GNAT UK Ltd, is a national based company with 4no depots in Perth Scotland, Richmond North Yorkshire, Derby in Derbyshire and Stevenage in Hertfordshire, we are the only UK contractor that specializes in all aspects of Diamond Drilling and Sawing of concrete, Hydro-Demolition, Robotic Demolition on hire or sub-contract and a hire division of Brokk and Husqvarna machines with the addition of a service and repair facility for other contractors plant and machinery, hammers, crushers, shears etc.