The world is not just full of people whose 'business plan' is to reinvent FB/Twitter/eBay, it also has plenty of people whose great idea is to reinvent AW and dozens of less successful directories.
Here, you personally are interested in finding "slightly older more experienced escorts". That's great, but it's not a business plan. If you can't do that now, it says more about you than it does about existing directories and search engines...
I've been developing a concept for a new site that will be heavily moderated to ensure that punters get good value for money, and don't have to spend hours looking for new escorts that meet their needs.
And how is the time that 'heavy moderation' needs to be paid for? You're going to check every escort, every review, every... how?
I know that it's early days, but the registration details say more about your personal preferences than anything else.