About Us | SmartestEnergy

Explore our Sustainability Update Report 2025 which highlights our strategic achievements and outlines the focus areas that will guide our actions moving forward.

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Low energy mode

    A global community of energy champions

    Since 2000, we’ve been empowering the UK’s transition to net zero by helping business consumers, generators and partners to better understand net zero and how to get there. We’re backed by Marubeni Corporation, so you’ll benefit from our reliability, sound financial stability and insightful on-the-ground knowledge as you take the next step on your net zero journey.

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    Our business areas

    11 TWh Annual volume of our C&I portfolio Buying energy
    3.2 GW Our customers’ renewable generation capacity Selling energy
    58+ million Certificates / allowances traded by our trading division Trading and origination

    We are committed to playing our part in the transition to a net zero future and are excited to continue our journey, championing greener, smarter energy for generations.