Canary Wharf is a major business district in London, within the London Borough of Tower Hamlets. It is one of the United Kingdom's two main financial centres – along with the City of London – and contains many of Europe's tallest buildings, including the second-tallest in the UK, One Canada Square.

Canary Wharf contains around 16,000,000 square feet (1,500,000 m2) of office and retail space, of which around 7,900,000 square feet (730,000 m2) (about 49%) is owned by Canary Wharf Group. Around 105,000 people work in Canary Wharf, and it is home to the world or European headquarters of numerous major banks, professional services firms, and media organisations, including Barclays, Citigroup, Clifford Chance, Credit Suisse, EY, Fitch Ratings, HSBC, Infosys, J.P. Morgan, KPMG, MetLife, Moody's, Morgan Stanley, RBC, Deutsche Bank, S&P Global, Skadden, State Street, and Thomson Reuters.

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