Becoming a Guardian Certified Installer is a clear, structured process designed to support quality, compliance, and long-term business success. Guardian will guide you at every stage.
Step 1
Application & Documentation
Complete the Guardian Certified Installer application form and submit the relevant supporting documentation outlined within it. This includes business details, insurance information, guarantees, and compliance documentation required for Guardian certification and TrustMark registration.
All submissions are carefully reviewed by the Guardian team.
Step 2
Application Review & Approval
Your application and documentation are checked to ensure they meet Guardian’s quality, compliance, and customer service standards. If anything further is required, our team will contact you promptly to support you through the process.
Step 3
Mandatory Technical Training
All installers must attend a full-day Guardian technical training session, delivered by our Training Manager, Trevor Crossley.
This interactive session covers:
The training is practical, engaging, and designed to ensure consistent, high-quality installations.
Step 4
Knowledge Check
Following the training session, installers complete a short assessment to confirm understanding of the system and installation process. This helps maintain consistent standards across the Certified Installer network.
Step 5
Certification Confirmation
Once the training and assessment have been successfully completed, Guardian will formally confirm your status as a Guardian Certified Installer.
At this stage, you will gain access to:
Step 6
TrustMark Audit & Ongoing Quality Assurance
As part of the TrustMark scheme, Guardian Certified Installers are required to have one completed installation audited within a 12-month period.
The audit is a simple, remote process that involves:
Step 7
A Supportive, Professional Partnership
The Guardian Certified Installer programme is designed to support you — not complicate your business. From application through to ongoing compliance, you’ll benefit from clear guidance, expert training, and a partnership focused on long-term success.