One scheme multiple certifications

Why Certass?


  • We have friendly, helpful staff
  • Low cost monthly membership fees
  • Access to our dispute resolution service
  • Free technical support and training through our Trade Association
  • Your own company page on the Certass website
  • Increase your sales potential by standing out as a reliable, trustworthy tradesperson
  • Access to discounts and member offers
  • Simple administration
  • Can cover all your building fabric certification needs




We believe it is the best value scheme on the market, offering multiple certification scopes, all underpinned by our industry leading customer support from our friendly, helpful staff.

Our certification provides consumer confidence in your brand and is designed by tradespeople for tradespeople; To save you money and increase your sales potential.

Low cost, high value membership.

We believe in keeping it simple. Therefore, our pricing is as simple and straightforward as possible. Not only that but as we take payment by monthly direct debit you avoid any nasty surprises and big bills.

Our low cost monthly membership fee covers both your Trade Association and Certification Body membership fee. You can tailor your certification requirements by adding as many scopes as needed.

Plus, with our Cq-Assured workmanship scheme it includes TrustMark membership for no additional cost.


Additional information about our Competent Person Scheme.

Our Competent Person Scheme can save hundreds on each installation when compared to using Local Authority Building Control.

Simply provide us with the installation details using our online members area and we will:

  • Notify your chosen IBG provider automatically
  • Inform the Local Authority of the installation
  • Provide either an electronic of paper copy of the Certass Certificate of Conformity to the Building Regulations.

Our friendly, helpful team are also on hand to provide support and technical guidance.

Additional information about our Cq-Assured workmanship scheme.

Real Certification improving consumer confidence

This Certass Certification Scheme has a robust framework to ensure your business reputation is protected. We check workmanship on-site against appropriate industry Codes of Practice for workmanship standards.

  • Stand out as a reliable, trustworthy tradesperson
  • increase your sales potential
  • The only ‘true’ certification scheme that covers all building fabric trades in the RMI sector (Repair, Maintenance & Improvement)
  • Access to our industry leading customer support from an award-winning certification body

Our certification provides consumer confidence in your brand. Our scheme is designed by tradespeople for tradespeople to save you money and increase your sales potential.

Offer Finance

This is provided via our finance partner. Whether you are authorised under the Financial Conducts Authority or not, we can help. Approval is subject to our finance partner’s criteria.

Dispute Resolution

Every contractor, no matter how good, at some point will have a dispute they just cannot resolve. Certass offer a low cost alternative to court proceedings with our Alternate Dispute Resolution service.

  • Free ADR membership, no additional annual fees
  • Professional trained mediators
  • Low, and in some instances, no cost case fees for our members
  • Low case fees for consumers

Government Endorsed Standards

The scheme also includes free TrustMark membership where applicable.

Additional information about our PAS2030 ECO scheme.

Our PAS2030 scheme checks you meet the management system requirements of the PAS2030 document. When linked to our Cq-Assured scheme which checks your workmanship standards and provides membership of TrustMark. As TrustMark operates the new quality mark for ECO work we have every aspect of your certification requirements in a single scheme.

Installers registered with any of our glazing schemes may also join the Thermal Rating Register Installer scheme allowing the installation company to provide WER labels in their company details. See our TRR installer page for more information.

Our audits schedule:

On application
& annually >

> We carry out a desktop review of your membership. Checking you have appropriate insurance, skilled site operatives, legal status and we have up to date contact information.

On application
& every 3-5 years >

> We carry out an on-site head office audit. Checking your personnel are suitably qualified, complaints logs and appropriate records are kept, a sample of job files and an on-site audit of installation work.

Annually >

> We check a percentage sample of work registered with our scheme to ensure the installation meets scheme requirements.

Not sure about something?

Then take a look at our Installer FAQ’s.

Alternatively, you could always call our office on:

01292 292099

All Certass Limited UKAS accredited Certification Body activities are funded solely by certified members fees.