Blogging is a great way to establish your expertise and generate traffic to the company website. When you want to build a large audience it takes a lot of blog posts everyday. One way to increase the number of posts to a blog is to accept contributions from other bloggers. This is beneficial to both you and your guest bloggers.
You will have more content to deliver and the guest blogger earns a link to their website. You both have the opportunity to cross promote and earn new followers from each others social community. Managing contributors takes a plan. Here is an excellent article from Hubspot with good ideas to consider when accepting and managing outside bloggers.