Sustainable Energy First

Sustainable Energy First is the UK’s largest privately owned energy and sustainability consultancy, specialising in energy procurement, carbon reduction, and strategic net-zero support. The company helps businesses reduce environmental impact, manage energy consumption, and achieve climate goals through tailored strategies, innovative technology, and expert guidance.

With over 450 sustainability changemakers, it serves some of the UK’s most prominent organisations across retail, hospitality, finance, and the public sector. Its services include revenue recovery, compliance, site infrastructure, and clean energy procurement—delivering measurable savings and carbon reductions. Certified as a B Corp and recognised with Investors in People Gold, Sustainable Energy First is driven by bold, responsible, imaginative, and collaborative values. The company is committed to empowering clients and communities to make a positive difference for the planet, with a mission to decarbonise 327,170 tonnes of CO₂e by 2028.