What is Prometheum Inc.? 19 January 2024 16:43 Updated Prometheum Inc. is the parent company of two broker-dealers: Prometheum ATS: an automated trading system Prometheum Capital: a special purpose broker-dealer Related articles What does Prometheum Capital do? What digital asset securities do you support? What are digital asset securities? Do I need to be a U.S. entity to have a Custodial Account with Prometheum? What is the customer support email address?