Daren Shiau, BBM, PBM, is Partner at Allen & Gledhill LLP where he trained at in 1996 and is currently Co-Head of the firm’s Corporate Department. A pioneering regional antitrust specialist in Singapore and ASEAN, he is concurrently Regional Co-Head of the firm’s Competition & Foreign Investment Review Practice. Chambers Asia-Pacific cites Daren as “Singapore’s top competition lawyer” and recognises him as the only Singapore antitrust practitioner in its “Eminent Practitioner” tier. Singapore introduced omnibus foreign investment control laws in 2024. Daren is currently the only Singapore lawyer named Global Elite Thought Leader by Lexology Index: Foreign Investment Control. Daren has been lead advisor in a predominant majority of Singapore’s merger control cases (including Phase 2 Reviews), has successfully represented appellants in a watershed Competition Appeal Board matter which overturned the Singapore competition agency’s decision on liability, and has successfully defended parties in 100% of Singapore’s international cartel decisions to date.

Daren Shiau, BBM, PBM, is Partner at Allen & Gledhill LLP where he trained at in 1996 and is currently Co-Head of the firm’s Corporate Department. A pioneering regional antitrust specialist in Singapore and ASEAN, he is concurrently Regional Co-Head of the firm’s Competition & Foreign Investment Review Practice. Chambers Asia-Pacific cites Daren as “Singapore’s top competition lawyer” and recognises him as the only Singapore antitrust practitioner in its “Eminent Practitioner” tier. Singapore introduced omnibus foreign investment control laws in 2024. Daren is currently the only Singapore lawy...

Publications

Merger Control Law Guide

Co-author of the Singapore chapter in the Merger Control Law Guide , published 13 July 2026 , alongside Elsa Chen .