Does SEO actually work and how long before any results are seen on search engines.

Seo is a steady process of getting rank in the top position of search engine result pages.You have to be patience if you are doing seo just follow all the guide lines of search engine and sooner you will see results...

By submitting back links and on site optimization seo perform a platform for good traffic. So its so important for increasing page rank and website power. 

It really works when done in proper way by following all the restrictions and terms.

Search engine optimization (SEO) is the process of affecting the visibility of a website or a web page in a search engine's "natural" or un-paid search results. In general, the earlier (or higher ranked on the search results page), and more frequently a site appears in the search results list, the more visitors it will receive from the search engine's users. SEO may target different kinds of search, including image search, local search, video search, academic search, news search and industry-specific vertical search engines.

Yes SEO really work. Results are depends on your work if you have good places where you promote your site so you will get result in few months other wise you may take up to 6-7 months as well.

Yes, I agree. It takes some time.

When you get into a question into a SEO and media 'Enter', you get a record of Web outcomes containing the question phrase. Normally, customers usually check out websites that are in the top of this record, as they understand those to be more appropriate to the question. If you ever considered why some websites position better than others, then you should know that because of a promotion strategy known as Search Engine Optimization Web great (SEO).

Your site will get indexed by search engines and will increase your sites traffic is the essence of SEO. And because of the right techniques of optimization your site(business) will be successful in a certain field.

Yes of course seo will works and by fallowing search engine guidlines and google panda updates we can bring our website on the top of search engines.but we can't expect immediate result in seo.seo is a very long process and it will take time to show his results.