The centre, which is also a farm shop, has already started fundraising for the organisation by placing collection tins at its tills.
The family-run business is hoping to raise thousands of pounds to keep the ambulance flying.
Garsons charity coordinator Rachael Rogers said: ‘As well as voluntary donations from our wonderful customers, some of the staff are already planning exciting events that will make a real difference.’
Rachel Leaman, head of income generation at HIOWAA said: ’We are extremely grateful that Garsons has chosen to support us.
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‘It costs in excess of £9,000 a day to maintain our life-saving service. It is only thanks to the generosity of businesses like Garsons and their customers that we are able keep the Air Ambulance flying and saving lives.’