About Us To provide high quality, outstanding immigration/visa/Green Card representation and services to corporate and individual clients nationwide. Main office located at 415 Madison Avenue, 14th floor (Ste# 1418), New York, NY 10017, office hot line number 718-213-5700, Long Island office phone number 631-584-0000. Admitted in New York, State and Federal Courts, immigration filings and representation nationwide and globally.