AS Tallinna Sadam, together with its subsidiaries, provides port services in the Republic of Estonia, Canada, and Great Britain. It operates through Passenger Harbours, Cargo Harbours, Ferry, and Other segments. The company owns, administers, and develops quays, port basins, and the surrounding areas; offers safe navigation in port waters; and organizes vessel traffic in port basins, as well as leases land to cargo operators. It also provides port services to passengers through Old City Harbour and Saaremaa Harbour; Cargo harbour services through Muuga Harbour and Paldiski South Harbour; and ferry services between Saaremaa and Hiiumaa islands. In addition, the company owns and operates the multifunctional icebreaker Botnica; and sells electricity and network services. AS Tallinna Sadam was incorporated in 1996 and is headquartered in Tallinn, the Republic of Estonia.