I thoroughly recommend saddle company saddles!! I have one for Bobby, infact it's the same one I had on my previous horse, I just had it reshaped. I had one for my pony too who had bad muscle wastage and he was a different shape and went so much better once he had several different fittings and pads and all sorts and having a saddle which could be changed as he improved was really helpful.
I got mine 2nd hand on eBay and then got saddle fitter to check and fit it. Cost about £250, bargain!! Otherwise my saddle fitter recommends thoroughgood saddles for youngsters