Service retainers keep your agency margins stuck around 30 percent. Start...

https://dibz.me/blog/why-a-handful-of-european-seo-agencies-stopped-being-agencies-and-1138

Service retainers keep your agency margins stuck around 30 percent. Start treating your operations like a lab to turn your internal scripts into products. If you build software out of your workflows, you can push those margins past 70 percent.