Grant Engineering, a Privately Owned company headquartered in the United Kingdom, was founded in 1997 and employs approximately 140 individuals. The company functions as a manufacturer and supplier of sustainable heating solutions, with a focus on high-efficiency air source heat pumps, HVO-compatible oil-fired boilers, and renewable heating systems. It provides low-carbon solutions, including underfloor heating, solar thermal, and cylinders, targeting both residential and commercial sectors with an aim for Net Zero.