In the UK there are six main power suppliers that provide 93% of the fuel for commercial customers. They all provide competitive pricing although the smaller independents sometimes offer the best deals.
The big 6 energy suppliers in the UK are now British Gas, Npower, EDF, EON, Scottish Power and Southern Electric.
If you have never switched your energy provider then it will be the provider listed below in your regions before deregulation and privatisation took effect in December 1990.
British Gas were the emcumbent UK Gas supplier who supplied gas to every business and household. They now also supply electricity as a single or dual fuel contract.
If you have never switched provider we guarantee you'll be able to save on your existing rates.

With the average business electricity bill now over £2,600 per year which supplier should you choose? The chart below shows the total annual cost by some of the major providers.

BG Business still dominates the market for business energy. The graphic below shows how others compare.

There are smaller independent organisations that can supply power to businesses. In the residential market only 1% of customers are with these suppliers. However, in the commercial market over 7% opt for the independents.
Additional options include:
For most business owners simply getting the lowest prices is the one aim they have. In today's energy market and economic climate this is a good strategy to follow.
The supply to any home or business premises is exactly the same no matter who you choose. Therefore, the decision is mainly based on price and perhaps the supplier you want to deal with.
All now provide UK based customer service telephone support and help and advice on energy efficiency measures. These could reduce the overall cost of electric and gas to your business thus saving you even more.
All of the big 6 companies mentioned above can supply both electricity and gas to your business.
Getting a quote for both fuels for a business is easy with internet quoting tools. You can also use specialist energy brokers or comparison websites or get quotes direct yourself.
Using any of the websites for the big 6 providers enables you to see specific tariffs and prices for your business. You can then select the tariff that's right for your circumstances and sign up online.
If you stay with your current supplier the process is slightly faster than if you decided to switch to another provider although it's only a matter of weeks before you can be enjoying the lower rates of the new contract.