The cost of conversion rate optimisation can vary dramatically based on the size of your site and the level of work that needs to be done, so unfortunately there’s no single, simple answer to this question. The way we work is to agree on a set number of hours per month to dedicate to getting positive conversion results, we will then monitor and report on the impact this has on your conversion events. Once we are happy that one page is optimised as much as possible we will move onto the next opportunity within your website.