Company Profile

GRM windows was founded by Gareth Gambling In 1975. After installing high quality windows, selling to trade was the next step. His philosophy has always been to supply high quality windows at a competitive price.

To achieve this his belief has always been to keep the service personal whilst investing in top line machinery to produce the windows.
 
Richard Gambling Joined GRM in 1994 with a view to taking GRM forwards for the next 30 years.

Our factory has some of the most sophisticated manufacturing machine available to the industry. This enables GRM to produce windows with fast turn-around, very accurately and efficiently.