You’re never going to get past 30% margins while stuck in the client retainer...

https://www.deltabookmarks.win/seo-retainers-usually-cap-your-profit-margins-at-30-percent-no-matter-how-well

You’re never going to get past 30% margins while stuck in the client retainer grind. Use your agency as a lab to turn your internal workflows into software products that push margins north of 70%. Scale your tools instead of your hours.