[2] Initial announcements of 360 Main were that it would be the office component of the larger Winnipeg Square development by Trizec Corporation, comprising a 20-storey office tower for Scotiabank headquarters costing $7.5 million and an underground parkade-office-hotel structure costing $14.8 million.

[3][6] The tower was purchased from Oxford Properties Group and GE Capital Canada Inc in September 2007 by Crown Realty Partners, a Toronto-based company.

[8] 360 Main is currently owned by Artis REIT, a real estate investment trust from Winnipeg.

[10] Originally the purpose of 360 Main St. was to house the Winnipeg Commodity Exchange and associated trading companies and government departments.

As of September 2021[update], major tenants of 360 Main include BMO Nesbitt Burns, Canada Revenue Agency, Canadian National Railway, Deloitte, Ernst & Young, Microsoft Canada, Solicitor General, TD Bank, and TD Wealth, among others.