Churners.org.uk: Informational site offering news, statistics, and listings of price comparison sites.
Energylinx: Home electricity and gas price comparison service.
EnergyOn.co.uk: Provider of gas and electricity price comparisons, including details of providers' vouchers and special offers.
Energywatch: Internet Domestic Price Comparison Services: The energy watchdog's list of approved price comparison sites.
MoneyExpert Gas and Electricity: Dual fuel, gas and electricity comparison service.
Saveonyourbills Ltd: Offers comparisons on telephone, electricity and gas for consumers and business customers.
SwitchandGive: Gas and electricity comparison service that donates a portion of commission to charity.
The Energy Shop: Comparisons of gas, electricity and dual fuel utility providers.
UK Power Ltd: Information on electricity, gas and alternative power suppliers in the UK.
uSwitch.com: Provides comparisons of gas and electricity suppliers, digital TV providers, home telephone providers, broadband internet and mobile phone packages.