Well I work for myself lol.
Yes there are soooooo many, but I would say that £800 is a lot

On here we have Tonilee, independent, who can set you up with everything you need including the training. She's in Coventry.
Violet Star reps for Couture, she's in Essex but can put you in touch with a couture trainer in your area.
Colin reps for Tantricks and is the owner of WOW factor. He to can put you in touch with a trainer in your area.
All 3 of these are geeks and can be found using the search button at the top of the screen.
All 3 will charge a heck of a lot less then £800, are top notch trainers and use top notch equipment and all 3 are recognized by all the insurance companies.
That should get you started and I'm sure other geeks will soon be along to point you at more