What is Trustmark?

  • Reviewed: 28 August 2026
  • Official sources referenced

In summary

TrustMark is the UK’s Government-Endorsed Quality Scheme for home improvements, energy efficiency, and retrofitting. Established in 2005 as a not-for-profit social enterprise, it was created through collaboration between government, industry bodies, and consumer protection organisations.

What is Trustmark?

TrustMark is the UK’s Government-Endorsed Quality Scheme for home improvements, energy efficiency, and retrofitting. Established in 2005 as a not-for-profit social enterprise, it was created through collaboration between government, industry bodies, and consumer protection organisations.

TrustMark’s mission is to raise standards across the home improvement and energy retrofit sectors by ensuring quality workmanship, technical competence, and robust consumer protection. The organisation reinvests in its operations, working alongside scheme providers and over 50,000 registered businesses to strengthen accountability and public trust.

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