NEW YORK—Stark Business Solutions Inc., a provider of turnkey executive office suites in New York City, Fairfield and Westchester, has signed a 12,715-sq.-ft. extension to its already-occupied 25,447-sq.-ft. lease at W&H Properties’ One Grand Central Place, which is supervised by Malkin Holdings LLC.

Erik Goldschmidt of Goldschmidt & Associates represented Stark in the lease negotiations, while William Cohen, Ryan Kass and Julie Christiano of Newmark Grubb Knight Frank represented the landlord.

Located across from Grand Central Terminal, One Grand Central Place offers direct, in-building access to Grand Central. The property, which stands 55 stories tall, offers tenants a visitor center, conference center and tenant messenger center. The property has undergone $85 million worth of upgrades to its windows, elevators, HVAC and security systems.