Smart Metering Systems Plc engages in the ownership and operation of gas and electricity meters. It operates through the following segments: Asset Management, Asset Installation, and Energy Management. The Asset Management segment includes regulated management of gas meters, electric meters, and ADM units. The Asset Installation segment deals with the installation of domestic and industrial and commercial gas meters, and electricity meters. The Energy Management segment offers energy efficiency advice and environmental management services. The company was founded in 1995 by Stephen Paul Timoney and is headquartered in Glasgow, the United Kingdom.