Meet the team

SESCO’s management team is passionate about reducing energy costs and carbon emissions across the UK. It offers a combined experience of over 30 years in the energy sector, and has been instrumental in funding over 150mw of renewable energy installations.


David Collett

David Collett

Chairman | CEO

David graduated from the University of London. His experience spans the automotive, healthcare, financial, carbon reduction and renewable energy sectors, in markets as diverse as Europe, Middle East and North Africa. He is also a specialist in M & A and consolidation. From 2001 to 2006 David was Executive Deputy Chairman of Thinc Destini. He also launched Destini Financial Services, into which he consolidated over twenty five financial services firms, creating a national organisation which achieved over £45 million pounds turnover. The company was acquired by AXA for £100 million in 2006. Following this, David became CEO of Green CO2 PLC, which offered carbon reduction consultancy and energy management services. The company changed its name to Green Compliance PLC in 2009 and has a current turnover of £20 million.

Paul Hooper

Richard Lindley

Financial Director

Richard is a financial professional with extensive international business experience, both from an organic and acquisitive point of view. He has been actively involved in a number of renewables initiatives involving solar energy generation, energy and emissions reduction, waste recycling and rain forest protection. He also helped to develop a programme to link fund raising through sponsorship for environmental and community projects based in Brazil.

Grant Ashington

Grant Ashington

Director of Sales

Grant is a Fine Art and Marketing Management graduate. His career has focused on corporate business development and includes roles at director level in South Africa and the UK. In the UK Grant has held sales management positions in large corporations and SMEs, including Office Depot plc, Banner Business Services plc, BskyB plc and Campbell & Kennedy. Over the past 4 years, he has gained considerable experience in the renewable energy space across a wide range of technologies, including contractor & supplier vetting and selection, documentation management, feasibility studies, funding, procurement, implementation and project delivery.