For your convenience, we offer secure payment by electronic check. 

Due to processing fees, we do not accept credit cards.  Clients are welcome to pay online via ACH using the button below or by mailing  payment to our office.

If mailing a payment, please make checks payable to GSMK, LLC and mail to:


517 Grand St, Fl 1

New York, NY 10002


*Please use these instructions and the illustration below to ensure that your electronic check information is inputted correctly when you select the ‘Pay by Electronic Check’ option:

  • Do not use a deposit slip for the routing number. Use a check as the routing number is different and will not work.
  • Please check your information carefully before submitting it. In particular, note that the routing number is always nine digits.

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