Choosing your business energy supplier is nothing like switching the gas and electricity for your home. Unlike home energy, a price cap isn’t there to protect you, contracts tend to run for years rather than months, and the best supplier for a five-person office is entirely different from one for a multi-site restaurant chain.
This is why so many business owners in the UK will shop around for the best energy supplier to ensure they get it right before anything is signed.
When done correctly, it can save you thousands of pounds each year and, more importantly, prevent renewal shock. If you fail to get this right, it can mean lengthy and costly commitments to inflexible contracts.
In this guide, we have compared the best UK business energy suppliers of 2026, comparing pricing, features and reviews side by side for each supplier, and then we explain exactly how to choose the right energy supplier for your needs.
Key Takeaways
There is no single best business energy supplier in the UK; the right choice depends on your usage, contract length, meter type and sustainability goals.
Business energy isn’t protected by the domestic price cap, so comparing suppliers matters more than ever.
Octopus Energy, Business Gas, EDF, and E.ON Next are strong all-rounders for most small and medium UK businesses.
Good Energy and Ecotricity are suitable options if 100% renewable electricity is a priority.
Always compare unit rates and standing charges together, not just the headline price per kWh.
Compare business energy suppliers with ComparedBusiness UK three to six months before your contract ends, as it will help you avoid expensive deemed rates.
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Best Business Energy Suppliers UK: A Quick Overview
We shortlisted suppliers based on availability to UK businesses, contract options, renewable electricity choices, business support, customer reviews and the range of business sizes served. Prices are not ranked because business energy quotes vary by usage, location, meter type and contract.
Here is a quick overview of the top 10 business energy suppliers:
| Supplier | Best For | Fuel Types | Contract Style | Renewable Option |
|---|---|---|---|---|
|
Octopus Energy |
Tech-led, sustainability-focused businesses |
Electricity and Gas |
Fixed, quote-led |
Yes |
|
British Gas |
Brand familiarity, broad coverage |
Electricity and Gas |
Fixed and variable |
Available on request |
|
EDF Energy |
Fixed-term contract buyers |
Electricity and Gas |
1 to 3 year fixed |
Zero-carbon option |
|
E.ON Next |
Simple, familiar green supply |
Electricity and Gas |
Fixed, quote-led |
Yes |
|
SSE Energy Solutions |
Larger, complex or multi-site users |
Electricity and Gas |
Tailored contracts |
Yes |
|
Crown Gas & Power |
Gas-heavy premises |
Electricity and Gas |
Commercial supply |
Limited |
|
Scottish Power |
Established national supply |
Electricity and Gas |
Fixed and variable |
Yes |
|
TotalEnergies |
Businesses wanting energy services |
Electricity and Gas |
Tailored contracts |
Yes |
|
Good Energy |
Green-first SMEs |
Electricity and Gas |
Fixed supply |
100% renewable |
|
Ecotricity |
Sustainability-first buyers |
Electricity and Gas |
Fixed supply |
100% renewable |
Business Energy Suppliers Detailed Overview
Here is a closer, more detailed overview of each supplier, including how they price contracts, what features they offer, their renewable energy credentials and how customers rate them:
1. Octopus Energy
The fastest-growing and most visible renewable business energy supplier in the UK, aiming to create a competitive price point with an industry-first tech-led customer experience.
- Pricing: Offers transparent, quote-led pricing with fixed-rate contracts.
- Features: The Agile Octopus tariff, for example, provides cheaper rates at off-peak hours; the account platform integrates easily with smart meters and multi-site portfolios.
- Green Energy: All electricity supplied is sourced from renewable sources, such as wind and solar, making it one of the greenest offers among mainstream suppliers.
- Reviews: 4.8 out of 5 on Trustpilot, as of July 2026, with customers often praising response times and multiple support channels.
2. British Gas
British Gas is probably the most recognisable energy brand in Britain, offering business electricity and gas contracts alongside its long-standing domestic supply business.
- Pricing: Fixed-rate contracts generally span one to three years, with cost depending on business size and consumption in addition to month-to-month direct debit discounts.
- Features: Smart meter installations, energy-saving tips and renewable tariff options for businesses that procure more than 150,000 kWh per year of either electricity or gas.
- Green Energy: British Gas offers renewable tariffs for larger energy users, part of the business’s broader pledge to support the transition to greener energy.
- Reviews: Trustpilot ratings for the business energy are around 4.4 out of 5 as of July 2026, with excellent scores for dedicated business support.
3. EDF Energy
One of the largest suppliers in the UK, EDF Energy supplies businesses of all sizes with fixed-term contracts spanning from small offices to large commercial sites across industries.
- Pricing: Fixed rates are available across one- to three-year contracts, with a standard electricity option and a slightly higher-priced zero-carbon alternative.
- Features: It offers energy-efficiency services to help businesses reduce consumption, along with transparent billing and dedicated account support.
- Green Energy: 100% renewable electricity tariffs are available for selected fixed business tariffs, and many larger business customers have zero-carbon contracts as default.
- Reviews: EDF will have an average rating on Trustpilot of around 4.8/5, as of July 2026, with benefits including transparent bills and helpful account support.
4. E.ON Next
E.ON Next is a good fit for businesses that want an established supplier with straightforward renewable electricity choices.
- Pricing: Bespoke, quote-led fixed-rate tariffs are generally at market rates based on the requirements of each business.
- Features: Businesses gain access to 100% renewable electricity as standard in their business tariffs, along with broader sustainability programmes.
- Green Energy: E.ON was one of the first suppliers to switch all its electricity over to 100% renewable sources and is still a well-known provider in this field.
- Reviews: E.ON Next has a Trustpilot rating of around 3.9/5, as of July 2026, with client praise for robust account support.
5. SSE Energy Solutions
SSE Energy Solutions is designed for larger organisations and more complex energy needs, rather than for the smallest single-site businesses.
- Pricing: Fixed-price and flexible contracts are available, with pricing generally in the mid-range of the market.
- Features: Strong renewable generation capabilities across the UK and Ireland, in addition to smart meters and energy-saving tools.
- Green Energy: SSE offers the option of 100% renewable electricity, which makes it a decent, environmentally sound choice for larger companies.
- Reviews: Customer reviews vary widely, with a Trustpilot rating of 2.1/5, as of July 2026, so you should weigh them against SSE’s strength in tailoring large-business contracts.
6. Crown Gas & Power
Crown Gas & Power has been supplying UK business energy for over 20 years; they are particularly suited to businesses where gas is the larger cost driver.
- Pricing: Business-size contracts, competitive gas pricing and a track record of providing specialist lower-cost gas contract quotes for SMEs.
- Features: Provides a Manchester-based support team, flexible contracts and metering services designed to ease the day-to-day management of accounts.
- Green Energy: Mainly gas focused, but offers certain renewable fuel options to those businesses seeking greener supply.
- Reviews: Crown Gas & Power has an excellent score of around 4.9 out of 5, as of July 2026, on Trustpilot from more than 200 reviews, with customer service highlighted as a positive aspect.
7. Scottish Power
Scottish Power is one of the UK’s largest national suppliers, offering business electricity and gas alongside a strong renewable generation background.
- Pricing: Fixed and variable contracts are offered, but the rates can be on the higher side compared to a few specialist suppliers.
- Features: Green energy is offered by fixed-term contracts, supported by the company’s UK wind farm generation.
- Green Energy: A genuine leader in renewable generation, with green tariffs that suit businesses wanting supply linked to UK wind power.
- Reviews: Trustpilot ratings for the business currently stand at 4.4 out of 5, as of July 2026, with customers praising its smooth transition process and customer service.
8. TotalEnergies
TotalEnergies works well for businesses that want more than just basic supply, with a focus on carbon reduction and a far wider role in energy management support.
- Pricing: Mid-range tariffs with a focus on greener options and competitive rates for businesses trying to reduce carbon emissions.
- Features: Custom energy management services, such as energy audits, actively support businesses in reducing consumption.
- Green Energy: All tariffs are 100% renewable-backed, positioning TotalEnergies as a reliable provider for sustainability-led businesses.
- Reviews: It has a Trustpilot rating of 4.8/5, as of July 2026; business customers generally regard it highly, especially for its sustainability-focused account support.
9. Good Energy
Good Energy is a long-time leader in green business energy, built for businesses who want their supply to reflect their sustainability goals.
- Pricing: Pricing is at the higher end of the market, reflecting the cost of guaranteeing 100% renewable electricity.
- Features: 100% wind- and solar-powered electricity, carbon-neutral gas, plus backing community energy initiatives.
- Green Energy: There isn’t a selection to make here, so if you work with Good Energy, you’re getting 100% renewable electricity and carbon-neutral gas.
- Reviews: Good Energy scores about 4.8 out of 5 on Trustpilot, as of July 2026, and customers generally commend its transparent, ethical approach to billing.
10. Ecotricity
Ecotricity was one of the UK’s first green energy suppliers and is still a strong choice for businesses wanting their energy story to fit with their brand values.
- Pricing: Prices are typically higher than those of mainstream suppliers, as Ecotricity has always focused on renewable generation.
- Features: 100% green electricity and carbon-neutral gas, partly produced in the company’s own wind and solar parks.
- Green Energy: One of the very first renewable suppliers in the UK, with electricity and gas both fully backed by renewable and carbon-neutral sources.
- Reviews: Ecotricity currently sits at around 4.2 out of 5 on Trustpilot as of July 2026, with reviewers praising its transparency and environmental principles.
Best Business Energy Suppliers By Business Type
The nature of your business mostly determines how to choose an energy supplier. Here is how to narrow the shortlist by business type:The nature of your business mostly determines how to choose an energy supplier. Here is how to narrow the shortlist by business type:
Small Businesses and Start-Ups
If you run a smaller office, shop or start-up that can forecast usage relatively easily and on the lower side, look for transparent billing with minimal standing charges.
So, it is worth comparing Octopus Energy, British Gas, E.ON Next and Crown Gas & Power.
Multi-Site Businesses
Consolidated billing and centralised account management are essential for franchises, chains, and businesses that operate from multiple premises.
Business energy suppliers that are ideal for multi-site businesses include SSE Energy Solutions, TotalEnergies and British Gas.
Hospitality, Food and Gas-Heavy Sites
Restaurants, cafes, bakeries and similar gas-reliant businesses should pay close attention to gas pricing specifically, not just electricity. So, Crown Gas & Power and EDF Energy are worth shortlisting.
Larger or High-Usage Businesses
Suppliers offering bespoke, tailored contracts for businesses with half-hourly meters or higher consumption would be more suitable. So, SSE Energy Solutions and TotalEnergies are the best suppliers in this area.
Business Energy Prices In 2026: A Quick Overview
Business energy prices change regularly and depend on your usage profile, region, and meter type. The table below gives a quick overview of business energy rates in August 2026:
| Business Size | Typical Electricity Rate | Typical Standing Charge | Typical Gas Rate |
|---|---|---|---|
|
Micro Businesses |
27.8p per kWh |
54.9p per day |
7.9p per kWh |
|
Small Businesses |
26.7p per kWh |
62.3p per day |
7.6p per kWh |
|
Medium-Sized Businesses |
27.2p per kWh |
102.1p per day |
8.2p per kWh |
|
Large Businesses |
26.9p per kWh |
148.0p per day |
7.6p per kWh |
Note: Business energy is not covered by the domestic price cap, so rates and standing charges vary far more between suppliers than they do household tariffs.
Business Energy Suppliers Vs Domestic Energy Supplier: Quick Comparison
It’s a common misconception that business and domestic energy work the same way. Here is how they differ:
| Factor | Business Energy | Domestic Energy |
|---|---|---|
|
Price Cap Protection |
None |
Covered by the Ofgem price cap |
|
Typical Contract Length |
1 to 5 years, fixed |
No fixed term required |
|
Pricing |
Bespoke, quote-led |
Published tariffs |
|
Switching Process |
Complex: depends on contract terms |
Simple |
|
Regulatory Protection |
Fewer protections, though improving for microbusinesses |
Strong consumer protection |
How To Choose The Best Business Energy Supplier?
Having so many suppliers to choose from can be overwhelming; use this checklist to narrow down the best business energy supplier in the UK for your specific business.
- Compare unit rates and standing charges together, using the same estimated annual usage across quotes.
- Be sure to check contract length, renewal windows, and any auto-rollover clauses before you sign.
- Make sure you know what type of meter you have (standard, smart, or half-hourly), as the type affects the overall quote.
- Review customer service ratings on Trustpilot or other review sites, especially when signing a lengthy contract.
- If sustainability matters, check how a supplier backs up its green claims and whether it has REGO certificates for renewable electricity.
- To avoid expensive deemed or out-of-contract rates, start comparing providers three to six months before your current contract ends.
Find The Top Business Energy Supplier With ComparedBusiness UK
Every business is different, and the best business energy supplier for your office might not be the right fit for a restaurant.
ComparedBusiness UK lets you compare quotes side by side from trusted suppliers across the UK, enabling real pricing based on your business size, sector, or usage, without having to approach each supplier individually.
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FAQs
Not usually. But since business energy isn’t protected by the domestic price cap, and contracts tend to run longer, total costs can be higher over time if you don’t compare regularly.
Switching typically takes around one to six weeks depending on the supplier and meter type, though the switch itself won’t begin until your current contract ends.
Yes, most commercial suppliers offer contracts specifically designed for small businesses and microbusinesses, often with added protections around renewals and rollover terms.
The unit rate is the charge for every kWh of gas or electricity you use. The standing charge is a daily flat rate fee, irrespective of usage, and matters particularly to businesses that have lower overall consumption.
Ideally, three to six months before your current contract ends. This gives you time to secure a new fixed deal before rolling onto a more expensive deemed or out-of-contract rate.
