I'm not suggesting you don't continue to make a better one, but there are quite a few databases like this in the UK and, I imagine, world wide. The top few from

I'm not suggesting you don't continue to make a better one, but there are quite a few databases like this in the UK and, I imagine, world wide. The top few from this Google search: https://www.google.co.uk/search?q=uk+database+stolen+items https://www.google.co.uk/search?q=uk+database+stolen+items Quite often local police services in the UK have databases you can search for serial numbers and so forth. I suspect a big problem for all of them is consumer awareness and consumer effort to enter the details into a site. There are quite a few potential privacy issues - you can't give away too much (or possibly any) information which may directly identify an owner because serial numbers are guessable and an enterprising thief could use a service which did reveal any information to track down theft targets... However, I really hope you do come up with a great solution :)