Missing Basic Information
The website currently has no H1 tags, on any of it's 8 pages. This is one of the most important ranking factors within Google, and should be the first thing addressed.
Their website is also missing 8 out of 9 meta descriptions, which should be inserted at the new length after the recent Google update to display 3 lines of text per result.
They are also still using meta keywords on their homepage, an indicator of spam for Google that can harm the rankings.