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South West Water

South West Water Services Limited is a water supply and sewerage utility company serving part of south west England. It was originally formed by the Water Act 1973 as one of ten regional water authorities formed by a merger of various statutory and local authority water undertakings. South West Water was privatised in 1989, and is part of the Pennon Group.

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Southern Water logo

Southern Water

Southern Water is the utility responsible for wastewater collection and treatment in Hampshire, the Isle of Wight, West Sussex, East Sussex and Kent, and for water supply and distribution in the approximately half of this area.

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Affinity Water logo

Affinity Water

Affinity Water are the largest water-only supplier in the UK. They provide 900 million litres of water each day to a population of more than 3.5 million people in parts of Bedfordshire, Berkshire, Buckinghamshire, Essex, Hertfordshire, Surrey, the London Boroughs of Harrow and Hillingdon and parts of the London Boroughs of Barnet, Brent, Ealing and Enfield.

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Scottish Water logo

Scottish Water

Scottish Water is a state-owned company in Scotland that provides water and sewerage services to 2.2 million customers and 130,000 business customers.

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United Utilities

United Utilities provides clean, fresh water for about 7 million people and 200,000 businesses in the North West of England. They also take away and treat the North West’s wastewater helping keep the rivers and beaches clean.

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Thames Water logo

Thames Water

Thames Water is the UK’s largest water and sewerage company, serving 14 million customers across London and the Thames Valley.

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Irish Water logo

Irish Water

Irish Water is Ireland’s new national water utility. It has been tasked with bringing the water services of the 34 Local Authorities together into one national service provider, with the aim of reducing costs, generating economies of scale and increasing efficiencies. Over the coming months and years Irish Water will gradually establish the organisation and take over responsibility from the local authorities for the delivery of water and wastewater services to homes and businesses.

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A E S logo


AES is one of the world’s largest power companies and owns a growing and diverse portfolio of generation and distribution businesses. They operate in 29 countries on five continents and have a global workforce of 25,000.

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Bord Gáis

Bord Gáis Éireann (Bord Gáis) was established in 1976 and is a commercial State body operating in the energy industry. With over 630,000 gas and electricity customers, Bord Gáis employs approximately 900 staff and is headquartered in Cork, Ireland.

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Centrica logo


Centrica is the largest player in the UK Energy Retail Market. Under the British Gas brand in England, the Nwy Prydain and British Gas names in Wales, and Scottish Gas in Scotland, Centrica supplies gas and electricity to residential customers throughout Great Britain. Centrica Business Services (CBS) is the channel to market for the I&C and SME market.

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S S E logo

Scottish and Southern Energy

Scottish and Southern Energy incorporates the companies: Swalec, Southern Electric, Scottish Hydro Electric and Atlantic Electric and Gas.

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Affinity Water logo

Western Power

Western Power is a State Government owned corporation that builds, maintains and operates the electricity network in the south west corner of Western Australia. The Western Power Network forms the vast majority of the South West Interconnected Network (SWIN), which together with all of the electricity generators, comprises the South West Interconnected System (SWIS).

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E S B logo


Founded in 1927, the Electricity Supply Board (ESB) is a statutory corporation in the Republic of Ireland. It is 95 per cent owned by the Government of Ireland, with the remaining shares held by an employee share option trust.

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National Grid

National Grid plc is a United Kingdom based utilities company which also operates in other countries, principally in the United States. National Grid is dedicated to being the world’s premier network utility. Their core skills lie primarily in the management of large and complex energy delivery networks. They own, operate and develop the high-voltage electricity transmission network in England and Wales and Great Britain’s principal natural gas transportation system.

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N Power logo


npower are the retail arm of RWE npower, a leading integrated UK energy company, part of the RWE Group. RWE npower operates and manages flexible, low-cost coal, oil and gas-fired power stations and are developing innovative energy-related technologies. RWE Power International offer specialist services covering every aspect of owning and operating power plant, from construction, commissioning, operations and maintenance to eventual decommissioning.

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Scottish Power logo

Scottish Power

Scottish Power is an international energy company, made up of four businesses: Energy Retail, Energy Wholesale and Energy Networks in the UK and PPM Energy in the US. Through these businesses they provide electricity, transmission and distribution services in the UK; supply in excess of 5.2 million electricity and gas services to homes and businesses across the UK; and operate electricity generation and gas storage facilities in the UK, US and western Canada.

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E D F Energy logo

EDF Energy

EDF Energy is one of the UK’s largest energy companies and its largest producer of low-carbon electricity. EDF Energy is wholly-owned subsidiary of the EDF Group, one of Europe’s largest energy groups. It supplies electricity and gas to around 5.5 million residential and business customers, making it the biggest supplier of electricity by volume.

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E.ON logo


E.ON UK is a leading energy company in the UK. They are one of the UK’s leading energy suppliers, the second largest electricity generator in the UK and they own the second largest distribution network in the UK. They are part of E.ON; the world’s largest investor-owned power and gas company, which has its headquarters in Germany.

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U K Power Networks logo

UK Power Networks

UK Power Networks manages Britain’s biggest power networks, distributing electricity to more than eight million customers in London, the East of England and the South East. It employs over 5500 employees. The company is owned by the Cheung Kong Group (CKG) who took ownership in October 2010 following the sale by EDF Energy of its electricity distribution networks operation.

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Northern Gas Networks logo

Northern Gas Networks

Northern Gas Networks are the company responsible for distributing gas to homes and businesses across the north of England, an area covering West, East & North Yorkshire, the North East and northern Cumbria.
The gas network they look after comprises of 37,000km of gas pipes.

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Electricity North West

Electricity North West owns, operates and maintains the electricity distribution network and provides connection services throughout the North West of England.

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Corona Energy logo

Corona Energy

Corona Energy are a leading independent energy supplier to UK businesses delivering 11% of the Industrial and Commercial gas market across 11,000 customers. They supply gas and electricity to commercial, industrial and public sector clients across the UK.

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S G N logo


SGN manage the network that distributes natural and green gas to 5.9 million homes and businesses across Scotland and the south of England.

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London Underground Limited logo

London Underground Limited

London Underground Limited was formed in 1985, but its history dates back to 1863 when the world’s first underground railway opened in London. Today London Underground is a major business, with over 3 million passenger journeys a day, some 500 peak trains, 253 stations owned (275 served), over 12,000 staff and vast engineering assets. In May 2008 Metronet Rail transferred to Transport for London and in December 2008 all Metronet Rail employees TUPE transferred to London Underground.

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Mersey Travel logo


Merseytravel is the operating name of the Merseyside Passenger Transport Authority and Executive. Merseytravel co-ordinates public transport and acts in partnership with private bus and rail operators to provide public transport in Merseyside. Overall budget and policy responsibility rests with 18 Councillors from Merseyside’s 5 Districts who serve on the Authority. The Executive has a statutory role to advise the Authority and act as its “delivery arm”.

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Transport for London

Transport for London (TfL) was created in 2000 as the integrated body responsible for the Capital’s transport system. The primary role of TfL, which is a functional body of the Greater London Authority, is to implement the Mayor of London’s Transport Strategy and manage transport services across the Capital.

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Network Rail logo

Network Rail

Network Rail is an engineering company responsible for revitalising Britain’s railways. They do not run the trains, but their main customers are the train and freight operating companies who do. Network Rail’s task is to deliver a reliable and safe rail network. Safety is their primary concern and they are spending more than £6 billion to maintain, improve and upgrade every aspect of the railway infrastructure including; the track, signalling systems, bridges, viaducts, tunnels, level crossings and stations.

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National Express

National Express were awarded the franchise to operate the Inter City East Coast mainline services in 2007. The new franchise, National Express East Coast (NXEC) began operating on 9th December 2007. National Express Group are a large, international Transport Group with extensive experience in the delivery of passenger transport services.

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Tube Lines logo

Tube Lines

Tube Lines is a private company responsible for the maintenance, renewal and upgrade of the infrastructure, including track, trains, signals, civil work and stations, on three London Underground lines. Since January 2003 the London Underground has been operated as a Public-Private Partnership (PPP), where the infrastructure is maintained by private companies but it is owned and operated by Transport for London (TfL). Tube Lines has a 30-year contract for the Jubilee, Northern and Piccadilly lines.

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