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    Compare Energy Suppliers

    Independent PowerGuardian scores for relevant suppliers.

    Octopus Energy

    86/100

    Octopus continues to lead the UK market on customer service and complaint handling, backed by genuinely competitive smart tariffs and strong financial backing. The clear front-runner on our intelligence dashboard.

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    So Energy

    78/100

    Backed by ESB, So Energy combines competitive fixed tariffs with consistently strong service scores. A clear riser on the dashboard this month.

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    British Gas

    55/100

    The UK's largest supplier remains financially rock-solid but service and complaint metrics continue to lag the market, with smart-meter billing delays a recurring theme.

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    Best Value Energy Suppliers Report 2026

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