SEO is an acronym for “search engine optimization” or “search engine optimizer.” Deciding to hire an SEO is a big decision that can potentially improve your site and save time
Many SEOs and other agencies and consultants provide useful services for website owners
Keep in mind
The Google search results page includes organic search results and often paid advertisement (denoted as “Ads” or “Sponsored”) as well. Advertising with Google won’t have any effect on your site’s presence in our search results.
source : Google Webmaster