Office of Financial Sanctions ImplementationGovernment

The Office of Financial Sanctions Implementation (OFSI) is a specialized unit within HM Treasury responsible for implementing and enforcing financial sanctions in the United Kingdom. Its mandate includes issuing licenses, publishing compliance guidance, monitoring suspected breaches, and imposing civil monetary penalties to support UK foreign policy and national security objectives. Established on March 31, 2016, OFSI succeeded HM Treasury's Asset Freezing Unit with significantly expanded enforcement powers and resources.