1934 Edward Erdman established

1959 Conrad Ritblat established by John Ritblat

1992 Edward Erdman merges with Clive Lewis & Partners to form Erdman Lewis

1993 Conrad Ritblat and Sinclair Goldsmith merge

1994 Erdman Lewis joins Colliers International and becomes Colliers Erdman Lewis

1996 Conrad Ritblat acquires Colliers Erdman Lewis

1998 Conrad Ritblat acquires Robert Barry & Co

2000 Colliers CRE is formed by the full merger of Conrad Ritblat and Colliers Erdman Lewis

2001 Floats on AIM as Fitzhardinge plc

2003 Acquires Gooch Webster and Fisher Wilson (Scotland), launches Colliers Capital UK

2004 Acquires Fletcher King, Manchester and Campbell & Co, Glasgow

2005 Acquires Lipfriend Dawson, Bristol

2006 Opens office in Madrid, acquires Colliers Jackson Stops, Dublin and Locum Consulting

2007 Acquires Huthwaites (Bristol) and bio-technology specialists Dodson Jones (Cambridge).

2008 Acquires Godfrey Vaughan, Central London specialists

2010 Colliers CRE plc, including Colliers Godfrey Vaughan, Colliers Robert Barry and Colliers Jackson Stops, becomes Colliers International UK plc