Herbert Smith Freehills (Hong Kong)

William Hallatt

Herbert Smith Freehills (Hong Kong)
Lawyer (Partner)

William heads the firm’s Financial Services Regulatory practice in Asia and has over 15 years’ experience as a trusted adviser in the regulatory arena. William’s clients include major investment banks, wholesale and retail banks, hedge funds, private wealth managers, investment managers and private equity firms. He is one of the leading experts globally on culture and conduct and regularly works with clients across Asia on new regulatory developments, compliance advisory matters and fintech. William also advises on the extraterritorial impact of third country regulation, such as MiFID II and the EU Benchmark Regulation, on financial services firms operating in Asia.William has deep contentious experience, representing firms on numerous actions brought by regulators including the Hong Kong SFC and the HKMA, including most recently major investigations relating to IPO sponsor misconduct, anti-money laundering and terrorist financing compliance, systems and controls failures, market misconduct and cyber-security breaches. He has also conducted numerous internal investigations for financial institutions, in particular reviews of firms’ governance arrangements and/or systems and controls in the context of Hong Kong, European and UK regulatory requirements and expectations. William has close working relationships with key regulators, both at a local jurisdictional and an international level. He is heavily involved in regulatory reform initiatives and regularly leads discussions with the regulators on behalf of the financial services industry. This includes working closely with leading industry bodies, including ASIFMA and AIMA.

Linked authors

Herbert Smith Freehills (Brussels)
Herbert Smith Freehills (London)
Herbert Smith Freehills (Paris)
Herbert Smith Freehills (London)
Herbert Smith Freehills (Melbourne)


144 Bulletin

William Hallatt, Hannah Cassidy, Frederick Good, Adelaide Luke The Hong Kong Competition Authority and the Securities and Futures Commission sign a memorandum of understanding to enhance collaboration and the exchange of information on competition issues in the securities and futures industry


On 28 April 2020, the Hong Kong Competition Commission (HKCC) and the Securities and Futures Commission (SFC) announced that they had signed a memorandum of understanding (MoU) to enhance collaboration and exchange of information, particularly in respect of competition issues in the securities (...)

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