Emma Massingale every time .... she is near Bideford / Holsworthy. Has an amazing way with horses and does all teh fancy stuff with no bridles/ bareback etc. but she also competes and understands what more traditional owners are looking for. If you google her, you'll find lots of websites/ info.
Jenny Watts (website Jenny Watts Eventing) did a great job with my youngster last year. She is near Watchett so just in Somerset. Hacked him out with others and alone, also had others in the arena with him. All ready to go and do baby stuff. She has excellent staff, but made a real point of her doing the riding, even on days when she was off competing.