George Martin Donoghue

Part of Evergreen Energy Ltd. (United Kingdom), Calvin Capital Group Holdings Ltd. is a British company that provides financial intermediation services. The private company is based in Manchester, UK and was founded in 2016.

Part of Meter Serve 20 Ltd., Meter Fit 20 Ltd. engages in business support service activities. The private company is based in Manchester, UK and was founded in 2015.

Part of Spark Group Holding Ltd., Spark Energy Ltd. provides finance and management services. The private company is based in Selkirk, UK and was founded in 2006.

Part of Evergreen Energy Ltd. (United Kingdom), Meter Serve 3 Ltd. is a holding British company that operates subsidiaries installing gas and electricity meters. The private company is based in Manchester, UK and was founded in 2010.

Founded in 2019, Meter Serve (Holdco) Ltd. is a British company that functions as an investment holding company. Part of Calvin Capital Ltd., the private company is based in Manchester, UK.

Part of Calvin Capital Ltd., Meter Fit Assets Ltd. is a British company that provides meter asset management services. The private company is based in Manchester, UK and was founded in 2010.

Part of Evergreen Energy Ltd. (United Kingdom), Calisen Holdco 2 Ltd. is an investment holding British company. The private company is based in Manchester, UK. Calisen Holdco 2 was founded in 2016.

Part of Evergreen Energy Ltd. (United Kingdom), Calisen Holdco 3 Ltd. is an investment holding British company. The private company is based in Manchester, UK. Calisen Holdco 3 was founded in 2016.

Part of Evergreen Energy Ltd. (United Kingdom), CH Dormant Co. Ltd. is a British company that provides investment services. The private company is based in Manchester, UK and was founded in 2016.

Alt HAN Co. Ltd. provides electric services.

CGH2 Dormant Co. Ltd. engages as an investment company, which engages in the ownership and management of energy infrastructure assets. It operates through the Calvin Capital and Lowri Beck segments. The Calvin Capital segment procures, owns, and manages meter assets on behalf of its energy retailer customers, who make MPC payments to Calisen on a long-term contracted basis. The Lowri Beck segment offers installation, meter reading and maintenance services. The company was founded on November 30, 2016 and is headquartered in Manchester, the United Kingdom.

Meter Serve 20 Ltd. is a British company that provides business support services. The private company is based in Manchester, UK. and has subsidiaries in United Kingdom. Meter Serve 20 was founded in 2015.

Part of Evergreen Energy Ltd. (United Kingdom), Calvin Capital Australia Holdings Ltd. is an investment holding British company. The private company is based in Manchester, UK. Calvin Capital Australia Holdings was founded in 2017.

Calisen Group (Holdings) Ltd. is an essential energy infrastructure company, which provides installation, meter reading, electric vehicle charging, maintenance and ancillary services. It operates through the two business units Calvin Capital and Lowri Beck. The Calvin Capital business unit procures, owns and manages a growing portfolio of domestic electricity and gas meters, with a particular focus on smart meters on behalf of energy retailers. The Lowri Beck business unit installs metering equipment, electric vehicle charging points and provides meter reading and associated services to its energy retailer customers. The company is headquartered in Manchester, the United Kingdom.

Part of Evergreen Energy Ltd. (United Kingdom), Calvin Capital UK Ltd. is a leading owner and manager of essential energy infrastructure assets committed to aiding the effort to reduce carbon emissions through the development and implementation of digital energy infrastructure assets. The private company is based in Manchester, UK. Calvin Capital works closely with its customers to support the procurement and installation of the digital assets they require. The British company was founded in 2002. The CEO is Joanne Margaret Cox.

Meter Serve (Holdco 2) Ltd. operates as an investment holding company. The company was founded on May 12, 2020 and is headquartered in Manchester, the United Kingdom.

Electric Miles Ltd. is a British company that provides EV smart charging solutions and software for energy management. The company's services include regulatory compliance and "time of use" optimization to avoid peak tariffs for drivers and the grid. It was founded by Arun Anand and Kevin Simmons, with Arun Anand serving as CEO since incorporation.

Part of Calvin Capital Ltd., Meter Fit (North West) Ltd. provides business support services. The private company is based in Manchester, UK. Founded in 2002.

Part of Calvin Capital Ltd., Meter Fit (North East) Ltd. provides business support services. The private company is based in Manchester, UK. Founded in 2002.

Part of Calvin Capital Ltd., Meter Fit 3 Ltd. provides business support services. The private company is based in Manchester, UK.