Recent studies (here and here have showed that half of small business owners do not have a website, and that 10% of them don’t even intend to invest in a website anytime soon.
A company website is the storefront of its business. It is relevant for all kinds of companies - B2C, B2B, non-profit, local, global… - and it is a cheap way to grow your business. So why would a company want to miss this opportunity?