The consumer area of this website is to help those wanting to purchase an MCS certified product or find an MCS certified installation company.


We recognise that at times things don’t always go to plan. If this is the case, follow these simple steps if you have a complaint about the installation undertaken for you by your MCS-certified Contractor:

Other types of complaint

If you have any other type of complaint, or would like to provide feedback regarding an installation not undertaken on your premises, please send full details to

Please note

The ultimate sanction MCS has if Contractors fail to comply, is removal of their licence to operate under the scheme. We do not have the authority to award compensation or other financial redress. For other organisations which might be able to help click here.

Please click here to continue to the MCS Complaints Form.

To download a printable version of the complaint form please click here.