MKM is the UK’s largest independent builders’ merchant, with 36 branches across England and Scotland. MKM is a Hull based company and was established in 1995 by David Kilburn and Peter Murray.

The vision for the organisation was to offer unprecedented levels of service by building excellent relationships with customers and suppliers.

MKM's Sheffield branch has worked closely with Garden Gorilla to provide materials, logistics and marketing support for school and community projects.