Problem Shooting with Google authorship
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You need to have the name of the person who wrote the content on the web page. Google is trying to find the name of the author, but can't, they are only seeing the company name. Putting the name of the author on the page and making it a link to his/her G+ profile can help define the author. There is also the rel=author tag, and a URL parameter you can use, but usually one will do.
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A major part of the problem is that you're trying to setup authorship for your company's google+ page and not for an individual. That's not how it works. You have to tie authorship to an individual and authorship is meant to be setup for aritcles and blogs, rather than sitewide.
To tie a brand page to your site you should use rel=publisher.