- Sale of frechverlag (Stuttgart) to Penguin Random House
- Sale of INFO-TECHNO Baudatenbank (Mondsee) to Olmero, Swiss tender platform
- Lernwerkstatt Olten has now taken over the portfolio of TA in Lucerne
In 2020 the WEKA Firmengruppe was completely taken over by the private, owner-managed investment company Paragon Partners.
Merger and Acquisition of the majority of AGROBASE / Lexagri (Saint-Julien-en-Genevois) by WEKA France
Foundation of WEKA Netherlands in Amsterdam
Foundation of WEKA Italy in Milan
Delivery of the first up-to-date reference book via direct sales and book shops