Most SEO agencies hit a profit ceiling at 30% because they just sell labor....

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

Most SEO agencies hit a profit ceiling at 30% because they just sell labor. Treat your agency like a lab instead by turning your workflows into internal software. That’s how you break the cycle and start hitting 70% margins.