Many of them, though, are also owned by foreigners.
For some "British" brands, it's well-known they have foreign owners. Many people are aware that Harrods was bought by Qatar Holdings in 2010, and before that it was owned by the Fayed brothers of Egypt.
But others are more discreet about their proprietors. Occasionally Brits even fight for their companies to stay in British hands, like when MPs went to bat against Kraft's takeover of Cadbury in 2011.
Stefano Pozzebon compiled the earlier version of this report.