French tricolore flag flies on board a Brittany Ferries roll-on / roll-off car and vehicle ferry on 26th September 2021 in Roscoff, Brittany, France. Brittany Ferries is the trading name of the French shipping company, BAI Bretagne Angleterre Irlande S.A. founded in 1973 by Alexis Gourvennec, that operates a fleet of ferries and cruise ferries between France and the United Kingdom.