In an expansion move, RZO LLC relocated from 110 West 57th St. and signed a 15-year lease for a new 12,250-square-foot office at the Fisk Building, 250 West 57th St. The aggregate value of the lease is in excess of $6.5 million, according to Mark Lauzon of Cushman & Wakefield. Occupancy is slated for the end of the summer.

RZO provides business management, accounting and tour production services to leading music industry figures. Its high-profile clients include David Bowie, Mick Jagger, Shakira, Sting and U2.

Constructed in 1921 to house the offices of the Fisk Tire & Rubber Co., the Fisk Building is home to many of the city's key players in the arts and entertainment industry. Some of its prominent tenants include Al Roker Productions; the American Theatre Wing, the founder and co-presenter of the Tony Awards; and Merchant Ivory Productions.

Stephen Sunderland, managing director of Optimal Spaces, Inc. represent RZO. Lauzon represented the landlord, Fisk Building Association.