Most agencies get stuck with 30% margins on service retainers. Treat your...

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

Most agencies get stuck with 30% margins on service retainers. Treat your agency like a lab to build tools that solve the problems you face every day. Shifting to software allows you to hit 70%+ margins and scale without adding more head count.