The Barclays Group is based in One Churchill Place, Canary Wharf.Barclays plc is a global British financial services firm operating in Europe, North America, the Middle East, Latin America, Australia, Asia and Africa. It is a holding company that is listed on the London and New York stock exchanges, and was listed on the Tokyo Stock Exchange until 2008. It is also a constituent of the FTSE 100 Index.

Barclays PLC is ranked as the 25th largest company in the world by Forbes Global 2000 (2008 list) and the fourth largest financial services provider in the world by Tier 1 capital ($32.5 billion). According to Datamonitor, by market share, Barclays is the largest financial services provider globally with $3.7 trillion of assets. It is the second largest bank in the United Kingdom and the world based on asset size. Its share price fell by 90% in the year to 23 January 2009, but has recovered substantially, leaving it higher as of 3 September 2009 than it had been a year before.

The bank's headquarters are at One Churchill Place in Canary Wharf, in London's Docklands, having moved there in May 2005 from Lombard Street in the City of London.