Kelsian Group Limited provides land and marine transport and tourism services in Australia, Singapore, and the United Kingdom. It operates through Marine & Tourism, Australian Bus, and International Bus segments. The Marine & 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 Darwin. The International Bus segment operates metropolitan public bus services on behalf of governments in London and Singapore. The company also provides finance, sales and marketing, information and technology, business development, fleet management, health and safety, and administration and risk management support services. It operates 4,134 buses, 115 vessels, and 24 light rail vehicles, as well as 1,125 buses comprising 297 electric vehicles in London. 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.