The EY Tower is a skyscraper in Toronto, Ontario, Canada at 100 Adelaide Street West. The building was designed by Kohn Pedersen Fox and WZMH Architects.

Oxford Properties is a Canadian multinational corporation, with operations in real estate investment, development and property management. Its portfolio includes office, retail, industrial, multi-residential, life sciences and hotel assets. Established privately in 1960 and later wholly owned by the Ontario Municipal Employees Retirement System (OMERS) since 2003, the company is headquartered in Toronto with regional head offices in New York City, London, Australia, Singapore and Luxembourg. The organization has 2,000+ employees and approximately C$70 billion of assets that it manages for itself and on behalf of its investment partners. Oxford's owned portfolio represents more than 150 million square feet in key cities and high-growth hubs. Some of its most notable properties include Hudson Yards, Yorkdale Shopping Centre, Fairmont Banff Springs Hotel, Olympic Tower and Sony Center. Oxford also owns a portfolio of luxury hotels in Canada as well as rental residential units in Canada and the US.