Hannah C L Ha

Practice Areas

Hannah Ha is the Asia Chair and serves on the global Management Committee of Mayer Brown. She is a partner of the Corporate & Securities practice based in Hong Kong and a co-leader of the global Corporate & Securities practice. Hannah’s primary practice focuses on mergers and acquisitions and she has extensive experience in foreign direct investment in China, cross-border mergers and acquisitions, private equity transactions and general corporate and commercial matters. Hannah's practice also covers competition law, and she co-heads the firm's award winning Antitrust & Competition Team in Asia.

Hannah advises sovereign wealth funds, blue-chip companies, multi-national corporations and mainland Chinese companies. Her industry experience is wide-ranging, including aviation, chemicals, construction, consumer products, pharmaceuticals, transport, financial services and real estate.

Consistently recognised by independent commentators, clients told IFLR1000 2020 that “Ms Hannah Ha, who we've worked very closely with for years is exceptionally professional, she is always able to provide extremely commercially sensible legal advice to the group topped with great wisdom. We are thankful to have wise and helpful lawyers like her to work hand-in-hand with us”. Legal 500 Asia Pacific 2020 also described Hannah as “well-positioned to guide local clients through investigations initiated by the Competition Commission, while on the non-contentious side, as well as her regular involvement in merger clearance work, Ha also assists multinational corporations to implement compliance programmes for antitrust and anti-corruption in Asia”.

Hannah is an active advocate of pro bono and diversity & inclusion initiatives. She was recognized as a women leader by IFLR1000 Women Leaders 2020-2023 consecutively, and shortlisted for the Asian Women in Business Law Award (M&A) by Euromoney in 2020. She has also been named leading lawyer for Mergers and Acquisitions by Expert Guides: Women in Business Law in 2014-2016.

Hannah is a China-Appointed Attesting Officer (appointed by the Ministry of Justice of PRC) and a Notary Public in Hong Kong. She speaks English, Cantonese and Mandarin.