SEO is more important for small businesses than for large businesses. A large company already has a reputation. Brand awareness is already there. Of course, there’s still plenty of room for SEO and growth. But when it comes to small businesses, their reach is extremely limited, hence the necessity of SEO.
Small businesses are often crushed by large companies, hence the necessity to grab a slice of the market before it’s too late. Whether they operate locally or at a wider scale, small businesses need SEO more than other marketing solutions in order to bring natural traffic and sales conversions.