You can have different websites and a central website (representing the company) but they must be link to each other. In this way, Google will count these website as a network and it will not affect the SEO.
Big Oak SEO Blog
This SEO blog is provided by Big Oak SEO, a SEO Company. Most blog posts are related to search engine optimization, short reviews, SEO tips and increasing site conversions. Email us at firstname.lastname@example.org or give us a call 804-741-6776 to see how we can help your company. More