Ofgem is the Office of Gas and Electricity Markets. They are a non-ministerial government department and an independent National Regulatory Authority, recognised by EU Directives. Their principal objective is to protect the interests of existing and future electricity and gas consumers.

The Utilities Intermediaries Association (UIA) is a Trade Association for those Third Party Intermediaries (Tpis) facilitating energy purchasing contracts between supplier and consumer.

The Energy Ombudsman is a service set up to sort out disagreements between gas and electricity companies (energy companies) and their domestic and small business customers.

The Carbon Trust provide specialist support to business and the public sector to help cut carbon emissions, save energy and commercialise low carbon technologies.

The Energy Saving Trust is a non-profit organisation that provides free and impartial advice on how to stop wasting energy.