Masabi Ltd. is a British technology company that develops and markets fare collection services for public transport systems.

The company's customers include public transit authorities in Calgary, Boston, London, Athens, Rome,[1] Madrid,[2] Adelaide,[3] New York,[4] Las Vegas,[5][6] Los Angeles,[7] Denver,[8] Ohio[9] and Japan.

[10] In 2012, the company launched the first ticketless rail system in the United States, for the Massachusetts Bay Transportation Authority.

[11] In January 2019 Uber announced that its "transit offering" had gone live in Denver with RTD, with in-app ticketing provided by Masabi using its Justride SDK.

[6][16] A further $20 million was raised in April 2019, led by Smedvig Capital, with participation from MMC Ventures and other investors.