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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.
Read our story
Our business areas
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.
Introducing the Marubeni Corporation
We’re proud to be a wholly owned subsidiary of Marubeni, a Fortune Global 500 company founded in 1858. Marubeni has over 50,000 employees in 68 countries, holds an “AAA” rating from the MSCI Japan ESG Select Leaders Index and has investment-grade ratings of BBB+ and Baa1 from S&P and Moodys.
With Marubeni’s backing, we’re a secure partner for the long term.
Large business
If you're a generator or a commercial and industial (C&I) business, you're in the right place.
Am I a large business?
- 300,000 kWh+ annual volume
- £50k+ annual spend
Existing large business customer?
Small business
If you're a micro or smaller business you should visit our SmartestEnergy Business website.
Am I a small business?
- < 300,000 kWh annual volume
- < £50k annual spend
Existing small business customer?