Business Tax Services

Support and Guidance

We encourage you to use the quick links to the right for helpful guidance, Finance Memoranda, Statements of Audit Procedure, Frequently asked questions and more.

If you need additional support about a business income or excise tax or a policy or procedure, please contact us using any of the methods below. We also invite you to submit topics related to the City’s business income or excise taxes that need further explanation.

Getting Help

  • Call 311 or 212-NEW-YORK or 212-639-9675 (Out-of-City) and ask for "Business Tax Services"
    TTY 212-639-9675 (Hearing Impaired)
  • Contact Business Tax Services for questions about a specific tax type
  • Contact Corporate Tax Reform Help for general corporate tax questions