Quercus

Quercus belongs to Lagardère SA through Hachette UK Limited → Hachette Livre SA. Quercus is owned by Lagardère SA, headquartered in France. No. The ultimate owner of Quercus, Lagardère SA, is headquartered in France, not in the United States.

Lagardère is a French multinational conglomerate with a significant global presence in book publishing and travel retail. Its publishing division, Hachette Livre, is one of the largest trade publishers in the world.

Hachette UK