Brothers Behind Automotive Business Jailed for Tax Evasion and Money Laundering

Case and status

William Ang Ngoh Tee and Winston Ang Chai Heng, directors and shareholders of William’s Auto, were convicted of income tax evasion, GST evasion and money laundering. Each received roughly five to six months in prison and a penalty of S$812,795. Cash sales were routed through a separate non-company account between 2013 and 2019; William received at least S$2 million and Winston at least S$1 million.

Facts, amounts and outcome

Understated profits for YAs 2015–2016 caused S$219,978 of income tax undercharged; understated output tax during 2013–2017 caused S$50,953 of GST undercharged. Both used proceeds partly derived from undeclared sales to buy cars. Winston’s three cheques totalled S$143,845 and William’s cheque S$84,322, illustrating how possession of assets partly funded by tax-evasion proceeds led to money-laundering offences.

Criminal proceeds and money laundering

The release separately explains offences involving concealment, transfer, possession or use of criminal benefits. Its cited legislation permits a fine up to S$500,000, imprisonment up to ten years, or both upon conviction. Spending illicit tax refunds on business bills, personal assets or transfers abroad does not change their origin. The particular laundering allegations or convictions and amounts are set out in the case section above.

Disclosure, reporting and rewards

IRAS encourages taxpayers to correct past errors and report suspected tax malpractices. The release says disclosure may be considered when deciding enforcement action; it is not a blanket promise of immunity. Where the release describes informant rewards, qualifying information leading to otherwise lost tax recovery may attract 15% of recovered tax, capped at S$100,000, at IRAS’ discretion. Informant identities are kept confidential. Use the official release links for its reporting and disclosure channels.

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