Fast track to net-zero
We're empowering businesses to set meaningful net-zero targets, providing the products and tools needed to report zero carbon emissions.
Start your net-zero journeyThe Government’s Energy Relief Schemes - Customer and Partner Updates
SmartestEnergy
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Commercial and Industrial
Commercial and Industrial
Commercial and Industrial
Commercial and Industrial (C&I) businesses and energy consultants can explore our wide range of fixed and flexible contract structures here, with certified 100% renewable electricity available across all our products.
Commercial and Industrial
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Business
Business
Business
SmartestEnergy Business offer a range of competitive electricity and gas products to suit any small-medium UK business. Find out how we can help your business reduce your energy costs and protect you against market price uncertainty.
Business
SmartFix Renewable Product Guide
Learn more about taking the smartest journey to renewable energy, download our SmartFix renewable product guide.
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Generators
Generators
Generators
We offer independent generators a competitive route to market with our various Power Purchase Agreements (PPAs) suitable for renewable and flexible assets. Take advantage of our trading expertise spanning 20 years and find out how we can help you maximise your assets’ potential.
Generators
SmartFlex trading portal
Track the market, react to price spikes and trade at the click of a button with SmartFlex, available with our Flexible PPA product.
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About Us
About Us
About Us
SmartestEnergy is a next generation energy company, driving a smarter transition to net-zero globally. See how our unique business model sets us apart from our competitors and why the support from our parent company, Marubeni Corporation makes us a stable, well-resourced partner.
About Us
Celebrating 20 years of SmartestEnergy
Having been established in 2001, SmartestEnergy celebrates 20 years of shaping the global energy landscape this year and reaffirms our commitment to driving a smarter transition to net-zero globally.
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Info Hub
Info Hub
Info Hub
All our published content is available within the info Hub, providing everything from the latest industry news to key company updates and insights from our in-house experts. Inform your energy strategy with these resources.
Info Hub
SmartestEnergy Talks!
Tune into our monthly podcast to hear from our in-house energy experts and special guest speakers for the latest views on topical industry news and market updates.
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Customer Service
Customer Service
Customer Service
Here you will find information relating to billing and payments; guidance on how to advise us about a change of tenancy or new meter connection and how to contact our customer service teams for Industrial and Commercial, Business and Smart Generation.
Customer Service
Access our online customer tools
Our customer login page provides a dedicated area for customers to access all online tools centrally and easily manage their energy contracts day-to-day
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Contact us
Contact us
Contact us
Here you will find the contact details for SmartestEnergy Limited and SmartestEnergy Business, as well as our office locations. Reach our sales and customer services teams via phone or email or submit a general enquiry using our online form.
Contact us
Join our team and power a revolution
Discover what it’s like to work for a next generation energy company. Search our current job vacancies and apply to be part of the SmartestEnergy team
Explore career opportunities 
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