It is home to the head office of George Weston Limited and subsidiary Choice Properties REIT.

Designed by architect Leslie Rebanks, the Wittington Tower is a 20-storey octagonal structure located at 22 St. Clair Avenue East.

Wittington Investments Limited, the Weston family's holding company, also has its offices within the building.

Because of the different light-reflecting qualities of the two materials, this creates an interesting dichromatic contrast under different daytime lighting conditions.

"The entrance has a dramatic octagonal stalactic ceiling, growing naturally out of the building module.