When people refer to “organic SEO” (search engine optimization), they almost always use it as a blanket term to describe the unpaid, algorithm-driven results of any particular engine. However, a sophisticated search engine optimization company will often take the meaning of “organic” one step further. To such companies, the description of “organic SEO” is not limited to what shows up in the “natural” search engine results – it includes the methodologies used to achieve such rankings.
A search engine optimization company usually falls into one of two camps. A “White Hat” search engine optimization company will use a largely content-based approach and will not violate the terms of service of the major search engines. A “Black Hat” search engine optimization company will use a largely technology driven approach and often ignore the terms of service. Neither approach is invalid (as I have said many times before, there is nothing illegal about violating a search engine’s terms of service), and both can achieve high rankings. But a search engine optimization company that takes the word...