This idea has been merged into another idea. To comment or vote on this idea, please visit S1-I-788 Improve: Contacts - Customer & Suppliers tabs : limited space, poor layout in notes & no options to save information related files, pdfs etc....
This could be used to aid credit check facilities as it is a requirement, especially if importing the information by file, yes you can add it to the notes section but with other notes it is not easy to separate out.