Environ was a privately held, international environmental, safety and health sciences consulting firm headquartered in Arlington, Virginia. ENVIRON had operations across more than 90 offices in 21 countries, with more than 1,500 consultants when it was acquired in December 2014 by Danish-based RambollIn a transition period, legacy ENVIRON was rebranded as Ramboll Environ, Inc. Since January 1 2018, ENVIRON no longer exists as a separate business entity, and is now part of the Water and Environment & Health divisions of Ramboll.