Kelsian Group Limited, formerly SeaLink Travel Group, is an Australian public company that operates transport services in Australia, the Channel Islands nations of Guernsey and Jersey and Singapore.

[2] SeaLink has also purchased specialist travel companies, managing the Adelaide Central bus station, operating the SkyLink Adelaide Airport Shuttle Service and a coach operation.

[5] In November 2015, SeaLink acquired Transit Systems marine operations, which includes:[6] In February 2016, the Captain Cook Cruises Western Australia business was purchased.

[7] In October 2019, the company announced the acquisition of the remaining business of Transit Systems for $635 million.

[19][20] In January 2023, Perth based Horizons West was purchased with 138 vehicles.