Global Company History
1888   Founded as Association for wasteland redevelopment
1925   Rural development
1959   Export of services to developing countries
1960   Urban development
1970   Environment
1972   Association separated from operating company
1990   Start of European expansion
1993   Merger with Geraghty & Miller – U.S. (NASDAQ-listing)
1995   Listed on Amsterdam Stock Exchange (now NYSE Euronext)
1997   Heidemij becomes ARCADIS
2000   Strategic review and course change
2005   Strategy 'Choices for Growth'
2008   Strategy 'Building Global Leadership'

UK Company History
1946   AYH established
1957   Geraghty & Miller Inc (U.S.) established
1993   Geraghy & Miller acquired by ARCADIS
1993   Geraghty & Miller International established U.K.
1998   ARCADIS Geraghty & Miller International (ARCADIS GMI)
2005   AYH acquired by ARCADIS (ARCADIS AYH)
2006   Berkeley Consulting acquired by ARCADIS AYH
2006   Summerfield Robb Clarke acquired by ARCADIS AYH
2007   VECTRA Group Ltd acquired by ARCADIS GMI
2007   APS Project Management acquired by ARCADIS AYH
2010   All UK companies trading under ARCADIS UK, except ARCADIS Vectra