Most agencies get stuck at 30 percent margins on service retainers. Start using...

https://wiki-quicky.win/index.php/The_Reality_of_Agency-to-SaaS_Transitions:_Moving_Beyond_Service_Ceilings

Most agencies get stuck at 30 percent margins on service retainers. Start using your agency as a lab to build the internal tools you actually need. Once you sell that software, you can easily shift those margins to 70 percent or more.