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Office of Significant Investments Review

About the Office of Significant Investments Review (OSIR)

Information about OSIR.

Last updated on 30 September 2026

About OSIR

The Office of Significant Investments Review (OSIR), situated within the Ministry of Energy, Trade and Industry (METI), is responsible for the administration of the Significant Investments Review Act (SIRA). SIRA complements existing sectoral legislation and manages significant investments into critical entities, to safeguard Singapore's national security interests.

About METI

The Singapore Ministry of Energy, Trade and Industry’s mission is to promote economic growth and create good jobs for Singaporeans. Together with its statutory boards, it ensures that Singapore’s economy remains competitive, is able to attract investments, and nurtures a deeper base of global Singapore enterprises. For more information, go to www.meti.gov.sg (opens in new tab).