As one of only six airports worldwide with more than 50 long-haul routes, the Chambers believe that only an expanded Heathrow is capable of keeping Britain at the heart of the global economy.
It will do this, they claim, by continuing to put on the flights that drive tourism and inward investment and connect British business to the fast growing markets in Asia and South America.
Heathrow CEO, John Holland-Kaye, says: “More and more people across the UK are recognising the critical role Heathrow plays in the success of the British economy.
“Business is telling the Commission that Heathrow is geographically in the best location, is the only airport that can deliver flights to the world's growth markets and the only option that has exports front and centre of its expansion plans.
“With over 25% of all British exports going through Heathrow, compared to only 4% at Gatwick, businesses up and down the country are making it clear that Heathrow is the only option that can help Britain with the race for growth.”
The Chambers called on businesses across the UK to support Heathrow during the Airports Commission’s national consultation or risk the UK falling behind European hub rivals.
The airport claims that ensuring the whole of the UK is connected to growth is central to its expansion proposals.