BDO is the fifth largest accounting and consulting network in the world with over 1,400 offices in over 135 countries. BDO provides service in accounting, audit, tax, and consulting. Headquartered in Chicago, Illinois, BDO employs over 6,00 professionals in the US and over 67,000 worldwide. With a 9.6% yearly increase in revenue growth, BDO is continuing to expand as company and offer their high-quality service and dedication to an increasing number of clients.