One question not asked is, Do you want to put your hard earned money into a UK official dealership so they make a fat profit, or do you want to keep `more money into your own pocket?
Companies go under all the time, Jacobs for one and the old Jessops for another. I don't feel sorry for them. What they don't seem to realise is that with the internet they are now competing on a world wide scale. Before it was one local camera store against another local camera store. Cut prices or go under, plenty of internet companies only too willing to get your custom.
If you go to an authorised camera dealer and they close down what then? no recourse back to the dealership they have gone. Look at the problems caused with cameras in for repair and the shop closed, how do you get your camera back, loads of people had great difficulty I understand.
example new Nikon D810 uk price £2598 I got mine as a grey import for £1609 from ireland brand new in nov 2017, that included p/p as well. Still on ebay for around £1700 obviously again grey imports. Almost £900 markup is taking the p***