Step 1: Preparation
Preparing your site for search engines:
This step is very important because keyphrase selection and optimization are both utilized. It doesn't matter if you have a website or not, this is what you should always do first. You must be sure your site is optimized properly to ensure that the major search engines and directories can crawl your site, this way your site gets indexed correctly.

Step 2: Popularity
Creating a strong link density:

It's always pertanent that you have both quality and relevant links coming to your site. This requires emailing sites in your industry asking for a link on their site, or a link exchange. Strong link popularity increases your chances for search engines to find you before you even submit to their directory. It's also always a good investment to consider a pay-for-inclusion membershit with companies such as overture, looksmart, and googleadwords, and many more.

Step 3: Broadcasting
Submit your site to search engines and directories:

Submit your site, and all of the other pages within your site to search engines and directories to ensure placement on them. It's usually best to do this manually, automatic placement isn't a sure thing sometimes, you have more control over which pages go in when you do it yourself. Placement on the search engine after the submition usually takes anywhere from 2-12 weeks. Never submit a page that's already indexed on a search engine, this may be considered spam to the search engines and your placement will be removed.

Step 4: Advertising
Investing into Targeted Vistitors:

Investing into pay-per-click campagins, newsletters, or website ads can be very useful depending on your budget, however it can be expensive. It's aways helpful to know which programs are right for your company to invest into, and always making sure you design your ad copy in the right manner, most companies make an excellent return on investment using this solution.

Step 5: Monitoring
Keeping up with your sites statistics:

This can often be one of the most overlooked step people forget, it's important to be persistent in viewing your sites performance on search engines, keeping up with your cost per click campaigns, and viewing how many vistitors your sites taking in, and where their going within the site. If your traffic decreases there's always a "why", which nine times out of ten will be answered within the monitoring phase.

Keep in mind this is an ongoing process, and you should never stop going through these steps in order to promote a successful website.