Most agencies get stuck with 30% margins because retainers rely on headcount....

https://www.tumblr.com/weepingmountainzealot/815696382877941760/how-do-i-sell-a-tool-to-other-agencies-without

Most agencies get stuck with 30% margins because retainers rely on headcount. If you treat your agency like a lab to turn workflows into software, you can push margins past 70%. It is time to stop selling hours and start building your own tools.