Is Europe good for London business?
14 May 2014 Last updated at 19:17 BST
The European elections are seen by some as a barometer of the way Londoners feel about the impact of the EU on the capital.
BBC London's political editor Tim Donovan has been gauging whether Europe is seen as being good or bad for business here - and in turn - good or bad for Londoners.
He spoke to Miroslaw Szejn of Market Mazury, Vinod and Gopesh Gopal of Everglade and Khatan Bhadreshwara of Pafax Printers.