Montblanc International is a German manufacturing company of luxury goods, based in Hamburg. Montblanc produces a wide range of products, including goods for travel, writing implements, watches and jewellery, among other products. Today, Montblanc forms part of the Richemont group. Its sister companies include luxury brands Cartier, Van Cleef & Arpels, Chloé, and Baume et Mercier. Montblanc is owned, through Richemont, by the South African Rupert family.