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Switching to a small energy supplier

You can switch to a small energy supplier with Uswitch — but not all small suppliers are created equal. Here's what you need to know about small energy suppliers before you switch.
Ben Gallizzi author headshot
Written by Ben Gallizzi, Senior Content Editor - Energy and Electric Vehicles
Updated on 28 July 2024
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Woman switching energy supplier

What is a 'small energy supplier'?

First, the basics: the term "small suppliers" — sometimes referred to as "independent suppliers" — is generally used to describe any energy supplier that is not one of the new big six.

These small suppliers generally have 250,000 customers or fewer, though some larger independent suppliers are more established and have several thousand more.

History of small energy suppliers

In 2006, there were only 10 energy suppliers to choose from, including the former "big six" (British Gas, ScottishPower, EDF Energy, E.ON, npower and SSE). Many of the challenger energy suppliers entered the market after 2013, when energy regulator Ofgem unveiled its plans to create a more level playing field for small suppliers in an effort to shake up the market and pave the way for more competition.

Small energy suppliers have been serious contenders to the big six, offering some of the cheapest energy deals on the market - and many score highly in customer service ratings too.

However, since the beginning of the energy market crisis, there has been an increase in small suppliers going out of business, with those that remain growing by virtue of taking on the customers of those suppliers that have gone bust. As a result, there are very few "small" suppliers left.

What are the pros and cons of small energy companies?

  • Potentially cheaper energy deals because of smaller overheads.

  • Flexibility to offer more innovation in products and services.

  • Better customer service.


  • A small energy supplier might struggle to survive financial difficulties in comparison to a more established supplier.

What if my small energy supplier goes out of business?

While historically many small suppliers have operated without issues, as noted above, a higher percentage are likely to exit the market in the near future.

However, you can rest assured there are rules to protect your household against any energy supplier going bankrupt. Energy regulator Ofgem has enforced a number of regulations and, should there be a problem, you will be switched to a new supplier. This will have no impact on your energy supply. You can find out more in our guide to energy suppliers going bust.

Do small energy companies have good customer service?

Many smaller suppliers have been ranked more highly for customer service than their big six competitors.

In a 2022 independent Uswitch survey of more than 16,000 UK energy consumers, households rated their suppliers in categories including Best Customer Service and Most Likely To Recommend. The top three suppliers for those two categories were all "small" energy suppliers.

How can I find out more about each small energy supplier?

If you run an energy comparison through Uswitch, information about the supplier is provided in your results on the Plan Info page.

This information includes when the suppliers were established, any warnings such as advance payment requirements and, where available, an independent customer satisfaction score.

We also provide guides to energy suppliers, which contain information about most energy providers currently operating.

You can also use trusted user review sites like TrustPilot to read real experiences and feedback from customers of any given supplier.

Should I switch to a small energy supplier?

In years gone by, the short answer would have been that gas and electricity is all the same whichever supplier you choose. What you're really paying for is the supplier — their customer service, their account management and any rewards and extras they offer — so it's important to know a bit about them before taking the plunge. However, this now includes some risk assessment about whether they're likely to go bust. As previously mentioned, there are also very few suppliers that really meet the tag of being small, so there may be few options anyway.

If you can find one, though, a small supplier can offer some great deals and better customer service than bigger names — just be sure to look past the low price before signing up.

Run an energy comparison to see deals that are currently available here.

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