Although these suppliers don't match your search for Magicians in Oxfordshire, they are within approximately 40 miles and could still be of interest.
Angus Baskerville Magic Entertainment, Magicians, Leamington Spa, Warwickshire
I am a professional magician based in West Midlands/Warwickshire area, and happy to travel far and wide to entertain at corporate and private functions large and small. (Magicians in Oxfordshire)