ACE.SG (Action Community for Entrepreneurship) | 12,031 followers on LinkedIn. ACE.SG is the national voice for the Singapore startup ecosystem. A key trade association representing startups. | ACE.SG (Action Community for Entrepreneurship) is the national voice for the Singapore startup ecosystem, and a key trade association for startups. ACE.SG constantly seeks to build a dynamic and sustainable startup ecosystem in Singapore, focusing on five key pillars: Startups, Corporations, Institutes of Higher Learning, Risk Capital, and the Public Sector. ACE.SG was established in 2003 by the Singapore Ministry of Trade and Industry (MTI), and re-launched as a private sector-led, non-profit organisation in 2014.