Organic SEO services is a broad-based term that includes getting a website listed in the non-PPC part of a search engine results pages (SERPs). Organic SEO services are used to put a website where over 90-percent of searchers are looking for results.

Sometimes called natural listings, organic search engine optimization is more cost-effective in the long run that pay-per-click (PPC) advertising on a per visitor basis. There are some search engine optimization companies that will say, "Get your website listed at the top of the search engines in 48 hours."

These companies do not offer organic SEO services, but rather are offering PPC SEM services for those who need quick results. One of the disadvantages of organic SEO is that it takes longer to achieve results than PPC ad campaigns.

With a PPC campaign such as Google Adwords or Yahoo Sponsor Listings a person can enroll in a program and start receiving traffic right away. Over the long run, this will cost more, in general, than those employing an expert that offers organic SEO services.

For new websites, in particularly, it may be a wise business decision to do both pay-per-click and organic SEO. Since results from organic SEO may take weeks or months to kick in, many Web businesses will opt for pay-per-click initially in order to get immediate results and then scale back this costly form of advertising once the organic SEO results start to take hold.

But, one must note that not all organic SEO services are the same. There are black, gray and white hat companies that offer a variety of services for their clients. For instance, this website only offers white hat organic SEO services to its clients, but there are many other firms that will dabble with the dark side.

The goal of those who offer organic SEO services is the same however, and that includes getting a website into the top rankings of Google and Yahoo plus to a lesser extent the other search engines such as MSN, AOL and Ask.

Some clients will come in overly concerned about the SERPs in the second tier search engines and I usually tell them to stay focused on Google and Yahoo since that is where the majority of traffic is at. It's not wise to overly obsess about a search engine that only has two to five percent of the market and neglect the other two that make up 80-percent plus of all searches.

When contacting an expert about their organic SEO services it is important to include the website's URL. More often than not the optimizer will want to do some preliminary research before offering a bid or even contacting a potential client, so that they can give an informed opinion of how they can help the client get top rankings in the natural listings.