Google has said to the Business Brands not to create their profiles yet, as they are working on this to make it a better experience. Google+ engineers are actively working on this part to make a better place for the business brands.
As we normally interact with people, Busniess profiles will have a different experience of interaction, As a result, Google is asking businesses to put their Google+ ambitions on hold.
Google+, Businesses and Beyond
“The business experience we are creating should far exceed the consumer profile in terms of its usefulness to businesses,” Oestlien says in his post. “We just ask for your patience while we build it. In the meantime, we are discouraging businesses from using regular profiles to connect with Google+ users. Our policy team will actively work with profile owners to shut down non-user profiles.”