Most SEO agencies cap out at 30 percent margins because retainers are...

https://www.jelly-bookmarks.win/relying-on-retainers-keeps-your-margins-stuck-around-30-treat-your-agency

Most SEO agencies cap out at 30 percent margins because retainers are labor-heavy. Build tools from your internal workflows to hit 70 percent margins through software instead. Start treating your agency like a lab for building your own products.