I’m going to assume that you have a Google+ account for your business. If you are a local business and want to get any traffic, this is beyond crucial. Just go to https://www.google.com/business/ and get going.
You will probably want to make other people administrators or as Google calls it, a “manager.” It’s helpful so that you aren’t having to do all of the posting or if you have another person helping you get verified. full article “How To Make Someone An Admin On Google+.”