Agencies usually hit a ceiling at 30% margins because of all the manual labor....

https://front-wiki.win/index.php/What_Should_an_SEO_Agency_Automate_First_to_Save_Real_Hours

Agencies usually hit a ceiling at 30% margins because of all the manual labor. By treating your agency as a lab, you can turn those workflows into simple software and push margins past 70%. It is time to stop selling hours and start building assets.