Most SEO agencies get stuck at 30% margins because they are trapped by client...

https://direct-wiki.win/index.php/Stop_Treating_Your_Senior_SEOs_Like_Data_Entry_Clerks:_A_Blueprint_for_Agency_Survival

Most SEO agencies get stuck at 30% margins because they are trapped by client retainers. If you turn your internal workflows into simple software, you can easily hit 70% margins. It is time to start treating your agency like a lab.