
Jason Teoh & Partners‘ team has a dual focus on tax and international trade. The team handles a range of advisory and contentious matters, including those regarding corporate tax, SST, and stamp duty. The international trade team has a distinct specialism in handling trade remedy actions, and in representing manufacturers and exporters in anti-dumping and safeguarding investigations. The practice is co-led by direct and indirect tax specialist Khong Siong Sie and international trade remedy action expert Jason Teoh.
Legal 500 Editorial commentary
Accolades
Client satisfaction: Sector knowledge
Testimonials
Collated independently by Legal 500 research team.
- ‘Working with Khong Siong Sie is always a pleasure. He has come to be a trusted advisor and valued thought-partner who adds real value to our decision-making. Siong Sie stands out due to his ability to integrate his significant experience in accounting with high-calibre legal thinking. This rare combination allows him to deliver advice that is both commercially grounded and technically sound.’
- ‘Khong Siong Sie is a standout tax practitioner. He understands complex tax frameworks and where risks lie which allows him to anticipate challenges and guide clients with clarity and confidence.’
- ‘Khong Siong Sie is sharp and addresses issues faced with a clear strategy, he was efficient in deploying resources and was able to anticipate risk. Very strong technical ability and emotional aptitude to navigate a sensitive family dispute.’
- ‘The firm's tax practice is led by Khong Siong Sie. His technical knowledge complements his legal knowledge; this gives him an edge over other tax lawyers as he is able to understand the technical side to tax. He is able to speak the lingo of the tax/finance department as well as the legal department.’
- ‘The individuals in this tax practice stand out for their sharp technical skills, commercial insight, and unwavering dedication to client success. Partners like Khong Siong Sie are trusted for their strategic thinking and are calm under pressure. What sets them apart is their collaborative spirit, responsiveness, and ability to translate complex tax issues into clear, actionable advice.’
- ‘We appreciate the firm's collaborative work-style.'
- 'The team is committed to working closely with clients to solve problems and structure solutions as opposed to simply executing instructions. They are responsive and solutions-orientated, and on engagement act as a seamless extension to the clients' in-house legal team.’
- ‘Jason Teoh is commercial and quick to come up with practical solutions. Easy to work with and fuss free.’
Key clients
- Comfort Rubber Gloves Industries Sdn Bhd
- Easteel Services (Malaysia) Sdn Bhd
- Gallant Quality Sdn Bhd
- GTP Network Sdn Bhd
- Hoa Phat Steel Sheet Co.Ltd
- Lagenda Mersing Sdn Bhd
- MB World Group Berhad
- POSCO Korea
- POSCO-Vietnam Co. Ltd
- Far Eastern Industries (Shanghai) Ltd.
- Mewah Dairies Sdn. Bhd.
- Power Packaging (M) Sdn. Bhd.
Work highlights
Represented Bursa-listed Comfort Gloves Berhad Group in judicial reviews challenging MYR99m in additional taxes and penalties following the tax authority’s reversal of basis period approvals.
Acted for Easteel (a subsidiary of Natsteel Singapore) in a transfer pricing dispute, successfully securing the release of retrospective surcharges imposed by the tax authority.
Represented Lagenda Properties Berhad’s subsidiary in successfully overturning a stamp duty assessment, securing a refund and setting an important precedent for property developers facing inflated valuations.
Lawyers
Next Generation Partners
Junior partners with significant recognition from clients and peers in the market and key roles on multiple matters.

Practice head
Khong Siong Sie; Jason Teoh
