Robin Good: If you are seriously considering to jump on the Google+ bus and to do all that is needed to leverage the new social network and the unique benefits it may have on your SEO, check the advice provided in this article.
"Google+ Business Pages offer unprecedented search ranking advantages, so make optimizing your profile for both regular Google search and G+’s internal search your first priority.
Next you’ll want to make sure your profile “sells the follow.” Does it capture attention and say, “You’ll want me in your circles!” in those few seconds when someone takes their first look?"
Then, these that follow need to be your key stratgic steps:
1. Optimize Your Page for SEO
2. Upgrade Your Page’s Visual Appeal
3. Fill Your Post Stream with Quality Content
4. Begin to Attract Followers
Here all the details on how to do it: http://windmillnetworking.com/2012/01/24/first-5-things-google-plus-business-page/