Seems that www.cyclescheme.co.uk manage this for most bike shops in the country. Seems a pretty comprehensive service and every local bike shop I could think of was on their list. My shortlist is almost down to one.
Incidentally, it's great to be working with great people. I passed a quote from one of the guys onto Jenny, in our finance team, asking her to check out what was involved. I was expecting something to review in a couple of days. Within the hour, almost, I had the paperwork ready to sign and she was on top of what we needed to do. Marvellous.