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Report to OFSI? Know When & How

Unsure if you must report to OFSI? Find out who must report, what to send, and when — especially under UK-Russia sanctions.


UK financial sanctions graphic with Union Jack, lock symbol, documents, globe icons, and a gavel, conveying security and regulation themes.

If you're navigating the complex world of UK financial sanctions, understanding your reporting obligations to OFSI (Office of Financial Sanctions Implementation) isn’t optional — it’s essential. Whether you're an auditor, estate agent, or crypto firm, knowing your duties under the Sanctions Act or ATCSA 2001 can mean the difference between compliance and costly penalties.


With UK sanctions regimes tightening — especially against countries like Russia, Iran, and North Korea — this guide walks you through what you need to report, who qualifies as a “relevant firm”, and how to comply with OFSI's expectations. Let's break it all down clearly

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Key Questions Covered in This Blog

  • What is OFSI and why does it matter for UK sanctions compliance?

  • Who is required to report to OFSI under UK sanctions law?

  • What must be reported to OFSI — and when?

  • What are the unique reporting rules under the Russia sanctions regime?

  • How do reporting obligations differ under ATCSA 2001?

  • What practical steps can I take to stay compliant?



"Reporting to OFSI is not just a regulatory box-tick — it’s a critical act of national compliance that touches on international trade, security, and trust."– Arne Mielken, Managing Director, Customs Manager Ltd

Abbreviations Used In This Blog

OFSI – Office of Financial Sanctions Implementation

UK – United Kingdom

ATCSA 2001 – Anti-Terrorism, Crime and Security Act 2001FSMA 2000 – Financial Services and Markets Act 2000

FCA – Financial Conduct Authority

EU – European Union

OFAC – Office of Foreign Assets Control (USA)

SDN – Specially Designated Nationals

Russia Regulations – Russia (Sanctions) (EU Exit) Regulations 2019


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What is OFSI and why does it matter for UK sanctions compliance?

OFSI is the UK government body that enforces financial sanctions across a wide range of regimes, from Russia to North Korea, from terror financing to human rights violations.


OFSI ensures that those subject to UK jurisdiction freeze funds and economic resources of designated persons and entities and prevent financial support from reaching them. Whether you're a UK-based exporter, a crypto wallet provider, or a legal professional, your organisation could be legally obligated to report when you come across sanctioned individuals or breaches.


The consequence of not reporting? Fines, reputational damage, or criminal prosecution. That’s why understanding your OFSI obligations is core to effective trade compliance.


Who is required to report to OFSI under UK sanctions law?

Under the Sanctions Act, the UK identifies “relevant firms” and “relevant institutions” with mandatory reporting obligations.


Think of relevant firms as frontline professionals — accountants, lawyers, casinos, estate agents, crypto firms, even art dealers. These are sectors with potential exposure to funds or assets linked to designated persons.


Reporting is triggered if the firm knows or suspects that:

  • They are dealing with a sanctioned individual or entity, or

  • A breach of sanctions has occurred.


And it’s not limited to the UK. These rules apply extraterritorially to UK individuals and entities wherever they operate globally.


Since 14 May 2025, the scope expanded even further — art market participants, insolvency practitioners, and letting agents will be required to comply.


What must be reported to OFSI — and when?

You must report as soon as practicable — not when convenient, but urgently.


Your report must include:

  • The basis of your suspicion: What triggered your concern?

  • Identification details: Any information that helps OFSI identify the person or entity involved.

  • Asset details: If the subject is a customer, disclose the type and quantity of funds or economic resources you hold.


Failing to report or delaying unnecessarily can lead to enforcement action — so document your decisions and move swiftly.


What are the unique reporting rules under the Russia sanctions regime?


Russia's regime is a category of its own, with enhanced obligations introduced in late 2023.

If you suspect you're holding funds for prohibited persons — such as the Central Bank of Russia, National Wealth Fund, or Ministry of Finance — you must report it immediately using OFSI’s designated reporting form.


In addition:

  • You must submit an annual report by 30 November (previously 31 October) each year.

  • This report must reflect the holdings as of 30 September, covering both funds and economic resources.


This applies even if your firm submitted the initial report months earlier. It's a recurring obligation, not a one-off.


The pressure is real — Russia-related sanctions are among the UK’s most actively enforced regimes.


How do reporting obligations differ under ATCSA 2001?


ATCSA 2001 empowers the UK to impose asset freezes beyond the scope of the Sanctions Act — especially in counter-terrorism efforts.


The obligations here are similar:

  • Designated persons must be reported to OFSI.

  • The UK Freezing Orders list outlines who is sanctioned under ATCSA.

The laws may differ in source, but the spirit is the same: keep designated persons from accessing funds. You need to be diligent — ignorance isn’t a defence.


Arne’s Takeaway

If you think reporting to OFSI is just for banks or government bodies — think again. The net is wide, and it’s tightening. Whether you're running a small legal practice, managing a crypto platform, or operating an art gallery, you could be a relevant firm with real responsibilities.

Act swiftly. Know what to look for. Report when necessary. Sanctions compliance isn't just a checkbox. It's a vital piece of the UK's national security puzzle.


👉 Need clarity on your obligations? Book a free expert call today: www.customsmanager.org


Expert Recommendations

  • Review OFSI Guidance Regularly – Laws evolve. Bookmark the UK sanctions regimes page.

  • Identify Your Firm's Risk Profile – Use our risk assessment template to clarify where exposure may exist.

  • Train Your Staff – Make sure all employees are aware of the signs and escalation paths.

  • Document All Reports – Keep a record of what was reported and when.

  • Subscribe to Alerts – Get notified of changes via www.customsmanager.info.


Sources & Further Information

  • OFSI Guidance

  • Russia (Sanctions) Regulations 2019

  • UK Freezing Orders

  • Anti-Terrorism, Crime and Security Act 2001

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Disclaimer

This blog is provided for educational purposes only. It is not legal advice. Please consult a qualified legal professional before taking action on any information provided here. For tailored advice, book a consultation with us at www.customsmanager.org.


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