Why Should I Give You My Business?

We all have competition. No matter what we offer there are competing options and alternatives. It's a fact of any and every commercial business.
So, why you?
For those of us in your market that don't know you or your competitors, why should we give you our business as opposed to your competition? Focus for a moment on your company and offering as it addresses my needs, wants, and desires – why you?
Whatever your answer, does your marketing and advertising communicate that reason? Is it clear to all of us, in easy to understand Terms, what you do for me and why I should give you my business? If not, you now know where you should focus more of your time. And you've identified the upside in your business.