Two unique blog posts per month for corporate blog.
Internet Marketing, SEO, PPC, Web Analytics, Social Media, Web Design, Conversion Rate Optimisation.
200 to 500 words per post.
I would give you subject (title) and ideas to write for each post.
Preference for writer with knowledge about Internet Marketing.
British English, error free.
It's about content, not SEO. You must understand this point. No respinned articles only for search engines.