Other tenants of UnionBank Plaza include major business process outsourcing companies, like Sykes Enterprises, Branders.com, PCCW, among others.

Originally the building is owned and developed by Megaworld Corporation, and was known as the World Finance Plaza, but during construction the project was taken over by Union Properties, Inc., the real estate arm of Union Bank of the Philippines, and was renamed "UnionBank Plaza".

[3] The building has an 8-level concrete podium as its base, while its main body is fully clad with aluminium unitized curtain wall.

[5] The building has a 6-level basement and 7-level aboveground level parking [3] for its tenants and guests, and has a helipad on the rooftop.

Other amenities of the building include function rooms, health club, restaurants, and food court.