Printable Complaint Form. You can report a problem with a financial institution.Online File a complaint with the New York State Department of Financial Services. Forms ; Complaint Verification. PDF ; Summons with Notice. Ways to File a Consumer Complaint Online: Submit your complaint online. Note: You do NOT need to create an account to file a complaint with DCWP. Learn where to file a complaint about banking and investment products, retirement plans, and the companies and professionals that offer them. We will forward your complaint directly to this company and ask for a response. File a verified petition with notice of petition, or order to show cause in the Supreme Court.