By SanctionsAI team · Updated 2026-08-09

UK OFSI sanctions regime

The UK Office of Financial Sanctions Implementation (OFSI), part of HM Treasury, administers and enforces UK financial sanctions. Post-Brexit, the UK operates an independent sanctions regime.

Key features

FeatureDetail
Legal basisSanctions and Anti-Money Laundering Act 2018
50% RuleEntities 50%+ owned by designated persons are also blocked
ReportingAll financial institutions must report to OFSI
PenaltiesCivil penalties up to GBP 1M or 50% of breach value
Criminal penaltiesUp to 7 years imprisonment

Post-Brexit independence

The UK now operates an independent sanctions regime separate from the EU. While often aligned with EU and US sanctions, the UK can impose its own designations. UK financial sanctions apply to all UK persons and within UK territory.

Screening: Screen against the UK OFSI consolidated list in addition to OFAC and EU lists for comprehensive coverage.

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Frequently Asked Questions

What is OFSI?
The UK Office of Financial Sanctions Implementation, part of HM Treasury. Administers and enforces UK financial sanctions.
Does the UK have a 50% Rule like OFAC?
Yes. UK financial sanctions apply to entities owned or controlled (50%+) by designated persons, even if not separately listed.
What are UK sanctions penalties?
Civil penalties up to GBP 1M or 50% of breach value. Criminal penalties up to 7 years imprisonment.
Are UK sanctions the same as EU post-Brexit?
Often aligned but independent. The UK can impose its own designations separate from the EU.

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