John Holland-Kaye said: 'This research shows just how many businesses across the UK are losing out because of the Government's restrictions on access to overseas visitors and markets.
Maamulaha Heathrow, John Holland-Kaye, ayaa yiri: "Cilmi baaristani waxay muujineysaa inta ganacsi ee ka jira guud ahaan Boqortooyada Midowday inay khasaarayso sababtoo ah xayiraadaha dowladda ee ku aadan soo booqashada shisheeyaha iyo suuqyada.