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Office of Significant Investments Review

Contact Us

Get in touch with us.

Last updated 2 June 2026

Locate Us

100 High Street
#08-01, The Treasury
Singapore 179434

Mon - Fri: 9.00am - 6.00pm
Closed on Saturdays, Sundays and Public Holidays

General Enquiries & Feedback

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Raise Your Concerns

If you have any information or concerns you wish to share in confidence, please submit them to this email (confidential@osir.gov.sg). Your identity will be kept anonymous.