List of companies based in London

London is the capital city of England and the United Kingdom.

With an estimated 8,308,369 residents in 2012, London is the most populous region, urban zone and metropolitan area in the United Kingdom.

[1] The city generates approximately 20 per cent of the UK's GDP;[2] while the economy of the London metropolitan area—the largest in Europe—generates approximately 30 per cent of the UK's GDP.

[3] London is one of the pre-eminent financial centres of the world and vies with New York City as the most important location for international finance.

London is home to 10 Global Fortune 500-ranked corporations[6]

Canary Wharf is a major business and financial centre and is home to some of the UK's tallest buildings.
Broadcasting House in London is the headquarters and registered office of the BBC .
Waterside, the head office of British Airways
Floris of London is the oldest English retailer of toiletries and accessories and second oldest in the world after Farina gegenüber of Cologne , Germany.
GSK House, the current world headquarters of GSK in Brentford , London
8 Canada Square , the world headquarters of HSBC in Canary Wharf , London
A Marks & Spencer store in the Westfield London shopping centre
A National Grid van working in central England
Royal Mail , headquartered in London, operates the Royal Mail Mount Pleasant Sorting Office (pictured), London's largest mail sorting office.
Sainsbury's headquarters at Holborn Circus , in Holborn London
The Shell Centre building in London. Shell plc is headquartered in London at the Shell Centre.
Informa headquarters in London
Unilever House in London, the headquarters of Unilever