Stena Line is a Swedish shipping line company and one of the largest ferry operators in the world. It services Denmark, France, Germany, the United Kingdom, Ireland, Latvia, the Netherlands, Norway, Poland, Finland and Sweden. Stena Line is a major unit of Stena AB, itself a part of the Stena Sphere. It is a sister company to one of the world's leading tanker company Stena Bulk.
Irish Ferries is an Irish ferry and transport company that operates passenger and freight services on routes between Ireland, Britain and Continental Europe, including Dublin Port–Holyhead; Rosslare Europort to Pembroke as well as Dublin Port-Cherbourg in France.
P&O Ferries is a British shipping company that operates ferries from United Kingdom to Northern Ireland, and to Continental Europe. The company was created in 2002 through mergers and acquisitions within P&O. It has been owned by Dubai-based DP World since 2019.
P&O Irish Sea was the trading name of P&O Ferries in the Irish Sea from 1998 to 2010, when it was rebranded P&O Ferries.
The MS Finbo Cargo is a roll-on/roll-off passenger ferry that was previously called the European Endeavour which was owned and operated by P&O Ferries until May 2019. Eckerö Line purchased the ship from P&O in 2019 and is expected to take delivery in June 2019 and renamed her MS Finbo Cargo.
Seatruck Ferries was a UK-based freight-only ferry company which commenced services in 1996. It became a subsidiary of CLdN and was absorbed into the Luxembourg-based parent's overall brand as CLdN RoRo in February 2024. It operated out of four ports on the Irish Sea, including Heysham and Liverpool.
MV CTMA Voyaguer 2 is a freight ferry built in 1998, owned and operated by Coopérative de Transport Maritime et Aérien (CTMA) on the Souris to Cap-aux-Meules route.
MS GNV Antares, originally the MS Norsun and then MS Pride of Bruges, is a ship operated by Grandi Navi Veloci.
MS Isle of Inishmore is a ro-ro ferry owned by Irish Ferries and operated on their Dover-Calais service. At the time of her introduction, she was the largest car ferry operating in Northern Europe. She is named after Inishmore, the largest of the Aran Islands. The name of the ferry is tautologous, since "Inishmore" derives from the Irish for "big island". Despite not being sister ships, the ship's design is copied from the Stena Line vessel Stena Jutlandica up until the superstructure.
Stena Nordica is a ro-pax ferry owned and operated by Stena Line.
MS UR is a roll-on/roll-off freight ferry built in 2009 owned by Arab Bridge Maritime. She was owned by Clipper Group and has been chartered to a number of operators.
Helliar is a ferry owned by Caledonian Maritime Assets and operated by NorthLink Ferries. Built by Astilleros de Huelva in Spain in 1997 as Lehola for the Estonian Shipping Company she has served a number of owners and operators as RR Triumph and Triumph before her sale to Clipper Group and being renamed Clipper Racer. In 2011, she was chartered to NorthLink Ferries and renamed Helliar.
MS ANT 1 was a ro-ro ferry operated by Stena Line between Larne, Northern Ireland and Fleetwood, England. The ferry did not carry passengers, insteading solely carrying freight.
MS Pride of Hull is a Bahamas registered passenger and cargo roll-on/roll-off cruiseferry in service with P&O North Sea Ferries on the Hull – Rotterdam route.
MS Blue Carrier 1 is a ro-ro ferry built in 2000 for Norfolkline BV and now operates in the Aegean Sea for Blue Star Ferries.
MS Seatruck Performance is a ro-ro freight ferry that entered service with Seatruck Ferries April in 2012.
MS Norbay is a ro-pax vessel owned by the British ferry company P&O Ferries and currently chartered to Irish Ferries. She was built by Van Der Giessen-de Noord N.V., Netherlands in 1994.
MS Norcape was a ro-ro freight vessel built for the British ferry company P&O Ferries. She was built in 1979 by Mitsui Engineering & Shipbuilding, Japan as Puma. Later that year, she was renamed Tipperary and began service with B&I Line, operating between Liverpool and Dublin. After 10 years she was transferred to P&O North Sea Ferries and renamed as Norcape. She was laid up in Liverpool in 2010 before going to refit and transferring to the Larne Troon route. She was sold for scrap following a grounding in Troon and cut up in Aliağa, Turkey.
MS European Envoy was an Iceclass III Ro-Ro Passenger Ferry vessel.
Strait Feronia is a passenger, freight and vehicle or ROPAX ferry owned and operated by StraitNZ as part of its Bluebridge subsidiary. The ship is a twin of MS Liverpool Seaways. The vessel was initially named Mersey Viking and saw service in the Irish Sea, eventually being renamed Dublin Viking and then Dublin Seaways. The vessel was acquired by the Stena Line and renamed Stena Feronia and saw service between Tangier and Algericas and later between Kiel and Gothenburg.
Netherlands 
