| 1894 | Lehmann&Voss&Co. founded as a trading house | 
| 1903 | Start of production of magnesium oxide | 
| 1907 | Establishment of a lab for technical consultation for the rubber and cable industries | 
| 1922 | Launch of marketing of carbon black | 
| 1954 | Introduction of precoat filtration in Germany and start of sales of raw materials for coatings | 
| 1965 | Start of marketing for raw materials and additives for the pharmaceutical and cosmetics industries | 
| 1973 | Start of production of masterbatches for the plastics industry | 
| 1984 | Start of production and sale of high-performance compounds | 
| 1990 | Expansion of European sales organization through founding of foreign subsidiaries (LEHVOSS UK, France, Italia) | 
| 1992 | DIN EN ISO 9001 certification | 
| 2004 | Acquisition of Chem Import in Italy | 
| 2008 | Acquisition of Paroxite in UK and Auer-Remy GmbH in Hamburg | 
| 2011 | Acquisition 20 % of Biophil S.P.A. in Italy | 
| 2012 | Investment in additional land and office space at Wandsbek site | 
| 2013 | Foundation of LEHVOSS North America, LLC and LEHVOSS Nederland B.V. | 
| 2014 | Foundation of LEHVOSS (Shanghai) Chemical Trading Co.Ltd. and of LEHVOSS Russia | 
| 2015 | Complete acquisition of BIOPHIL Group; acquisition of WMK Plastics GmbH in Solingen, Performance Compounding Inc. in USA and Gee Lawson Ltd. in UK; foundation of LEHVOSS Korea | 
| 2016 | Foundation of LEHVOSS Kunshan, China as production company. Integration of the Biophil Group Companies and of Gee Lawson Ltd. into the local LEHVOSS Group Companies | 
| 2018 | Foundation von LEHVOSS Polska Sp. Z. o. o. and acquisition of Osthoff Omega Group in Norderstedt, Germany | 
| 2019 | 125th Anniversary; Commissioning of the new laboratory and pilot plant building | 
| 2021 | Foundation of a joint venture with Engredo in the Nordics and acquisition of GP2C in France | 
| 2023 | Relocation and expansion of the LEHVOSS Kunshan (China) production site; acquisition of Ashdowne Oil and Chemical in UK |