Hello there,
Curvy Fillies based in Ireland should be able to help you. I don't have any other info for them. I've seen their ad's and they do mail order..
regards,
Here's a list of UK practitioners from the Natural Hoof Care Practitioners web-site. Hope you find it useful.
http://www.uknhcp.org.uk/uknhcpqualifiedpractitioners.html
The barefoot horse is the way to go. I spent time in Wyoming working on a cattle ranch and all the horses are barefoot...