Most SEO agencies are stuck trading time for money and capping profits at 30...

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

Most SEO agencies are stuck trading time for money and capping profits at 30 percent. If you productize your internal workflows, you can stop fighting the clock and start hitting 70 percent margins. It is time to act more like a lab than an agency.