This is a list of currentbus andcoach operators of theUnited Kingdom, includingpublic 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. These groups are all focused on transport. Some of them also run rail services, express coach services and overseas transport companies.
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 seeMunicipal bus companies.
In London, a variety of companies run buses under contract toLondon Buses. They are:

InNorthern Ireland most bus services are operated by government-ownedTranslink through their subsidiaries:
Some cross-border services are operated byBus Éireann.
UK express coach operators include: