WongPartnership LLP‘s team stands out for its provision of ’strategic, smart and structured’ advice to manufacturing, construction and real estate clients. Practice co-head Peng Cheng Tay often represents contractors and developers in complex arbitrations concerning energy projects and engineering contracts, while fellow co-head Ian de Vaz is an expert in all forms of construction contracts and insurance-related issues, in addition to PPP and procurement matters. Qian Yi Sim is recommended for her vast knowledge of waste-to-energy mandates, regularly advising on the full suite of contractual construction work. Vishi Sundar departed the practice in October 2025.
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
- 'A professional and responsive team that is very in tune with the industry and able to offer pragmatic and realistic advice. One of the team’s key strengths is the ability to clearly communicate difficult legal issues and inspire confidence.'
- 'We worked with Tay Peng Cheng and Deya Dubey, both of whom were excellent.'
- 'The team possesses an in-depth understanding of international arbitration proceedings and brings a wealth of experience with a proactive and client-oriented approach, delivering strategic, smart, and structured solutions.'
- 'The lawyers recognise the complex layers of disputes, remain highly responsive, and maintain a strong focus on clients’ needs throughout.'
- 'Ian de Vaz is a prominent practitioner with very strong advocacy skills and is brilliant in cross-examinations. He is a lawyer that clients trust and rely on.'
- 'Vishi Sundar is an outstanding lawyer in international commercial arbitration — creative, hardworking, easy to work with, and consistently prioritising clients’ interests.'
- 'Good, practical advice is provided with due regard to recent legal developments and case law.'
- 'Tay Peng Cheng is detailed and meticulous, and closely supervises the work of his team.'
- 'The team has a strong network within the local construction industry, enabling creative solutions that help resolve disputes and prevent escalation.'
- 'Vishi Sundar is our counsel of choice for major litigation and arbitration disputes. He is extremely responsive, strategically sharp, and provides clear, concise advice aligned with key commercial objectives. In my view, he is a future market leader.'
Lawyers
Leading partners
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.
Practice head
Peng Cheng Tay; Ian de Vaz
Other key lawyers
Qian Yi Sim; Andre Soh; Lay Theng Kua