List of current bus operators of the United Kingdom

This is a list of current bus and coach operators of the United Kingdom, including public transport, private hire and tour operators.

Most bus services in the United Kingdom are run by the Big Five, five large groups of companies which emerged in the 1990s from the consolidation of bus companies privatised in the 1980s.

They are: A number of large foreign companies have entered the UK bus market, these include: For a list of the remaining local-government owned bus companies see Municipal bus companies.

They are: In Northern Ireland most bus services are operated by government-owned Translink through their subsidiaries: Some cross-border services are operated by Bus Éireann.

UK express coach operators include: