Software marketing - experienced pros

I'm looking for experienced marketers who can promote our software. This must be professional who acutally have good portfolio and can show previous effects. I wonder main sedcrets of top 50 download shareware (expect seo and good product quality because this obvious works) Is there anybody who can set up good prootion? Site has now very low visits rate about 50 daily, needed to achieve at least 5000 daily.