SEO for video production agency

Website : [login to view URL] I need an seo expert to boost our site for top key phrases on google and bing. This will require; - best whitehat practise - video SEO for google - key phrases (upto 20) need to be optimised so we get 1st page organic listing - tweaks on copy on site to enable the above to happen - BUT - I do not want big changes to style of site - examples of previous work please - with key phrases in UK Google so we can check capabilitles. - looking for 3-6 mths of work for a fixed monthly fee. Thank you.