Call our UK sales and support line free on 0800 012 1607 or 01234 269 911

We are able to offer a 10 year insurance backed guarantee - please ask for more details.

Our Guarantee

Everyone has heard stories of dodgy double-glazing firms who duck out of their guarantee obligations by folding the company and then starting it up again under a different name. In order to combat this practice and give consumers some come back for security, “insurance-backed guarantees” have been introduced.

Basically an insurance-backed guarantee works because the insurance company, and not the installer, takes responsibility for the guarantee and so will honour it if the installer folds.

Not all insurance-backed guarantees are the same however and you must ensure that the guarantee offered to you is underwritten with an insurance policy issued by an approved Insurer which is administered through an FSA appointed agent. There must be no cancellation clause otherwise the Insurer will be able to “escape” the risk if so desired. The insurance must take the form of a direct contract between the Insurer and yourself without the involvement of any other party in the relationship.

The ten-year term must be fully prepaid to the Insurer at the outset by way of a single premium.

Full documentation must be issued to the Insured which consists of a certificate of insurance. Without this safeguard false claims and omissions in the administrator’s certificate of insurance will go undetected.

All parties to the insurance – administrator, broker, insurer – must be clearly identified in the documentation.

We provide a guarantee that meets all the above requirements for your safety and peace of mind.


We are pleased to announce that George Clarke will join stalwart Nick Ross as brand ambassador for DGCOS.

We are currently transforming who we are, what we do and most importantly how we look, in order to provide you and your customers with complete peace of mind.

As an existing DGCOS member, we firstly wanted to THANK YOU for being on this journey with us so far.

Things are about to get interesting, George is just the first exciting step on our new journey, we hope you enjoy the ride.

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