|Former names||World Finance Plaza|
|Location||Meralco Avenue corner Onyx & Sapphire Streets, Ortigas Center, Pasig, Philippines|
|Owner||Union Bank of the Philippines|
|Roof||206 m (675.85 ft)|
|Floor count||49 aboveground, 6 belowground|
|Design and construction|
|Architect||Recio + Casas Architects, RTKL Associates (design consultant)|
|Developer||Union Properties, Inc.|
|Structural engineer||Ove Arup & Partners, G.E. Origenes & Associates|
UnionBank Plaza is an office skyscraper located in Pasig, Philippines. It rises 206 metres (676 feet) from ground level to roof, and is currently the tallest complete building in Pasig City, and the 10th-tallest building in the country and Metro Manila as well. The building has 49 levels above ground, and 6 basement levels.
True to its name, the bank serves as the headquarters for Union Bank of the Philippines, the seventh-largest bank in the Philippines in terms of assets. Other tenants of UnionBank Plaza include major business process outsourcing companies, like Sykes Enterprises, Branders.com, PCCW, among others. However, the building's main tenant, UnionBank, also maintains some executive offices at the SSS Building in Makati.
Design and construction
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".
UnionBank Plaza was designed by renowned Filipino architectural firm Recio & Casas, with American architectural firm RTKL Associates as its design consultant. The structural design of the building was handled by British engineering group Ove Arup & Partners in cooperation with local engineering group G.E. Origenes & Associates. Project Management was handled by Union Properties, Inc. headed by Arch't. Cynthia V. Razon with her staff, Arch't Contrino del Carmen, Eng'r. Carlo Salvatierra and Arch't Angelo Torres. Construction Management works were undertaken by Jose Aliling & Associates, a well known project management company in the Philippines.
The building has an 8-level concrete podium as its base, while its main body is fully clad with aluminium unitized curtain wall. It has a distinctive design of having multiple corners, making it easily recognizable among the buildings in Ortigas Center.
The building is stands along Meralco Avenue, cornered by two smaller streets namely Onyx and Sapphire Streets in Pasig, Philippines, and is within the Ortigas Center central business district. It is a few blocks away from other major office and residential buildings in the area, as well as large shopping malls like Robinsons Galleria and the high-end The Podium mall. It is also a few meters away from Metrowalk, a well known cluster of bars and restaurants.
The building has a 6-level basement and 7-level aboveground level parking  for its tenants and guests, and has a helipad in the rooftop. The building features an executive skylounge at the 47th floor. Other amenities of the building include function rooms, a health club, restaurants, and a spacious food court.