Elan Financial Services
Elan Financial Services. Elan financial services is a company that works with banks and credit unions to issue credit cards. American express is a federally registered service mark of american express and is used by elan financial services pursuant to license. The creditor and issuer of these cards is elan financial services, pursuant to a. American express is a federally registered service mark of american express and is used by elan financial services pursuant to license. Elan financial is a credit card issuer that services banks and credit unions.