Allessa is a major European custom and toll manufacturer of fine chemicals with more than 100 years of experience in the synthesis of small molecules and polymeric substances.
We offer a broad variety of technologies and complex synthetic capabilities in our flexible multipurpose plants (for example low-temperature, organometallics and high pressure chemistry).
Both companies, Allessa GmbH and Allessa Produktion GmbH operate from three production facilities at the Rhine-Main area, Frankfurt-Fechenheim, Frankfurt-Griesheim and Frankfurt-Höchst. Allessa operates the Frankfurt-Fechenheim site also as a industrial park. Numerous companies utilize the excellent infrastructure and the comprehensive service portfolio.
- Boronic acids chemistry
- Grignard chemistry
- Low temperature chemistry
- Suzuki coupling
Allessa is ISO 9001, 14001 and 50001 certified.
|1870||Foundation of Frankfurter Anilinfabrik von Gans und Leonhardt in Fechenheim|
|1879||The Fechenheim site Hosts the world´s largest Azo dye production plant|
|1925||Foundation of I.G. Farben|
|1952||Foundation of Cassella Farbwerke Mainkur AG|
|1996||Acquired by Höchst AG|
|1997||Foundation of Clariant AG|
|2001||Foundation of AllessaChemie GmbH|
|2004||Foundation of AllessaSyntec GmbH|
|2012||AllessaChemie and AllessaSyntec Team up to form Allessa GmbH|
|2013||Acquired by ICIG, integrated into WeylChem Group of Companies|