New York's Fifth Avenue jeweller Tiffany & Co is to make The Shard its new UK headquarters.
"We are delighted to be able to offer our UK staff a world-class office environment within this vibrant and burgeoning district of London," said UK managing director Barratt West.
The Shard's developer Irvine Sellar said: "This latest letting confirms The Shard’s appeal to major global brands and we welcome Tiffany to Europe’s first vertical city."
Tiffany & Co, which has a nearby office in addition to its main Old Bond Street address, joins Al Jazeera television which started moving into The Shard last week.
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