management Committee and Executive Committee, the managing partner for the Asia Pacific region and the senior partner in our Hong Kong office. She is the global leader of our multidisciplinary China Corporate and Finance practice. Her practice covers a broad spectrum of securities, mergers and acquisitions and Hong Kong-listed companies work, including initial public offerings, secondary equity and equity-linked offerings, public company takeovers and reverse takeovers, as well as restructurings of listed companies.

Chambers Review

Provided by Chambers

Chambers Global Guide

Capital Markets: Equity (International Firms) - China

Band 4

Individual Editorial

Constance Choy is head of Sidley Austin's China corporate and finance group and the firm's Asia-Pacific managing partner, offering clients three decades' experience advising on IPOs and H-share placements.

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Corporate/M&A: Hong Kong-based (International Firms) - China

Band 6

Individual Editorial

Constance Choy heads Sidley Austin LLP's China corporate and finance group. She maintains an active practice advising Hong Kong and Mainland China-headquartered clients on their M&A transactions.

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Strengths

Provided by Chambers

Choy is a very knowledgeable and experienced partner. She can always handle issues tactfully and give us very good advice.
Corporate/M&A: Hong Kong-based (International Firms)Chambers Global Guide
Constance Choy is hands-down one of the finest legal minds I've worked with at Sidley Austin. She is proactive, insightful and just relentlessly dedicated.
Corporate/M&A: Hong Kong-based (International Firms)Chambers Global Guide

Ranked Individuals at Sidley Austin (159)

Asia-Pacific Region

Andrew W Shoyer
International Trade/WTO
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Richard LA Weiner
International Trade/WTO
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Shawn Higgins
International Trade/WTO
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Australia

Bruce Dailey
Capital Markets: International
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Mimma Barila
Capital Markets: International
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Belgium

Ken Daly
Competition: EU
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Anne Robert
Competition: EU
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Maarten Meulenbelt
Competition: EU
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Elisabetta Righini
Competition/European Law: State Aid
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China

Olivia Ngan
Banking & Finance: Hong Kong-based (International Firms)
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Carrie Li
Capital Markets: Debt (International Firms)
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Constance Choy
Capital Markets: Equity (International Firms)
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Meng Ding
Capital Markets: Equity (International Firms)
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Claudia Yu
Capital Markets: Equity (International Firms)
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Carrie Li
Capital Markets: High-Yield Products (International Firms)
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Yuet Ming Tham
Corporate Investigations/Anti-Corruption (International Firms)
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Lei Li
Corporate Investigations/Anti-Corruption (International Firms)
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Christopher Cheng
Corporate/M&A: Hong Kong-based (International Firms)
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Constance Choy
Corporate/M&A: Hong Kong-based (International Firms)
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Desmond Ang
Dispute Resolution: Arbitration (International Firms)
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Yan Zhang
Dispute Resolution: Arbitration (International Firms)
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James Comber
Dispute Resolution: Litigation (International Firms)
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Desmond Ang
Dispute Resolution: Litigation (International Firms)
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Dominic James
Financial Services: Contentious Regulatory (International Firms)
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David Kalani Lee
Investment Funds (International Firms)
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