The document provides information on how to choose a reputable search engine optimization (SEO) company. It advises readers to avoid companies that use black hat techniques like cloaking or doorway pages that violate search engine policies. Readers should get a written guarantee the company won't work with competitors and check client references by verifying results on popular search engines and keywords. Choosing a company with a proven track record of success across multiple engines and keywords using white hat methods will result in the best SEO campaign.