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Business gas suppliers

See the 5 best UK business gas suppliers for small businesses, compare suppliers online and find your best business quote here today

Fuelling your business can be a costly process, so naturally you’re going to want to be as clued-up as possible before settling for a supplier.

There are lots of things to look out for in a reliable business gas supplier, cost being one – but not the only – important factor to come under consideration.

When making your decision, it’s important to shift yourself out of the domestic mindset. Your business isn’t fuelled like your home. From costs to supply, you’ll need to carefully consider where your gas is coming from and what it’s going to fuel.

Whether you’re looking to switch, or if this is your first step into the world of business gas providers, here are some important things you should know to make the most informed decision possible.

Read on for more information on what to expect and how to select business gas suppliers. Or, if you’re ready to compare providers right away, simply fill in the form at the top of the page to receive tailor-made quotes.

What’s on this page?

What to look for in a business gas supplier – the top five things to consider

What to think about when choosing your business gas supplier:

  1. Charges
    There are two charges that will make up the majority of your business gas bill, these are the unit cost and the standing charge.

    The unit cost: measured in kWh, this is what you’ll pay for the actual resource used. Usually a fixed rate, however, bills can vary depending on how much energy you use.

    The standing charge: as both gas and electricity are brought to UK homes and businesses via the National Grid, a maintenance and service charge must be paid. This comes in the form of the standing charge, and is a fixed price that covers the cost of getting your gas to your door.

    Despite the standing charge going towards the National Grid’s delivery of your energy, this is not a nationalised charge and will vary from supplier to supplier. So, when looking to save money on your energy bills, be sure to take both the unit cost and the standing charge into consideration.

  2. Your rate

    Fixed rate

    This will fix the price per unit of your gas. This means that your bill will not be affected by price hikes in the market. However, although your price per unit will remain the same, your bill will still vary depending on your energy usage, which month-on-month can be a variable factor.

    A fixed rate tariff is the most common option for businesses due to the protection it provides against energy price fluctuations in the market. Wholesale prices of commercial gas can be influenced by a variety of factors, including supply and demand, government levies/taxes and regulatory fees.

    Fixed rate tariffs are usually available on one, two or three year contract basis. As a general rule of thumb, the longer the contract, the higher the tariff.

    Associated with fluctuations in the wholesale market, this means that the cost per unit of energy used does not remain at a stable rate throughout your contract. Meaning that even if your energy use remains exactly the same, the price you pay can still vary month-on-month.

    Deemed rate/out-of-contract tariff –
    A rolling deal that puts you on an out-of-contract tariff. This basically means that you’ll be paying more than you should for energy as you won’t be protected by the stability that a contract affords you and your rates will still very much be determined by fluctuations in the wholesale market and the amount of energy you use.

    28-day –
    This is not a common contract and is reserved for businesses that haven’t switched to another contract form since the deregulation of the energy market way back in the 1980s.

    Rollover –
    Usually a last resort for the period between one contract ending and another beginning. The rates here are usually very high, however, a rolling contract is only ever intended as a short-term-fix. In short, be sure to know when your contract is due to end and agree a new deal before it does, to avoid paying over the odds for your basic energy needs.

  3. VAT
    The standard rate of gas VAT is 20%. Although, if your business uses less than
    4,397 kWh of gas energy per month (find this out on your latest bill), you run a charity or not-for-profit organisation, then your business could be eligible for a 15% VAT reduction on your bill. If you think this sounds like you, then ask for a VAT declaration form from your gas supplier.
  4. Ethos and green energy concerns
    Where your energy comes from is an important consideration, especially if your business claims to be environmentally sustainable. Gas is harder to produce sustainably than electricity, mainly because the research and development in the area is still fairly primitive.

    That being said, it is still more than possible to produce gas the greener way. This is achieved via a process called anaerobic digestion. It involves the natural breakdown of plants and other organic materials releases biogas which is then purified into biomethane.

  5. Service
    Lastly, customer service is vitally important when it comes to your energy provider. Do your research, take a look at reviews from other customers and see if the company you want to go with are known for their good customer support.

The five best UK-based business gas suppliers

Now you’re clear on the reasonable expectations you can place on your small business gas supplier, let’s take a look at the five best business electricity suppliers for start-up businesses.

Firstly, the following table details each supplier we list, along with the cost per kWh of gas, plus the daily standing charge for each supplier:

Supplier Unit cost (per kWh) Standing charge, per day
British Gas 6.41p 96.07p
Bulb 3.15p 27.4p
EDF Energy 5.9p 80p
E.on 4.9p 99p
Yü Energy 6.96p 76.34p

gas standing charge

gas unit cost

Now you’ve seen the costs involved, let’s have a look at each individual provider in a little more detail:

British gas

British Gas

Supplying to over 400,000 UK businesses, British Gas is the largest UK energy provider, and safety in numbers suggests that it’s very experienced in dealing with businesses of all shapes and sizes.

Supplier Rating: ★★★★★


  • Offers meter installation and smart meters
  • 36-month contracts available (guaranteed rate protected against price rises)
  • Great for multi-site businesses
  • Competitive rates


  • Minimum 12-month contract that is difficult to leave early
  • Poor Trustpilot rating (3.6/10)
  • Only 40% of its energy is generated renewably



Great customer service, combined with super low, yet super transparent rates, really prove Bulb’s mettle in terms of businesses gas suppliers. And, as the energy provider that ranks first on Trustpilot, its reviews speak volumes.

Supplier Rating: ★★★★★


  • No exit fees
  • No fixed contracts
  • 100% renewable electricity
  • Great for multi-site businesses
  • Best rated on Trustpilot (9.8/10)
  • One tariff for transparency
  • Very competitive rates


  • Bulb does not supply to sole traders, which is somewhat of a drawback


EDF Energy

Using a variety of sources EDF provides gas and electricity for around five million residential and business accounts, making it one of the UK’s largest energy suppliers. Again, safety in numbers would imply that EDF are a reliable and trusted energy provider.

Supplier Rating: ★★★


  • Offers direct debit discount
  • Considered better value than British Gas or Npower
  • Very good live-chat online facility
  • Solves 60% of complaints on the same day, or next working day


  • Can take a while to get through to customer services on the phone
  • Only three stars on TrustPilot



Formally known as Powergen, E.ON UK is one of the big six energy suppliers. It caters to all businesses, no matter the size, and has a range of gas tariffs to suit a variety of business needs.

E.ON UK also gives small businesses a boost in the right direction with online account management, as well as its new connections scheme. And, E.ON UK has your back for when you decide to scale-up by providing risk management strategies, making energy purchase on a massive scale much less daunting.

Supplier Rating: ★★★★


  • Market popularity means industry familiarity
  • You can choose to fix the price you pay for the wholesale cost of your gas for up to five years
  • Flexible approach that allows you to take market conditions into consideration, giving you time to consider your options
  • Now provides Renewable Energy Guarantees of Origin (REGO) backed supply


  • Doesn’t rate that well for customer service

yu energy

Yü Energy

An energy supplier specifically geared-up for small businesses, Yü Energy offers fixed, market-based prices, and gives each customer their own personal account manager in a bid to provide a more customer-centric experience than its larger rivals.

Supplier Rating: ★★★★


  • Great customer service
  • Yü Energy really values each business as individuals
  • No end-of-contract fees


  • Yü Energy has a small business focus and are less equipped for high-volume energy consumers (something to consider as you scale up)

Next steps:

Because of the variable nature of the energy industry, we can not say for certain which gas supplier will be the best for your business. However, we can provide you with a service that’ll find you quotes tailored for your specific business wants and needs.

To compare suppliers today and get quotes to save you time and money, simply fill in the form at the
top of the page.

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