Same here. I’d never leave a deposit for a motability car. It’s such a shame that there are no standard rules that are adhered to. I generally try to order a Skoda, Seat or VW on motability deliberately because our dealership is so good. I was even told if any stock showed up that matches they would try and get it to save the wait.
As far a as ratings database is concerned, this should be a simple process for motability as they send us the survey after ordering, servicing etc, but they only ever put the 5 star responses on their website.