Sustainable Energy First is an energy and sustainability consultancy founded in 1997, specialising in solving energy management challenges for large, complex commercial estates. This remains the core of the business, driven by a long-standing commitment to sustainability and the reduction of clients’ carbon footprints.

The company supports organisations in delivering measurable environmental, social and governance (ESG) impact, helping them achieve sustainable outcomes and science-based targets. Sustainable Energy First works with some of the UK’s largest supermarkets, service providers, high-street brands and public sector bodies, enabling them to buy and use energy more effectively. Its services help clients significantly reduce emissions, improve efficiency and recover refunds on utility expenditure.

A key area of expertise is energy procurement, where Sustainable Energy First works closely with clients to secure energy contracts tailored to their operational needs. Each solution is aligned with sustainability objectives, growth plans, risk management strategies and budget requirements.


Recognised for its values-driven culture, Sustainable Energy First was ranked 10th in The Sunday Times Best Small Companies to Work For in 2020, with 83% of employees reporting pride in the company’s environmental record.