50% is not unheard of. More importantly for you it shows what the market can bear for your skills with a small premium for brand name. Also keep in mind that yo

50% is not unheard of. More importantly for you it shows what the market can bear for your skills with a small premium for brand name. Also keep in mind that your agency is doing a number of business related tasks that all cost money including at a minimum marketing/sales, invoicing and recruiting developers with the right skills.