Joanna Yap

Joanna is based in Taxand Singapore, where she is a Partner at KhattarWong LLP. She joined the tax practice in 2003.

Joanna Yap is a partner with the Tax & Private Client Practice Group with more than a decade of experience in advising all areas of Singapore taxation, in particular, income tax, goods and services tax, property tax as well as stamp duties. She specialises in resolving tax disputes with the Inland Revenue Authority of Singapore (IRAS) with a view to reach amicable settlements, tax litigation and tax advisory.

Joanna started her career with the firm’s Tax & Private Client Practice Group in 2003 where she actively advised clients on the tax aspects of cross-border transactions, corporate restructuring and private wealth management. She left the firm in 2007 to join the IRAS where she advised the IRAS on complex and novel points of revenue law. She has represented the IRAS in criminal prosecutions and hearings before all tax tribunals and the Supreme Court as both lead counsel and co-counsel in landmark cases, most notably, AQQ v Comptroller of Income Tax (Singapore’s first tax avoidance case). Prior to re-joining the firm in 2014, she held the appointment of Senior Legal Specialist in the Law Division of the IRAS.

Joanna graduated with LL.B (Hons) from the University of Manchester where she was awarded the R G Lawson Prize. She is an Accredited Tax Practitioner (Income Tax and Goods and Service Tax) with the Singapore Institute of Accredited Tax Practitioners and is the co-author of Chapter 28: Singapore Income Tax, Singapore Law Commentaries on Singapore Commercial Laws.