Link building is important process where targeted outreach to industry specific bloggers and companies is done, and high-quality content is created. Links are the way that Google knows that your content is authoritative and treats links as votes of confidence from other places on the web. High-quality link building is one of the single most important pieces of any SEO strategy. Done by an untrained company, poor link building can actually hurt your rankings! Done well, links result in more traffic, authority and business for your website and brand.