Founded in 1964 as a joint venture between Onesimus Dorey & Sons and Commodore Shipping, the latter become sole owner in 1983. Absorbed rival British Channel Island Ferries in 1994. The shipping operations of Commodore Ferries were rebranded under Condor Ferries in 2004. Brittany Ferries became a minority owner in 2019, before becoming sole owner in 2025 when all services were rebranded as Brittany Ferries.