here is my code
You get £50 account credit and I get £50 account credit too. Once you have signed up you get your own referral link to pass on and then £50 for each person who joins via your link.
I moved to Igloo 6 months ago and have been very impressed. The two things I didn't know before I moved is that they do take one month's DD up front before they take over your billing, so one month you will end up having DDs for the new and the old provider taken plus they need meter readings each month on the anniversary of your switch.
UK based call centre as well as online service.
Hope this is of help to someone