David Sigsworth

SeaEnergy Plc operates as an energy service company. Its services include visual asset, subsea asset, and risk management; engineering support services; contingency planning and incident investigation; decommissioning support; and communication and stakeholder engagement. The company was founded by Stephen E. Remp on August 5, 1977 and is headquartered in Westhill, the United Kingdom.

Sigma Capital Group Plc operates as a holding company. The firm engages in the provision of property asset management to residential and commercial properties. It operates through the following segments: Regeneration, Managed Property, Owned PRS Property, Venture Capital and Holding Company. The company was founded by Graham Fleming Barnet and Neil David Crabb in December 1996 and is headquartered in Edinburgh, the United Kingdom.

Part of Berkshire Hathaway, Inc., Yorkshire Electricity Group Plc provides electric service. The private company is based in Newcastle-upon-Tyne, UK. Founded in 1989.

Solar Century Holdings Ltd. engages in the development, building, and running of solar farms. It offers commercial rooftops, solar farms, and residential programmers. The company was founded by Jeremy Kendal Leggett in 1998 and is headquartered in London, the United Kingdom.

Sigma Sustainable Energy Fund II LP seeks investment opportunities in technology based companies located in the UK and Europe. The fund targets companies operating in the fields of clean energy and energy efficiency. It provides financing in the form of equity and debt for early and later stage capital requirements with a minimum investment of £0.5 million.

Flexitricity Ltd. engages in the development of advanced technologies to balance power consumption. It offers frequency response, balancing mechanism, energy supply and wholesale market trading, STOR, capacity market, triad management, and DNO services. The company was founded by Alastair John Martin in 2004 and is headquartered in Edinburgh, the United Kingdom.