Updated 26th August 2026

Approved Self-Funded Insurers

Financial Protection for the Self-Funded Market

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TrustMark's independent Financial Protection Panel already reviews the guarantees and insurance-backed protection that underpins work delivered through capital and grant-funded schemes, ensuring homeowners on those schemes are properly safeguarded. Recognising the value installers and homeowners place on that robust oversight, several insurers providing financial protection for privately funded (\"self-funded\") work have chosen to put their policies through the same independent process.

Each provider listed here has had its policy assessed by the Panel — drawing on independent legal, financial, insurance and regulatory expertise — against the same exacting standards TrustMark applies across all its approved mechanisms. For installers, that means an additional, trusted choice of financial protection for privately funded jobs: cover you can offer with confidence, backed by providers who have proactively sought TrustMark's endorsement as a mark of quality and reliability.

It remains the responsibility of every TrustMark Registered Business to check that a listed provider's policy covers the trade, scope and value of the specific work being undertaken before it is offered to a customer. Panel approval confirms that a provider's financial protection mechanism has been independently assessed and meets TrustMark's standards; it is not a guarantee that any policy covers a particular job. Businesses should always confirm current terms, trade eligibility and cover limits directly with the provider. TrustMark accepts no liability for any loss arising from a business's use of, or reliance on, a listed provider's financial protection product.

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Ark Insurance Group

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Ark Insurance Group Ltd is an established underwriting agency that has been operating since 2007. Ark provides a range of insurance products through insurance brokers, including Insurance Backed Guarantees, an essential financial protection measure, for installers carrying out home improvement work and their customers.

Ark is authorised and regulated by the Financial Conduct Authority and has built a reputation for creating practical, tailored insurance solutions. Ark’s Insurance Backed Guarantee policy has also been independently reviewed and approved by TrustMark, giving installers and their customers added confidence.

  • Issuing Body - ARK Insurance Group Ltd

  • Financial Protection Name - ARK Insurance Group Ltd Insurance Backed Guarantee

  • Financial Protection Mechanism Measures: This comprises the table in the document linked below

  • Cover Self-Funded

  • Valid For - up to 12 years

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