Back in the days when the internet was wild, you could rank your website by copying and pasting some words on the page. Long before Google was a thing, there were no rules for digital marketing. There certainly was not a scientific way to gauge the effectiveness of a website or web page. And you definitely didn’t wonder how to find the best SEO company for small business. There was no such thing as the best SEO companies because SEO companies didn't technically exist.
Over time and led by Google, search engines got better. Now they use complex algorithms to rank pages and sites. These big-brained creations are excellent at rewarding the just and punishing the cheaters.
You no longer can copy the same words over and over again and expect your site to do well. In the modern era, optimizing a web page’s searchability requires a whole lot of expertise to do well. So, along came the SEO specialists.