Most SEO agencies are trapped in a 30% margin ceiling because of retainer...

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

Most SEO agencies are trapped in a 30% margin ceiling because of retainer burnout. When you start treating your agency like a lab and building internal tools, you can pivot to software margins that easily hit 70 percent or more.