P&O Short Sea Ferries Limited
Registered Number: 03291852

P&O European Ferries (Irish Sea) Limited
Registered Number: 00318227

P&O North Sea Ferries Limited
Registered Number: 00809079

P&O European Ferries (Portsmouth) Limited
Registered Number: 0031827

Registered office for all four companies:
Channel House
Channel View Road
Dover, CT17 9TJ