Penguin Recovery Services
The penguin update was Google’s effort to identify websites with unnatural and low quality link profiles.
A site’s link profile, is a set of links pointing to the site and their characteristics, which as a whole is used by Google to determine a site’s authority on the web. Sites authority and its rankings, go together.
Sites that get hit by penguin update, have suspicious link profiles. Links from not relevant low quality sites and anchor text optimization are the most common reasons sites get hit by penguin.
He help you clean up and strengthen your link profile to recover the site from penguin update.