How they have become an Apple Authorised repair dealer I will never know. I booked in via the Apple site to their 80 Kensington High St branch for a replacement battery for an Iphone 6. Several times before making the journey I tried calling the branch to check all was OK with stock. Their phone and their nearby branch phone were out of order (!). The call centre were unable to help at all other than trying to sell me a new phone and once I explained I only wanted a new battery I was mysteriously "cut off" as soon as I asked them to connect me to the branch. When I got there, I was met with a very defensive and agressive repair employee who told me that they had no stock of the batteries and yes their phone lines were down. He then tried to defend the situation by saying 3 customers who had booked earlier "didn't even show up" (as though this was my fault and problem - the logic of that was lost on me). He told me I maybe able to get a walk in repair in Shepherds Bush (2 miles away) but was unprepared to ring them to see if they had stock - the reason? "That's not part of our service" - SERIOUSLY. So, three hours wasted travelling and the cost of travel. I will be cancelling my 4 family contracts with this group (we have been customers for 10 years plus) as well as ending our business contract with them as soon as possible. If this is what their merger with Dixons has come to I want no part of it. The recent hack was a nightmare which I eventually forgave - this was the final straw and the end for me...