About
Poseidon Navigation Services Ltd provides digital solutions such as Challenger software (for weekly updates, voyage planning, and instant licensing), ChallengerShield for cyber security, ADMIRALTY Digital Publications, ADMIRALTY Electronic Nautical Publications, ADMIRALTY Vector Chart Service, Witherby Connect, IMO digital titles, and more. The company also supports traditional navigation with paper charts and publications, offering bespoke services to clients. Registered in the UK (Reg number: SC471851, VAT number: 189 4434 65).
