Aquarian Holdings LP signed a lease with landlord Olayan Group’s 550 Madison Ave. for the landmarked “Chippendale” tower’s 75,000 square-foot, three-level penthouse, Realty Check has learned.

Where once stood Pratesi and Cartier are now fashion-Substacker favorites Toteme (829 Madison Ave.) and Khaite (828 Madison Ave.). Arche — French purveyor of orthopedic-adjacent shoes — is now ...

JPMorgan Chase (NYSE:JPM) is set to revamp its former headquarters at 383 Madison Avenue ... the bank's new global headquarters at 270 Park Ave. opens later in the year, Bloomberg reported ...

The IBM Building at 590 Madison Ave. has one of the finest amenities in the city: A 8,200 square-foot park-like atrium with a 65-foot high glass ceiling, with dozens of chairs and tables available ...

The Italian fashion house threw a glamorous soirée on Wednesday night to celebrate the opening of its new flagship at 695 Madison Ave. Designer Domenico Dolce, who co-founded the company with ...

The office giant is under contract to sell its stake in the 17-story office tower at 625 Madison Ave. for $632.5M, according to a news release. The sale is among the year’s biggest, with the ...

The two-hour conversation was filmed and split into three episodes. It’s called Black Madison Ave. “My thought was to give people access, to allow them to be a fly on the wall,” Geer tells me.