| Year | Detail |
| 1941 |
The company was founded. |
| 1996 |
Clariant acquired Zipperling Kessler & Co. |
| 1997 |
Clariant acquired Specialty Chemicals of Hoechst AG. |
| 2000 |
Clariant acquired the specialty chemicals company British Tar Products (BTP). |
| 2005 |
Clariant sold CABB (Clariant Acetyl Building Blocks Gmbh & Co. KG). |
| 2006 |
Clariant acquired Ciba Masterbatches. |
| 2011 |
Clariant acquired a list of companies such as Octagon Process LLC, Prairie Petro-Chem, Oberhausen Technology Center, and Süd-Chemie. |
| 2016 |
Clariant acquired Kel-Tech Inc. and X-Chem LL. |
| 2022 |
Clariant divested its pigments business. |
| 2023 |
Clariant acquired Lucas Meyer Cosmetics. |