Business Energy Suppliers: Compare Electricity and Gas Providers

Compare the UK’s leading providers of gas and electricity and switch to a supplier that is right for your business.

Switching energy suppliers can save you hundreds (or even thousands) on your business’ energy bills.

Make sure you switch energy suppliers before your contract end date – failure to do so can mean that you’ll be placed onto an expensive rollover contract.



Although it’s something that many business owners avoid, switching energy suppliers is so important if you want to cut costs and save money. Staying with your current energy supplier and not reviewing what other deals are available often means that you’re unnecessarily overpaying on your gas and electricity. Businesses can save as much as 40% on their energy bills by moving to a different supplier, so it really does pay to switch!

40% of SMEs in the UK haven't switched energy suppliers in the past 5 years*

*According to a report by Ofgem.

But with so many energy suppliers to choose from, you might be wondering where to start. Well, you’re not alone. According to a report by the Competition and Markets Authority (CMA), 1 in 3 UK businesses don’t know where to look for information about switching energy suppliers. This is where we can help. This guide provides you with expert advice on the best business energy suppliers in the UK and how to go about switching, so that you can get a great deal on your business energy.

In This Guide to Business Energy Suppliers

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Business Energy Suppliers Comparison

In recent years there has been an explosion in the number of energy suppliers in the UK, with more than 50 companies delivering gas and electricity to business premises. We know that you’re probably not thrilled at the prospect of having to compare such a large number of suppliers however, so we’ve made this job easier for you. By reviewing them ourselves on factors that we think matter to customers - including tariff options and customer service - we’ve brought you a rundown of the energy suppliers that we believe offer the most value to businesses.

business energy suppliers

Big Six Energy Suppliers

Chances are you’ve probably heard of the ‘Big Six’ energy suppliers - British Gas, EDF Energy, E.ON, npower, Scottish Power and SSE. For many years these suppliers have dominated the UK energy market, providing gas and electricity to over 45 million customers.

Supplier

Trustpilot Score

Which? Score

Our Score

British Gas
3.5
52%
EDF Energy
2.1
55%
E.ON
0.8
55%
npower
0.6
45%
Scottish Power
0.6
52%
SSE
1.4
54%

*Trustpilot and Which? scores correct at time of writing, March 2018.



British Gas

Supplier Score:

Business Size

Electricity or Gas

Tariff Options

Tariff Length

Small, Medium, Large, Multi-site
Both
Fixed, Flexible
1 to 5 years


With more than a 200-year history, British Gas is the largest business energy supplier in the UK, delivering gas and electricity to over 400,000 small, medium and large businesses.

Key benefits for your business:

  • • Online account management and via an app
  • • Discounts for multi-site businesses
  • • Free advice on how to improve energy efficiency
  • • Dedicated account managers



EDF Energy

Supplier Score:

Business Size

Electricity or Gas

Tariff Options

Tariff Length

Small, Medium, Large, Multi-site
Both
Fixed, Flexible
1 to 5 years


EDF Energy supplies gas and electricity to more than 5 million domestic and business customers. It is the biggest producer of low-carbon electricity in the UK, although the majority of this comes from nuclear power rather than renewable sources.

Key benefits for your business:

  • • Multiple payment options (e.g. cash, cheques)
  • • 7% discount on bills paid using direct debit
  • • Manage your business energy account online
  • • Access to 24/7 customer support on website



E.ON

Supplier Score:

Business Size

Electricity or Gas

Tariff Options

Tariff Length

Small, Medium, Large, Multi-site
Both
Fixed, Flexible
1 to 5 years


German-owned company E.ON are committed to “creating a better tomorrow for everyone”. It operates in more than 30 countries worldwide, and currently provides over 5 million domestic and business customers across the UK with gas and electricity.

Key benefits for your business:

  • • Savings of 2 to 4% if you pay bills via direct debit
  • • Manage your energy account online
  • • Free advice on how to improve energy efficiency
  • • Award-winning customer service



npower

Supplier Score:

Business Size

Electricity or Gas

Tariff Options

Tariff Length

Small, Medium, Large, Multi-site
Both
Fixed, Flexible
1 to 5 years


npower is part of the Innogy Group, one of Europe’s leading electricity and gas companies. It owns a large number of power stations across the Midlands and northern England, and serves over 5 million domestic and business customers.

Key benefits for your business:

  • • Savings of 5% if you pay bills via direct debit
  • • Change suppliers with just 30 days' notice
  • • Manage your energy account online
  • • Runs energy efficiency schemes



Scottish Power

Supplier Score:

Business Size

Electricity or Gas

Tariff Options

Tariff Length

Small, Medium, Large, Multi-site
Both
Fixed, Flexible
1 to 5 years


Established more than 50 years ago, Scottish Power is part of the Iberdrola Group, a global energy group and world leader in renewable wind energy. It supplies both gas and electricity to over 5 million domestic and business customers in the UK.

Key benefits for your business:

  • • Multiple payment options (e.g. direct debit)
  • • YourEnergy online account management
  • • Conducts energy audits in your business
  • • UK-based customer support team



SSE

Supplier Score:

Business Size

Electricity or Gas

Tariff Options

Tariff Length

Small, Medium, Large, Multi-site
Both
Fixed, Flexible
1 to 5 years


SSE is the second largest provider of electricity and natural gas across the UK, and works with 400,000 small, medium and large businesses.

Key benefits for your business:

  • • Free advice on how to improve energy efficiency
  • • Dedicated account managers
  • • Provides smart meters for accurate billing
  • • Award-winning customer service


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Smaller, Independent Energy Suppliers

Over the last few years there has been a huge rise in the number of smaller, independent companies entering the energy market. These companies have increased competition, providing business customers with more choice and better deals on their energy.

Supplier

Trustpilot Score

Which? Score

Our Score

Corona Energy
7.1
n/a
D-ENERGi
8.9
n/a
Gazprom Energy
5.7
n/a
Opus Energy
3.3
n/a
OVO Energy
8.8
72%
UGP
9.2
n/a

*Trustpilot and Which? scores correct at time of writing, March 2018.



Corona Energy

Supplier Score:

Business Size

Electricity or Gas

Tariff Options

Tariff Length

Small, Medium, Large, Multi-site
Both
Fixed, Flexible
1 to 5 years


Established in 1995, Corona Energy is a business-only gas and electricity supplier, with a portfolio of more than 12,000 business customers. It currently controls 14% of the business gas market in the UK.

Key benefits for your business:

  • • Online account management via myCorona
  • • Automated meter readings for accurate bills
  • • Wide range of payment options (e.g. cash)
  • • Delivers exceptional customer service



D-ENERGi

Supplier Score:

Business Size

Electricity or Gas

Tariff Options

Tariff Length

Small, Medium, Large, Multi-site
Both
Fixed
1 to 5 years


D-ENERGi is a “One Stop Energy Solution Provider” and is a leading independent business-only supplier of gas and electricity in the UK. Its clients range from small care homes to large manufacturing and retail sites.

Key benefits for your business:

  • • Award-winning energy supplier
  • • Aims to beat prices offered by the big six
  • • Dedicated account managers
  • • Delivers excellent customer service



Gazprom Energy

Supplier Score:

Business Size

Electricity or Gas

Tariff Options

Tariff Length

Small, Medium, Large, Multi-site
Both
Fixed, Flexible
1 to 5 years


Gazprom Energy is a UK subsidiary of the Russian gas giant Gazprom. It’s the UK’s leading business gas supplier, although it does also supply electricity to business customers. Gazprom Energy does not produce its own energy - it just sells it.

Key benefits for your business:

  • • Simple and accurate billing
  • • Offers smart meters and AMR devices
  • • Online energy management portal
  • • Offers a range of complimentary energy services



Opus Energy

Supplier Score:

Business Size

Electricity or Gas

Tariff Options

Tariff Length

Small, Medium, Large, Multi-site
Both
Fixed
1 to 3 years


Founded in 2002, Opus Energy supplies gas and electricity to businesses in the UK. It was the first independent energy supplier to break the dominance of the Big Six, becoming the sixth largest energy supplier in the business market in 2015.

Key benefits for your business:

  • • Largest independent business energy supplier
  • • Offers some of the most competitive prices
  • • Provides free smart meters
  • • My Opus Energy online account management



OVO Energy

Supplier Score:

Business Size

Electricity or Gas

Tariff Options

Tariff Length

Small, Medium, Large, Multi-site
Electricity
Fixed
1 to 2 years


Launched in just 2009, OVO Energy already boasts over 800,000 domestic and business customers. It currently only supplies electricity to businesses - not gas.

Key benefits for your business:

  • • Award-winning energy supplier
  • • Online account management
  • • Paperless monthly billing
  • • Call centre has a wait time of just 21 seconds



United Gas and Power (UGP)

Supplier Score:

Business Size

Electricity or Gas

Tariff Options

Tariff Length

Small, Medium, Large, Multi-site
Both
Fixed
1 to 3 years


Based in Leeds, UGP is a business-only gas and electricity supplier. In particular the company specializes in electricity, and is one of the largest business electricity providers in the UK.

Key benefits for your business:

  • • Selected tariffs come with no standing charge
  • • Discounts on dual fuel tariffs
  • • Offers free smart meters installation
  • • UK-based customer service team


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Renewable Energy Suppliers

Renewable energy suppliers are becoming increasingly popular among businesses looking to invest in green gas and electricity. Renewable energy is generated from sustainable sources such as the wind, sun, and biomethane, making it an eco-friendly form of power for your business premises.

Supplier

Trustpilot Score

Which? Score

Our Score

Bulb
9.8
72%
Ecotricity
7.3
71%
ENGIE
4.9
n/a
Hudson Energy
6.1
n/a
Octopus Energy
9.6
76%
Ørsted
3.7
n/a

*Trustpilot and Which? scores correct at time of writing, March 2018.



Bulb

Supplier Score:

Business Size

Electricity or Gas

Tariff Options

Tariff Length

Small, Medium, Large
Both
Flexible
No end date


Founded in 2015 by 2 friends, Bulb is one of the newest green energy suppliers in the UK. It offers 100% renewable electricity and 10% renewable gas to its business customers which it buys from renewable generators across the UK.

Key benefits for your business:

  • • Clear and simple pricing and tariffs
  • • Prices around 20% lower than the big six
  • • Manage your energy account online
  • • UK-based customer service team



Ecotricity

Supplier Score:

Business Size

Electricity or Gas

Tariff Options

Tariff Length

Small, Medium, Large
Both
Fixed
1 to 2 years


Ecotricity is one of the leading green business energy suppliers in the UK. It generates 35 to 40% of its electricity from its own windmills and buys the rest from other renewable electricity providers. Ecotricity also offers green gas, and is the only UK energy supplier with a frack-free promise.

Key benefits for your business:

  • • World’s first green electricity company
  • • Fair prices with no exit fees or penalties
  • • Dedicated account managers
  • • High level of customer service



ENGIE

Supplier Score:

Business Size

Electricity or Gas

Tariff Options

Tariff Length

Small, Medium, Large, Multi-site
Both
Fixed, Flexible
1 to 5 years


ENGIE supplies gas and electricity to over 14,000 businesses in the UK. While its gas is not green, ENGIE offers 100% renewable electricity which is generated from wind turbines and hydroelectric plants.

Key benefits for your business:

  • • Online account management and usage tracking
  • • Dedicated account managers
  • • Receive support through the ENGIE Partnership
  • • Fair and competitive pricing



Hudson Energy

Supplier Score:

Business Size

Electricity or Gas

Tariff Options

Tariff Length

Small, Medium, Large, Multi-site
Both
Fixed
1 to 3 years


Hudson Energy is a business-only supplier of gas and electricity. It is owned by Just Energy Group, an American company that specializes in renewable energy. It provides 100% renewable electricity generated from wind, solar and hydro solutions.

Key benefits for your business:

  • • Highly competitive pricing
  • • Clear billing, tariff and payment options
  • • Easy switching process
  • • Excellent customer care and aftersales service



Octopus Energy

Supplier Score:

Business Size

Electricity or Gas

Tariff Options

Tariff Length

Small, Medium, Large
Both
Fixed, Flexible
1 to 2 years


Octopus offers its business customers 100% renewable electricity and full carbon offsets for gas. It’s the largest investor in solar power in the UK, but has also invested in wind generation and anaerobic digestion plants.

Key benefits for your business:

  • • Award-winning energy supplier
  • • Prices 35% cheaper than other energy suppliers
  • • No locked-in contracts or exit fees
  • • High level of customer service



Ørsted

Supplier Score:

Business Size

Electricity or Gas

Tariff Options

Tariff Length

Small, Medium, Large, Multi-site
Both
Fixed, Flexible
1 to 5 years


Ørsted is one of the largest renewable business energy suppliers in the UK. It is the UK’s leading offshore wind electricity generator, providing 100% renewable electricity to its customers. Ørsted has also invested in bioenergy plants and waste-to-energy solutions.

Key benefits for your business:

  • • Free smart meters for accurate bills
  • • Dedicated account managers
  • • Buys the energy your business generates
  • • Award-winning customer service


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How to Decide Which Energy Supplier Is Right for Your Business

When deciding which energy supplier is right for your business, it’s important to consider your needs and what a supplier can offer you. This includes:

• How much energy does your business use? Does a supplier provide energy to a business of you size?

• Does a supplier offer the type of tariff you want? Is it a length that suits your business circumstances?

• What price has a supplier quoted you? Could you get a cheaper price elsewhere?

• Does a supplier provide useful additional services, such as online account management and energy meter installation?

• What’s a supplier’s reputation like? Does their customer service team have positive reviews or have they received a lot of complaints?

• If you're trying to reduce your company's carbon footprint and promote sustainability, does a supplier offer green tariffs or advice about how to improve your energy efficiency?

Always compare like-for-like quotes from as many suppliers as possible. This will ensure that you get a good deal on your energy and are not throwing away valuable money on a service that’s not quite right for your business. After all, you don’t want to get tied into the wrong contract when there are better options available.


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How to Switch Business Energy Suppliers

Switching business energy suppliers is much like switching domestic energy suppliers - it’s a quick and simple process, and won’t disrupt the supply of gas and/or electricity to your business premises.

Most contracts will not allow you to switch energy suppliers at any time, however. Instead, you’ll have to wait until you reach the ‘switching window’ - a period of time before your contract end date when you’re allowed to notify your current supplier that you’re moving to a new supplier. Leaving your current supplier before the switching window often means that you’ll be hit with expensive exit fees.

The switching window tends to be anywhere between 30 to 180 days before your contract end date. You can find out what your contract end date and switching window is by looking at your most recent energy bill. If you can’t find it, contact your energy supplier and they should give it to you.

Businesses can inform their current energy supplier that they’d like to switch up to 30 days before their contract is due to expire

Once you know your switching window and what supplier you want to move to, the next thing you need to do is to inform your current energy supplier of your intention to switch by sending a termination letter. In the termination letter, you will need to state:

• Your business name and address

• A statement of your plan to switch energy suppliers

• Your contract number and end date

• Your energy meter number

• A signature from the business owner

You’ll then need to sign your business up to your new energy supplier. Make sure you leave plenty of time when switching suppliers as the process can take up to 6 weeks if your business has particularly complex energy needs.

Be careful, however. Failure to terminate or renew your current energy contract within the switching window will mean you’ll be placed onto a rollover contract by your current energy supplier. A rollover contract is an automatic 12-month renewal of your contract and comes with prices that are up to 85% higher than normal - so it really pays to switch!


Can Your Energy Supplier Object to You Switching?

It’s very rare for an energy supplier to object to you switching to a new supplier. However, there are certain circumstances when this can happen. This includes:

• If your business owes outstanding debts to your energy supplier

• If you are bound by your contract to stay with your energy supplier

If your energy supplier does prevent you from switching, they are under licence obligations to tell you why you cannot switch and must inform you how the problem can be resolved.


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Switching Business Energy Suppliers: FAQs

Still want to find out more about the switching process? We’ve got you covered. Click on the questions you are interested in to find out the answer.

What information do you need to switch business energy suppliers?

When switching energy suppliers, you need to know the name of your current energy supplier, what type of tariff you’re on and your contract end date, as well as how much energy your business uses. This will ensure that you get the most accurate quotes that are tailored to your business.

Are you with your new energy supplier as soon as you confirm your switch?

No, you’ll still be signed up with your current energy supplier until they have agreed a switching day with your new energy supplier. When you reach the switching day, you’ll then officially be signed up with your new energy supplier. Your current energy supplier will notify you of the date of the switching day.

Will your business energy supply be disrupted by switching?

No, your energy supply will not be disrupted. Your new energy supplier will contact your current supplier, and between them they’ll arrange a switch over day. Even on the day when your energy supply is switched, there shouldn’t be any interruptions.

Will you be billed twice when switching suppliers?

No, you’ll not be billed twice. You’ll receive a final bill from your current energy supplier up to the date of your switching day. The first bill you’ll receive from your new energy supplier will be from the date of the switching day, so there'll be no crossover period.


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How to Compare Business Energy Quotes

Comparing quotes for your business energy needn’t be a difficult or lengthy task. By using our comparison service, we do all the hard work for you so that you can get on with running your business.

All you have to do is fill in this short form by answering some simple questions about your business and its energy needs. Our expert partners will then find you the best deals for your business from a range of different suppliers. You then simply have to choose which energy supplier you want to use, and our partners will take care of the switching process.

It really is that easy and it’s completely free of charge!

Before entering your details, please have your most recent energy bill to hand and know your contract end date. This will ensure that we can get you the most accurate energy quotes for your business.


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