A complete Seo services package that includes month to month website optimization, link building, and monthly reporting and analysis can cost from a very modest amount to quite a large sum per month. The reason for this broad range in pricing is the amount of work needed to make your website perform well against the competition. Depending on what your products, or services are, your website may be very unique or may have a lot of competition. Most search engine marketing experts will offer three levels of SEO services based on that amount of work that is needed to properly rank your services. If you happen to have a niche product that has a unique name, it would take minimal SEO efforts to help you rise to the top and stay on top.