| May 2011 |  | Ubichem sells Ubichem Research subsidiary |
| Aug 2010 | | Kemira acquires Teesport from Albemarle |
| Feb 2010 | | AMRI acquires Excelsyn |
| Sep 2009 | | Summit Divests Dextra Services Business |
| Nov 2008 | | Oxford Catalysts Group Plc.acquires Velocys, Inc. |
| Aug 2007 | | Intertek acquires ICI Measurement Sciences |
| July 2007 | | Azelis acquires S. Black |
| Oct 2004 | | Avecia sells its Analytical Sciences Group to Intertek |
| Oct 2002 | | 3i sells Cascade Biochem to Johnson Matthey |