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UK sanctions New Zealand insurer Maritime Mutual after Reuters report

Published by Global Banking & Finance Review

Posted on February 24, 2026

3 min read

· Last updated: April 2, 2026

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UK sanctions New Zealand insurer Maritime Mutual after Reuters report
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By Paul Carsten and Lucy Craymer BERLIN, Feb 24 (Reuters) - Britain on Tuesday sanctioned Maritime Mutual, the New Zealand-based marine insurer that was the subject of a Reuters special report into

UK sanctions New Zealand insurer Maritime Mutual after probe

By Paul Carsten and Lucy Craymer

UK Sanctions on Maritime Mutual: Key Facts

BERLIN, Feb 24 (Reuters) - Britain on Tuesday sanctioned Maritime Mutual, the New Zealand-based marine insurer that was the subject of a Reuters special report into how it had helped in the trade of tens of billions of dollars of Iranian and Russian oil.

"(Maritime Mutual) is or has been involved in obtaining a benefit from or supporting the Government of Russia by carrying on business in a sector of strategic significance to the Government of Russia, namely the Russian energy sector," the British government said in a statement.

Role in Shadow Fleet Insurance

Reuters' reported in October that Maritime Mutual had insured several vessels in what's known as the shadow fleet – hundreds of oil tankers owned by different firms that transport sanctioned cargoes from countries such as Iran, Russia and Venezuela, concealing their trade with fake locations, documents and names.

The company had insured at some point almost one in six of the shadow fleet tankers sanctioned by Western governments, including the United States, European Union and Britain, Reuters found.

Asset Freeze and Director Disqualification

The British sanctions imposed on Maritime Mutual Insurance Association, the company's main business based in Auckland, New Zealand, include an asset freeze and director disqualification. Maritime Mutual Association Limited, an affiliate in Gibraltar, was also sanctioned.

Wind-Down Licence Until April 9

The UK Treasury issued a licence, which expires on April 9, allowing for the winding down of insurance policies written by Maritime Mutual entities and their subsidiaries before the sanctions announcement.

Requests for comment emailed to the company's management and general enquiries teams had not been answered by the time of publication. A person who answered the phone in Maritime Mutual's Christchurch office declined to comment.

Company’s Response and Compliance Claims

The company has previously denied engaging in conduct that breached any applicable international sanctions. It told Reuters last year it maintains a "zero-tolerance policy" on sanction breaches and operates under rigorous compliance standards designed to ensure full adherence to all applicable laws and regulations.

Part of UK’s Largest Post-Invasion Sanctions Package

The sanctions on Tuesday against Maritime Mutual are part of a package of nearly 300 measures that Britain said was its largest set of penalties since the war began. It was announced on the fourth anniversary of Russia's invasion of Ukraine.

Foreign Minister Yvette Cooper’s Statement

"The UK  has today taken decisive  action to  disrupt the critical  financing, military equipment and revenue streams that sustain Russia's aggression," foreign minister Yvette Cooper said in a statement.

Dateline and Reporting Credits

(Reporting by Paul Carsten in Berlin and Lucy Craymer in Islamabad; Editing by David Clarke)

Key Takeaways

  • The UK designated Maritime Mutual Insurance Association (NZ) Ltd and its Gibraltar affiliate, imposing sanctions for supporting Russia’s energy sector. (gov.uk)
  • Sanctions include an asset freeze; designated status restricts dealings with the insurer and related entities. (gov.uk)
  • OFSI issued a wind‑down general licence allowing existing policies to be terminated or settled until 23:59 on April 9, 2026. (assets.publishing.service.gov.uk)
  • The move follows an October Reuters investigation linking Maritime Mutual to shadow‑fleet tankers moving sanctioned oil. (insurancejournal.com)
  • UK officials announced the action as part of nearly 300 new measures tied to Russia sanctions. (ft.com)

References

Frequently Asked Questions

What is the main topic?
The UK sanctioned Maritime Mutual, a New Zealand-based marine insurer, for activities linked to Russia’s energy sector, and granted a short wind‑down period for existing policies. ([gov.uk](https://www.gov.uk/government/publications/list-of-russia-sanctions-targets-24-february-2026/list-of-russia-sanctions-targets-24-february-2026))
Which entities were targeted and what measures apply?
Maritime Mutual Insurance Association (NZ) Ltd and Maritime Mutual Association Limited (Gibraltar) were designated, triggering an asset freeze and related restrictions on dealings. ([gov.uk](https://www.gov.uk/government/publications/list-of-russia-sanctions-targets-24-february-2026/list-of-russia-sanctions-targets-24-february-2026))
Why now?
The action forms part of a broad UK package against Russia and follows a Reuters investigation that tied Maritime Mutual to ‘shadow fleet’ tankers carrying sanctioned oil. ([ft.com](https://www.ft.com/content/4ef6e06d-b877-4444-b58a-427513c58516?utm_source=openai))

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