List of current bus operators of the United Kingdom

:"This list is a structured list of current operators, for an alphabetically ordered index of current and former operators, see List of bus operators of the United Kingdom"

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

Large groups

Most bus services in the United Kingdom are run by the Big 5, five large groups of companies which emerged in the 1990s from the consolidation of bus companies privatised in the 1980s. These groups are all focussed on transport. Some of them also run rail services, express coach services and overseas transport companies.

They are:
* Arriva
** "See" List of Arriva bus companies
* First Group
** "See" List of First UK bus companies
* Go-Ahead Group
** "See" List of Go-Ahead bus companies
* National Express Group
** "See" List of National Express UK bus companies
* Stagecoach Group
** "See" List of Stagecoach UK bus companies

Foreign-owned groups

A number of large foreign companies have entered the UK bus market. Their UK bus operations are not yet large, but they are growing.

* ComfortDelGro Corporation, of Singapore
** "See" ComfortDelGro UK bus companies
* Transdev, of France
** "See" List of Transdev UK bus companies
* Veolia Transport, of France
** "See" List of Veolia UK bus companies

Other bus groups

* Rotala, operating as Connect Buses
**Flights Hallmark
* Centrebus
**Bowers Coaches
* Centrebus Holdings (Formed in May 2008 as a 60:40 joint venture between Centrebus shareholders and Arriva to acquire Stagecoach Huddersfield and K-Line)
**K-Line
**The Huddersfield Bus Company

Municipal operators

For a list of the remaining local-government owned bus companies see Municipal bus companies.

London

In London, a variety of companies run buses under contract to London Buses. They are:
* companies owned by four of the Big 5:
**Arriva London
**First London
**Go-Ahead Group (London Central and London General)
**National Express (Travel London)
* companies owned by two foreign-based groups:
**ComfortDelGro (Metroline)
**Transdev London
* subsidiaries of diversified groups:
**Macquarie Bank (East London and Selkent)
**NCP Services Ltd (NCP-Challenger)
* social enterprises:
**CT Plus
**Ealing Community Transport
* Government owned, via Transport for London:
**East Thames Buses
* Independent companies:
**Quality Line
**Sullivan Buses

Northern Ireland

In Northern Ireland most bus services are operated by government-owned Translink through their subsidiaries:
*Metro (formerly Citybus)
*Ulsterbus

Independent companies

England

*AMK Mini Coaches
*Anglian Bus
*Avon Buses
*The Big Lemon
*Bluebird Bus & Coach
*Blue Bus of Penwortham
*Blue Bus of Staffordshire (Scraggs Motors)
*Brijan Tours
*Buglers
*Bullocks Coaches
*Cavendish Motor Services
*Centrebus
*Centrebus Holdings
*Clintona Minibuses
*Coastal Coaches
*Compass Bus
*Connect2Wiltshire
*Cotswold Green
*Countryliner
*Countywide Travel
*Dales & District
*Darwen Coach Services
*Delaine Buses
*East Yorkshire Motor Services
**Finglands Coachways
*Emsworth and District
*Felix Bus Services
*Hardings coach company
*Halifax Joint Committee
*Hedingham Omnibuses
*Holderness Area Rural Transport (H.A.R.T.)
*Hulleys of Baslow
*Imperial Buses
*JP Travel
*Jim Stones Coaches
*John Fishwick and Sons
*King Travel
*K-Line
*Konectbus
*MASS Engineering
*Mountain Goat Ltd
*NIBS
*Norfolk Green
*Nu-Venture
*Preston Bus
*Regal Busways
*Renown Coaches
*Safeguard Coaches
*Sargeants of Kington
*Southdown PSV
*South Lancs Travel
*Speedwellbus
*Stansted Transit
*Stephensons of Essex
*Sunray Travel
*Teamdeck
*Thames Travel
*Timebus Travel
*Travel De Courcey
*Trent Barton
*Trustline
*Uno (bus company)
*Velvet
*Wilfreda Beehive

Scotland

*Ayrshire Bus Owners (A1 Service)
*Blue Bus of North Lanarkshire (Law of Shotts)
*McKindless
*West Coast Motors
**Glasgow Citybus

Wales

*Edwards Coaches
*GHA Coaches
*George Edwards and Son
*Lloyds Coaches
*Tanat Valley Coaches

Tour bus companies

*City Sightseeing
*The Big Bus Company
*The Original Tour, part of Arriva

Express coaches

UK express coach operators include:
*EasyBus
*Green Line, part of Arriva
*Megabus, part of Stagecoach
*National Express
*Dot2Dot [http://www.dot2.com]
*Parks Motor Group (parent company of "Parks of Hamilton" & "Trathens")
*Scottish Citylink