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Hi! Unfortunately, we're having known issues surrounding adding a G+ business page to your Moz Analytics campaigns right now. Our engineers have this in their top priority to work on, but I know it's really frustrating. You might try removing your personal page -- which was a bug when MA was first released and MA won't let you add a user profile anymore -- and then try adding your business page. Hope this helps!

For Twitter, we do have a partnership between Followerwonk and Buffer (more info at http://moz.com/blog/followerwonk-partners-with-buffer). Other than that, no, we don't at this time.