Search engines have evolved since the beginning of SEO, making it increasingly difficult for SEO companies to produce rankings and traffic. In the past, rankings were easily manipulated, but now SEO professionals must be more strategic and produce value in content to create links. The increased workload has changed the pricing structure and costs for SEO.
This white paper from Rowe Digital goes deep into the 3 key components of a good SEO program that impacts the pricing for a small, medium, and large efforts:
1) the analysis,
2) the setup, and
3) ongoing maintenance and optimization.