Chee Siong Sim

Sim Chee Siong is the Head of the Constructions & Projects Practice in Rajah & Tann Singapore.

Chee Siong brings more than 25 years of experience advising clients on major infrastructure and projects in many parts of the world. His areas of practice encompass a wide range of contentious and non-contentious work in the areas of construction, engineering and infrastructure projects.

He is listed as a Highly Regarded lawyer in Project Development by IFLR1000 and in International Arbitration by Best Lawyers since 2019. Additionally, he has been ranked as a recommended lawyer in Construction and a leading partner in Projects and Energy by The Legal 500 Asia Pacific 2025.

He has also been named as a Senior Accredited Specialist for Building and Construction Law by the Singapore Academy of Law’s Specialist Accreditation Scheme.

On the contentious side, Chee Siong has extensive litigation, adjudication, arbitration and mediation experience – both domestic and international. His clients span the spectrum of the industry, including, developers, contractors, sub-contractors and suppliers of various tiers, consultants. His experience includes disputes relating to new energy projects, oil and gas projects, power plants, specialised process plant such as sewage treatment plant, copper smelting and refining plant, marine oil terminal, hotels, specialised warehouses and logistics complexes.

On the non-contentious side, Chee Siong has been involved in major building and infrastructure projects in Singapore and in the region including developments of integrated water and power project, oil storage terminals, cement plants, luxury hotels and condominium developments and warehouses and logistics complexes.

Chee Siong is fluent in English and Mandarin.