I've been a Utility Point customer now for a little while and have always found them very helpful. They don't always answer the phone immediately but if you leave a message they usually get back to you the same day, within a few hours at most.
Here you can get £25 for free for joining / switching to Utility Point.
It will be added as a credit to your account once you're a customer
Here is the link to get a quote, just click on it or paste it into the browser address bar in your browser...
portal.utilitypoint.co.uk/GetQuote.aspx?refer_token=Violet17007
In the "How did your hear about us" section of the "Your Details" screen, select "Recommendation" from the drop down and enter the following code in the "Please enter code" box...
Violet17007
You'll get £25 free for using the referral code when signing up to Utility Point.
In the unlikley event you are asked for a referral ID, it is 13373.
Enjoy your new energy supplier and your free £25 credit.