Not personal experience, but I know quite a few people who are with pool house and have been 110% happy with their services. A friend's mare had a foot issue, which was dealt with after Pool House did some remedial shoeing on her.
Both good practices and also depends on who you want/get on with. We prefer Chine but probably because they know us better and know our attitude towards horses and care. We have had two bad experiences of Poole staff (not partners) but know of several people who's experiences are the other way round.
TBH I normally use Scarsdale but never seem to get a real diagnosis as such, so thought I would try one of the other 2. I just want to know what the options are with him & don't want to fanny around any longer!