Cleaning competence

A thorough interior cleaning service for your tanks

cotac offers interior cleaning, exterior washing and ensuring proper cleanings at all locations. On request and as required we can offer customer-specific pre- and post-treatment cleanings, e.g. H2O2 rinsing. The removal of residues from the chemical, petrochemical, pharmaceutical and food industries is done at all cotac stations. If you have any further questions about our special services for such industries please contact our central service department or the local contact person at a cotac location. For all other inquiries concerning cleaning road tankers, gas containers or CIP processes please also contact the central service department.

National inter-trade organisation, Europe-wide.

cotac is represented in the national inter-trade organisation in Germany, France, Belgium and The Netherlands. cotac Germany is a member of the DVTI (Deutscher Verband für Tankinnenreinigung e.V.). cotac Belgium is represented in the CTC association (COMMISSIE TANK CLEANING vzw), in the ATCN (Association of Tankcleaning Companies Netherlands) in The Netherlands and in the APLICA (Association Professionnelle des Laveurs Intérieurs de Citernes Agréés) in France.

Kosher cleaning

With immediate effect we offer you at all cotac locations certificated Kosher cleanings. Depending on the requirements of the customer we will implement the special method within the cleaningprocedure and certify that.
If you are interested in a corresponding offer, please contact us: info(at)

Download the current Kosher certificate