Constance Choy

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 multi-disciplinary 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.

Constance has been recognized as a leading lawyer for equity capital markets and corporate/M&A work by Chambers Greater China Region for 16 consecutive years (2010 – 2026) and is recommended by Legal 500 Asia Pacific (2023 – 2026). She is highly respected by clients as having “profound knowledge, a sophisticated approach and strong leadership.” A client praised that “I don’t think there is anyone more experienced and capable than Constance in the market on IPO listing matters. She is truly the best of the best.” Another also noted: “She herself is not only proficient in the fields of capital markets and commercial law, but the teams she has organized for us have always been our solid backing, with in-depth knowledge.” She is also described by clients as a “very respected and adept practitioner” who is able to offer clients three decades of experience in advising IPOs. Market sources recognize Constance as someone who is “good at what she does” with “in-depth knowledge about all things in corporate law.” Additionally, she has been recognized as one of the “Visionaries,” part of the A-List by China Business Law Journal (2024 – 2025). The Visionaries “acknowledges seasoned lawyers who hold key management positions in their firms and prominent public positions.”

Constance is a member of the Council of the Law Society of Hong Kong. She was awarded “the Chief Executive’s Commendation for Community Service” by the Government of the Hong Kong Special Administrative Region of the People’s Republic of China (HKSAR). Constance also received a “Gold Award” by the Law Society of Hong Kong’s Pro Bono and Community Service Awards in recognition of her devotion and contribution to community service.