It houses Citigroup's EMEA headquarters and is located in Canary Wharf in the city's Docklands.

[2] Designed by César Pelli & Associates, construction of the 45-storey tower - undertaken by Canary Wharf Contractors[3] - began in 1998 and was completed in 2001, with Citigroup leasing the building from the outset.

33 Canada Square, is the smaller of the two buildings in the complex, designed by Norman Foster and completed in 1999, two years before its neighbour.

In addition to main entrances from both Canada Square and Upper Bank Street, Citigroup Centre is also accessible via underground walkways from Canada Place shopping mall and Canary Wharf London Underground station - served by the Jubilee line.

[1] By January 2025, refurbishment costs had escalated to over £1bn; work on site started in July 2023 with completion expected in 2026.