So far so good. Ordered sim, it came the next day. Requested to take my number over to Smarty, nice and easy, completed last week, only took two working days. Had a couple of questions and the guys on the online chat were very helpful.
Signal has been fine, faster speeds on the internet than my previous network, easy to use dashboard to see what you've used. They also do a thing where they take money off your bill each month for any unused data.They have also just set up EU roaming, so theres no extra costs, just comes out of your monthly balance. So that's an added bonus.
So time will tell, but impressed so far.
Another thing they do is a friend referral scheme, for every friend you recommend, if they sign up, you get a free month and so do they!