Marco Siu
蕭健熙大律師
Year of Call (HK): 2022
LLM, University College London (2021)
PCLL, University of Hong Kong (2020)
Bachelor of Laws, University of Hong Kong (2019)
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Year of Call (HK): 2022
LLM, University College London (2021)
PCLL, University of Hong Kong (2020)
Bachelor of Laws, University of Hong Kong (2019)
CRIMINAL
HKSAR v Koo [2025] HKDC 405, DCCC 424/2024
A renowned coach of the Hong Kong water polo team, the Defendant was charged with fraud for falsifying the training records of the Hong Kong water polo team to obtain subsidy for the team’s use. Upon his guilty plea, the Defendant was sentenced to 240 hours of CSO. Marco, led by Mr Selwyn Yu SC, represented the Defendant.
HKSAR v Huang [2025] HKDC 884, DCCC 514/2024
The Defendant, a cross-border lorry driver, was charged with attempt to export unmanifested cargo worth HK$12 million. The Defendant was acquitted after trial as the Court was satisfied that the defendant successfully established the statutory defence. Marco represented the Defendant with Ms Jolie Chao.
HKSAR v Lau [2024] HKCFI 1062, [2025] 2 HKLRD 1290
The Appellant was charged for publishing obscene articles of female X on “Revgram”, an anonymous social media platform. Mr Selwyn Yu SC led Marco in representing the Appellant. The Court explored the admissibility of screenshots of messages in anonymous online chatgroups in this case.
HKSAR v Tam ESCC 1072/2024
Marco assisted Ms Jolie Chao in representing the Defendant, who was charged with one count of conspiracy for an agent to accept advantages, in which he was alleged to have offered a monetary advantage to a local bank manager so that the prospective clients who were living abroad need not attend the bank in person for the applications during the pandemic. The Court found the said bank manager’s (an immunized witness) evidence not credible. The Defendant was acquitted after trial.
HKSAR v Tsoi WKS 8082/2020
Marco assisted Ms Jolie Chao in prosecuting a case of speeding, where the issue was the accuracy of the Police’s laser speed detection system, “Pro Vida”, which is now replaced. The Court found the Defence’s expert evidence incredible and convicted the Defendant.
FAMILY
Re WSC (Minor) FCMP 138/2024
Marco represented the applicants in obtaining joint custody and guardianship to fulfil the Minor’s plan to immigrate to the UK.
Marco joined Chambers in 2023 upon completion of his pupillage with Mr Selwyn Yu SC, Mr Andrew Mak, Mr Eugene Yim, Mr Jonathan Kwan, Ms Jolie Chao, and Mr Tony Ko. He also served as marshal to Justice Godfrey Lam (as he then was) in the Court of First Instance, DDJ Eugene Yim in the Family Court and DDJ Tony Ko in the District Court.
Marco is developing a broad civil and criminal practice. He accepts instructions in all areas of Chambers’ work. He has experience in both advising and litigating cases involving bankruptcy, commercial contracts and tenancies, director and shareholder disputes, fraud (civil and criminal), general and white-collar crime, industrial summonses, land, matrimonial disputes (children, finance and settlement), personal injuries, statutory tribunal hearings, road traffic offences, and wills and probate administration.
As an active mooter, Marco represented the University of Hong Kong in the International Maritime Arbitration Moot in Rotterdam (2019), securing a quarterfinal finish for the team and was awarded the 4th best oralist of the General Rounds himself. He was also the first runner-up of the Basic Law Mooting Competition (2018).
Marco is capable of providing written submissions and conducting hearings in both English and Chinese.