Ong Wei Jin

Ong Wei Jin is a Consultant in the Corporate and Financial Services Regulation Practice Group at Harry Elias Partnership, focusing on Mergers and Acquisitions. His principal areas of practice are corporate finance, mergers and acquisitions and general corporate, as well as securities regulatory and compliance matters.

He has regularly acted for both purchasers and vendors of assets and businesses, in sales by private negotiations and in sales by tenders. He has also acted for Singapore and foreign companies in their initial public offerings on the Singapore Exchange, in takeover and privatisation transactions, and acts as legal counsel to listed companies to ensure post-listing regulatory compliance.

Wei Jin has advised on regulatory compliance, including legal reviews of internal regulatory compliance procedures for financial institutions. His regulatory background comes from his service as a Deputy Public Prosecutor with the Commercial Affairs Department, where he was involved in the prosecution of regulatory offences.

He is recognised as “Highly Regarded” for M&A by IFLR1000 Asia Pacific (2025). He holds a Master of Laws and a Bachelor of Laws (Honours) from the National University of Singapore, and a Master of Business Administration from the University of Hull. He is a member of the Singapore Academy of Law and The Law Society of Singapore.