You will need to create a strong business page. Join similar groups share your ideas, post informative articles, network with other businesses, share your business culture, and if you have any job openings post them.
LinkedIn is the #1 platform for B2B sales so if your business sales to other businesses you absolutely need to use LinkedIn. LinkedIn is the #1 Professional Network, as all Fortune companies are LinkedIn members. 80 Million professionals, business owners and decision makers are there as well.
Now you can see how powerful LinkedIn really is, all you have to do now is take advantage of it and start using it.