Twenty operators handle Guernsey's external links — eleven scheduled passenger ferries, eight in freight, and the airline side anchored by Guernsey Airport (opened 1939) with Aurigny as hub carrier. Six run vehicle ferries, four high-speed catamarans, eleven the inter-island triangle. Fourteen limited companies; oldest 1866, newest 2025. —
Thirteen operators — eleven inter-island, eight to the UK or continent — bracketed by DFDS (1866) and Islands Unlimited (2025).
Seven operators across the air links — Aurigny the 1968 flag carrier, Loganair seasonal from Edinburgh, three charter outfits.
One firm per niche, picked for editorial depth.