Diamine

Diamine is owned by Diamine-Speciality Inks Limited, headquartered in the United Kingdom. No. The ultimate owner of Diamine, Diamine-Speciality Inks Limited, is headquartered in the United Kingdom, not in the United States.

Diamine-Speciality Inks Limited is a long-standing British manufacturer specializing in high-quality fountain pen, calligraphy, and drawing inks. It is one of the few remaining independent ink producers in the UK.