Most SEO agencies plateau at 30 percent margins because service work is hard to...

https://www.4shared.com/office/hhMWgw-2jq/pdf-69706-48553.html

Most SEO agencies plateau at 30 percent margins because service work is hard to scale. If you turn your internal scripts into simple software, you can hit 70 percent margins or higher. Treat your agency like a lab to build real assets.