The partners of Primework are among the principal private investors in On the Green, one of the largest REITs in New York.

The company has interests in approximately 60 buildings, including the fifth tallest building in the United States, located in the city's most prestigious areas, such as Park Avenue, Madison Avenue and Fifth Avenue, with a total of more than 3 million square metres under direct ownership. On the Green is one of the largest REITs in the United States, distinguished by its exclusive concentration not only in Manhattan, but specifically in its most prestigious neighbourhoods.

Its main tenants include companies such as Giorgio Armani, Nike, Prada, Franklin Templeton and IBM, among many other equally prestigious firms.

Its investment philosophy and strategy are closely aligned with those of Primework, making it a long-term investment with significant potential for future collaboration.