Online is a vast space where you can literally reach the world with what you have to offer. In comparison, if you do not have an online presence, you are reaching a minimal audience. Your reach is perhaps limited to the local people or, at most, around the adjoined states if your business allows that. And that is much lower than what you get when you have a prominent online presence.
https://www.exnoweb.com/blog/what-happens-when-your-business-is-not-listed-online/