c't

c't belongs to Heise Gruppe GmbH & Co. KG through Heise Medien GmbH & Co. KG. c't is owned by Heise Gruppe GmbH & Co. KG, headquartered in Germany. No. The ultimate owner of c't, Heise Gruppe GmbH & Co. KG, is headquartered in Germany, not in the United States.

Heise Gruppe is a German family-owned media group known for its technical publications, directories, and digital services, primarily operating under the name Heise Medien.

F&L Media (Dutch publisher)