Simonsen Sussman LLP is a Foreign Limited Liability Partnership registered in the state of DC. The business was filed on 06/17/2025 and is currently listed as Active - In Good Standing. The official file number for this entity is C00008443462. The registered agent on file is Osi Management, Inc., located at 1629 K Street NW, Washington, DC, 20006. The principal office address is located at 307 West 38th Street, New York, NY, 10018.