Agency retainers rarely net more than 30 percent profit because they rely on...

https://www.bookmark-suggest.win/most-seo-agencies-hit-a-profit-ceiling-at-30-because-they-just-sell-labor

Agency retainers rarely net more than 30 percent profit because they rely on constant headcount. If you turn your best internal workflows into a tool, you can flip those margins to 70 percent. Start treating your agency like a lab for software.