• Arcadis average pre-tax profit margin for 2012 was 6.4%, a 86.4% increase from 2011.
• Arcadis average pre-tax profit margin for 2011 was 47.06%, a 17.94% decline from 2010.
• Arcadis average pre-tax profit margin for 2010 was 39.9%, a 450.34% increase from 2009.

Pre-tax profit margin can be defined as earnings before taxes as a portion of total revenue.