SmartestEnergy Business Reviews, Prices & Tariffs

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Is SmartestEnergy Business A Good Supplier? 


SmartestEnergy has a Trustpilot score of 4.1 out of 5, considered a great score. As a dedicated business energy supplier, SmartestEnergy is known for great customer service and competitive prices. Many small businesses choose this supplier because they are often one of the cheapest on our panel. 

This guide will help you understand if SmartestEnergy is your right supplier.

 

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Who Are SmartestEnergy Business? 

SmartestEnergy Business have disrupted the energy market and aim to support the diverse business community with great products, prices and working towards a greener and more sustainable future. 

SmartestEnergy has delivered energy products to the business community for over 20 years. They are a dedicated business energy supplier bringing 100% renewable energy with the vision of driving positive change.


SmartestEnergy prides itself on helping businesses on their carbon natural journey. This strategy is driven forward by the leadership team, headed up by CEO Robert Groves.


They rebranded in early 2023 to better represent their brand missions focusing on green energy. SmartestEnergy also offers competitive pricing through its tender offers for business energy procurement.

 

SmartestEnergy Business 

SmartestEnergy has been in the market for many years now. Whilst offering great tariffs to UK small businesses; they also help larger consumption companies. They are known for fast and efficient smart metering options and their commitment to renewable energy. 

 

SmartestEnergy Business Prices in March 2025

 

Tariff Length Electricity Unit Rate (p/kWh) Gas Unit Rate (p/kWh) Compare live tariffs
1-Year 25.9p 7.2p See Live Prices
2-Year 26.2p 6.7p See Live Prices
3-Year 26.4p 6.7p See Live Prices
All Terms (Average) 26.7p 6.8p See Live Prices


These prices are based on internal data for March 2025 banded by the typical customer consumption we see. For this example, we assume that each business uses 25,000 kWh annually.

 

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SmartestEnergy Business Tariffs 

Smartest Energy offers multiple products and businesses typically can find a tariff that meets their requirements. 

SmartestEnergy Business Fixed Rate Tariffs 

SmartestEnergy offers a fixed-rate tariff called ‘Smart Fix’ available from 1 to 5-year terms. They offer various payment options and 100% renewable tariffs are available. The price cap set each quarter by Ofgem does not apply to business energy tariffs. The Smart Fix product is available for both gas and electricity

SmartestEnergy offers a unique product called ‘Smart Tracker’. This tariff is fixed for 12 months and is reviewed annually against market rates. This is a great option for businesses that want to take a little risk but would not want a variable-rate tariff. 

 

SmartestEnergy Business Pre-Payment Tariffs 

SmartestEnergy offers a product aimed towards hospitality businesses or other companies with unpredictable cash flow. This allows businesses to top up their energy account via Smart Web online at a fixed rate for up to 3 years. This is typically up to 40% cheaper than competitor’s variable rate tariffs. 



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Why Switch To SmartestEnergy Business? 

 

SmartestEnergy Business has helped businesses gain control of their overheads during market uncertainty without sacrificing their green goals. As a trusted source for businesses all over the UK, they provide great value. Here are some reasons to consider switching: 

 

  • Variety of products, including 100% renewable 
  • Rated 'Excellent' on Trustpilot 
  • 24/7 online account management via Smart Web 
  • Unique business energy products 
  • Smart metering options 
  • Variety of payment methods 
  • Competitive standing charges 
  • Dedicated business energy supplier

SmartestEnergy Business FAQs

  • What Is SmartestEnergy Businesses Fuel Mix?

    SmartestEnergy has a variety of fuel mixes for each available product. Here is their overall fuel mix for all products: 

     

    • - Wind - 37.25%
    • - Natural Gas - 21.33%
    • - Solar PV - 18.23%
    • - Hydro - 6.56%
    • - Renewable Sources - 3.54%
    • - Thermal - 3.38%
    • - Biomass - 3.30%
    • - Waste - 2.10%
    • - Coal - 2.03%
    • - Other non-renewables - 1.63%
    • - Nuclear - 0.49%
    • - Anaerobic digestion - 0.16%
  • SmartestEnergy Trustpilot Reviews

    SmartestEnergy scores 4 stars out of 5 on Trustpilot based on over 2,000 customer reviews.

  • How To Contact SmartestEnergy?

    You can make a lot of basic changes to your account via their account management portal. However, if you’re looking to contact them directly; there are a few ways you can get in touch: 

     

    • - SmartestEnergy Business Customer Service: +44 1903 703 400

     

    • - Large Consumption Customer Services: +44 1473 234151

     

     

     

    Business address: 

    The Columbus Building,

    7 Westferry Circus, 

    London, 

    E14 4HD