Entropay is a wholly-owned subsidiary of Ixaris Group Holdings Limited. Entropay is registered in England and Wales, with com ... pany number 04072405 and registered office at 2 Stephen Street, London, W1T 1AN. Entropay is authorised by the Financial Conduct Authority under the Electronic Money Regulations 2011 (FRN No: 900800) for the issuing of electronic money. To find out more about the Ixaris group, please visit Ixaris.com. To contact us about Entropay's consumer product, discontinued on 1st July 2019, please send an email to support@entropay.com. read more