Outside of Tony's great critic I will say you did very well with getting the phone number up high.
I like your slogan but it is part of the header image so it is not part of your SEO content.
Playing with the chrome device tool, it seemed to display well on the main mobile devices as far as chrome was concerned.
I saw very little structured data and it did not do too well in the
If you have a google plus page you want to work on linking the website to that listing. Just follow the links provided in the test to find out more.