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Accreditation Process

Becoming a HIES Accredited Installer

Show your commitment to professional standards, homeowner confidence, and industry best practice.

At HIES, we carefully assess every applicant to ensure they meet our eligibility criteria before becoming accredited. Our thorough vetting process protects homeowners and helps maintain the integrity of the home energy industry, ensuring that Accredited Installers operate to the highest standards.

How Does the Accreditation Process Work?

Our accreditation process ensures that only businesses meeting our standards are accredited. Here’s an overview:

1. Application Review

We assess applications through initial credit and background checks. This includes reviewing the applicant’s credit rating, payment history, any outstanding county court judgements, and the history of directors or proprietors.

2. Documentation Check

Applicants provide essential documentation about their business, including financial statements, customer-facing documents, business processes, and insurance.

3. Reputational Analysis

We look beyond paperwork to assess the online reputation of the business. This includes customer ratings (Trustpilot, Google), any negative reports associated with the business phone number, issues raised with the Advertising Standards Authority, and website review.

4. Additional Requests & Management Review

Occasionally, we may request further information or carry out deeper investigations based on the findings above.

5. Final Decision

Based on the review process, businesses are either approved for membership or declined.

Note: The accreditation process is subject to updates and may change from what is outlined on this page.