SBS Transit Ltd engages in public transport operations and consultancy services relating to land transport in Singapore. It operates through Public Transport Services and Other Commercial Services segments. The company offers basic, express, and city direct bus services; and rail services under the North East and Downtown lines, and the Sengkang and Punggol light rail transits to commuters traveling on public transport systems. It also provides advertising on buses, trains, bus interchanges, and rail stations; wheelchair-accessible bus services; and roadshow and shop spaces for rent at bus interchanges and rail stations. As of December 31, 2025, the company operated a fleet of 3,384 buses. The company was formerly known as Singapore Bus Services Limited and changed its name to SBS Transit Ltd in November 2001. The company was incorporated in 1992 and is based in Singapore. SBS Transit Ltd operates as a subsidiary of ComfortDelGro Corporation Limited.