Grant Engineering, a privately owned company headquartered in the UK, founded in 1997, employs approximately 140 individuals, and reported $18.9M in revenue as of 2023. The company specializes in the manufacturing and supply 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 emphasis on Net Zero initiatives.