SEO is definitely required for a website. It helps a website to get better page rank, drive more traffic, helps to display the website in SERP, etc.,
There are many steps in SEO. If you are not technically expert in the SEO you can get some paid SEO service. For example, You can get the Search Engine Visibility service from
www.XnYnZ.com This tool does a lot of automated SEO services. Some of them are,
* instant submission to Google, Yahoo, Bing, Ask & AOL
* One click submission to over hundreds of search engines and directories
* Keyword generator and research tool to find niche keyword and phrase develop keyword strength to your website.
It does many more SEO services resulting in Better traffic and increased ranking. You need not technically expert to handle this.