Kelsian Group Limited provides land and marine transport, and tourism services. It operates through four segments: Marine and Tourism, Australian Bus, International Bus, and Corporate. The Marine and Tourism segment operates vehicle and passenger ferry services, barging, coach tours and package holidays, lunch, dinner, charter cruises, and accommodation facilities. The Australian Bus segment operates metropolitan public bus services on behalf of governments in Sydney, Melbourne, Perth, Adelaide, and Stradbroke Island; regional and remote bus services; and charter bus services in the Northern Territory. The International Bus segment operates metropolitan public bus services on behalf of governments in the channels islands, the United Kingdom, and Singapore; and charter motorcoaches for corporates, local and federal government, and education sectors in the United States. The Corporate segment provides finance, sales and marketing, information and technology, business development, fleet management, health and safety, and administration and risk management support services. It operates 5,800 buses, 124 vessels, and 24 light rail vehicles. The company was formerly known as SeaLink Travel Group Limited and changed its name to Kelsian Group Limited in November 2021. Kelsian Group Limited was founded in 1989 and is headquartered in Adelaide, Australia.