You’re stuck with 30% margins on retainers because you’re selling manual labor....

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

You’re stuck with 30% margins on retainers because you’re selling manual labor. If you turn your best internal scripts into simple software, you’ll see margins climb to 70% and beyond. It is time to treat your agency like a product lab.