That should of course be "Sheila Maid". And our bill is about £250 a quarter, possibly less now we're with Ebico.
It's worth pointing out that the switching sites don't always make it easy to find tariffs in cases where they don't get commission. You have to look out and check things like 'social tariffs' and others. In my case, I was then presented with a 'do you really want to do this, they are a small company' warning to try and put me off (Uswitch I think).