Complaints policy


We always endeavour to provide the best possible service for our customers. However, on rare occasions, we recognise that there may be times where our customers may not be completely satisfied. To ensure we are able to put things rights as soon as we can, please read our complaints procedure below and we will respond promptly to ensure complete satisfaction. As soon as possible after the completion of any GASK installation, please inspect our work to ensure everything has been carried out to our usual high standards. In the unlikely event there is anything you are not completely satisfied with, please contact us as soon as you can in order that we can rectify any problems as soon as possible.


You can either call us on 0141 316 4402; or write to us at GASK Technical Services Limited, 82 Woodhill Road, Bishopbriggs, Glasgow G64 1AR; or email us at 


At GASK we aim to respond within three working days of receiving your complaint and where possible, will provide you with a date to remedy any issues raised. Where we are unable to resolve your complaint using our own complaints procedure, as a Which? Trusted trader we use Dispute Resolution Ombudsman for dispute resolution. In the unlikely event that we cannot remedy your complaint to your satisfaction you may wish to refer your complaint to them. If you wish to do so please contact Which? Trusted traders in the first instance on 0333 241 3209.

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