SEO is still the best source to build traffic and business. Link building is the only way to improve search engine ranking and to improve overall traffic. Quality link building company ranking by SEO makes sure that your website gets the benefit of link building as a part of multiple types of link building services.
One of the factors that contribute to a web page being considered "important" is the number of links pointing to that page. For example, if your page has 100 quality links leading to it, it will be ranked higher (in Google's estimation) than one that only has 20.
Earn and build quality links for your site and follow all SEO process to get high search rankings. And post only quality content because today content is king.