Tiggerito - 10:25 am on Apr 3, 2013 (gmt 0)
Linking yourself as an Author will mean your profile will show up with those website pages. No privacy there.
Google has not been clear on how to deal with your sort of situation. I think having an alternate profile for work will be fine.
Google Pages are a separate thing. It is not publicly shown who owns a page so you can safely create one and keep your profile private from it.
Pages cannot be authors but they can be publishers. At this time the page can be linked to a website and the +1s will get combined.