There are many reasons to start a blog for personal use and only a handful of strong ones for business blogging. Blogging for business, projects, or anything else that might bring you money has a very straightforward purpose – to rank your website higher in Google SERPs, a.k.a. increase your visibility.
As a business, you rely on consumers to keep buying your products and services. As a new business, you rely on blogging to help you get to potential consumers and grab their attention. Without blogging, your website would remain invisible, whereas running a blog makes you searchable and competitive.