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Flags of various P&O subsidiary shipping lines | P&O Heritage

Shipping Companies

P&O acquired over 40 different shipping lines worldwide -
find out more in our brief company histories.

Shipping Company Histories

Learn more about selected shipping companies owned by P&O and how to further your research. 


CADIZ in Chinese waters

P&O Collection

We have a unique collection of over 25,000 items. Browse our galleries and exhibitions online.

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Documents from the P&O Archive

P&O Archive

Search our online database of nearly 2,500 ships.

Our Family History research guides will point you in the right direction and help you on your way.

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