Near the end of December 2011, SEOmoz ran a survey on their blog asking consultants and agencies of all sizes and geographies to contribute their pricing models and cost structures. I’m pleased to share the results of that survey in the hopes that it will give everyone in the search industry a better idea of the range of fees and the services provided.
Below is an infographic from AYTM Market Research which lays out all the data nicely. Some of the data is surprising (eg. avg number of employees per consultancy in the US!)