Mercury Communications

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Mercury Communications Ltd
FateMerged to Cable & Wireless Communications
(October 1996)
SuccessorCable & Wireless Communications

Mercury Communications was a national telephone company in the United Kingdom, formed in 1981 as a subsidiary of Cable & Wireless, to challenge the then-monopoly of British Telecom (BT). Mercury was the first competitor to BT, and although it proved only moderately successful at challenging their dominance, it was to set the path for new communication companies to attempt the same.[1]

In 1997, Mercury ceased to exist as a brand with its amalgamation into the operations of Cable & Wireless Communications,[2] and totally exited from the telecommunications business by 1999.


Background: before 1981[edit]

The history of telecommunications in United Kingdom starts in 1879, with the establishment of its first telephone exchange in London by The Telephone Company (Bells Patents) Ltd. On 10 March 1881, National Telephone Company (NTC) – a British telephone company – was formed, which later brought together smaller local telephone companies. In 1898, to break the near monopoly held by NTC, the Postmaster General's office who was in charge of licensing new telephone companies issued thirteen new licences. But by 1911, five of the remaining six competitors were taken over by either the General Post Office (GPO) or NTC.[1] Under the Telephone Transfer Act 1911, NTC was taken over by the GPO in 1912, and created a state-run monopoly that would run nearly all telecommunication assets in the UK for the next seventy years.[1]

During the 1920s, there was an increasing competition from companies using radio communications such as Marconi's Wireless Telegraph Company. In 1928, it was decided that all telecommunication assets outside of the UK, and within the British Empire, particularly the telegraph companies, should be merged into one operating company. The merged entity was initially known as the 'Imperial and International Communications Ltd', and later in 1934 as Cable & Wireless Limited.[3][4][5][6]

Following the Labour Party's victory in the 1945 general elections, the government announced its intention to nationalise Cable and Wireless, which was carried out in 1947.[7] The company would remain a government-owned company, continuing to own assets and operating telecommunication services outside the UK. All assets in the UK were integrated with those of the General Post Office, which operated the UK's domestic telecommunications monopoly.

In October 1969, the Post Office (as a public corporation) replaced the General Post Office (as a government department). In October 1981, the Post Office was split into two separate public corporations, the Post Office and British Telecommunications. In 1981, the British government under Prime Minister Margaret Thatcher started the process of privatising nearly all state-run monopolies, including British Airways, British Steel Corporation, British Aerospace, and later British Telecommunications. The act also started the privatisation of Cable & Wireless, a state-run offshore telephone company, whose primary business was in Hong Kong.

Mercury: 1981–97[edit]

Promotional Mercury Communications hot air balloon featuring inflatable "payphone", as seen in 1994.

In 1981, Mercury Communications, Ltd. – a consortium of Cable & Wireless, Barclays, and British Petroleum (BP) – was founded as an experiment in telecommunications competition, primarily with British Telecom. Its first chairperson was Sir Michael Edwardes, known for his success in turning around British Leyland. Mercury Communications was first licensed in 1982; and became a full Public Telecommunications Operator in 1984. The same year, Cable & Wireless bought out the stake of its partners.

In July 1991, Mercury's sister concern, Mercury Personal Communications Network (PCN) Ltd, was awarded one of the licences to develop build Personal communications network (PCN) networks in United Kingdom. The other two went to Microtel Communications Ltd, and Unitel.[8] PCNs were envisaged to be superior to the then-existent cellular phone technology, giving customers portability to make or take calls in the home or car, in an aeroplane, or while on holiday.

In November 1992, Cable & Wireless sold a 20% stake for about GB£480 million to the Canadian company BCEbc, the parent company of Bell Canada, which gave much-needed telecommunications expertise to Mercury. BCEbc also owned two cable companies in the UK.

One2One was established as the trading name of Mercury Personal Communications, a joint venture partnership equally owned by Cable & Wireless and US West International, a division of US WEST Media Group. One2One introduced Britain’s first 1800 MHz GSM network in 1993,[9] in competition with the existing UK mobile networks Vodafone and Cellnet.

Mercury forged strategic alliances with 16 UK cable companies, which enabled them to offer both telephone and television services to their customers. By the end of January 1993, over 117,000 telephone lines were supplied to cable operators by Mercury. In October 1996, Mercury was merged with three cable operators in the UK (Vidéotron, Nynex and Bell Cable media) and renamed Cable & Wireless Communications (in which Cable & Wireless plc owned a 53% stake).[1][2][10]

Following this, the group embarked on a major disposal programme, selling One2One to T-Mobile in 1999,[11] then selling its stake in CWC’s consumer operations to NTL (now Virgin Media) in 2000.


Mercury Communications payphone kiosk

Payphones and mobiles[edit]

From 1986 Mercury operated public payphones in the UK, in competition with BT. These proved not to be profitable and this interest was sold in 1995. They were notable for their varied designs which imitated architectural styles.

Mercury also operated the first GSM 1800 mobile phone service, launched in 1993, as Mercury One2one. The service was first rolled out in the London M25 area, and offered free mobile to landline calls at off-peak times, weekends and Bank Holidays. Calls could be made free to landlines in the area the mobile was situated in, and to adjacent landline exchange codes.[12] Even after this plan ceased being sold, SIM cards that were subscribed to the plan continued to provide these free calls, and often changed hands for large sums of money.[13] Coverage was extended throughout the decade, with most of the UK having service by 1997. One2One was sold to Deutsche Telekom in 1999 for £8.4bn, and was rebranded as T-Mobile in 2002.[14]

Residential phone services[edit]

Mercury began by offering fixed-line facilities direct to businesses, residential and small business. Users could use the 'Mercury 2300' service via their existing BT phone line by dialling a '131' prefix followed by a ten-digit customer code, then the number which they wished to dial. At the time, many phones were manufactured with a dedicated 'Mercury Button' which allowed the prefix and customer code to be stored and then dialed with a single button press.[15]

Later, a more modern indirect service was introduced which required only the dialling of the access code ('132') and the destination number. Mercury also provided backbone services to the emerging groups of British cable operators which were beginning to offer their own fixed-line telephone services.

Mercury moved into the Private Branch eXchange market in 1990 as a result of Telephone Rentals being bought by Cable & Wireless. This enabled the Smart Box to be connected to a large number of TR's customers, so traffic was routed away from BT onto Mercury's network.

Mercury pulled out of the PABX market in 1996, when it sold that part of the business to Siemens, creating Siemens Business Communication Systems (SBCS), which later became Siemens Communications.

In 1997 the Mercury brand ceased to be and it was amalgamated into Cable & Wireless Communications.[2] The consumer arm of the latter would eventually find itself bought out by the telecommunications firm NTL in 1999, and then further sold on to NPower in 2001 before the service was withdrawn entirely some years later.

Its name lives on through its original sponsorship of the Mercury Music Prize, although now sponsored by Hyundai.

See also[edit]


  1. ^ a b c d History of Mercury Communications
  2. ^ a b c Mercury's pounds 5bn merger with cable firms heralds huge telecoms indu stry shake-up Published : Independent, by Chris Godsmark and Mathew Horsman, 23 October 1996
  3. ^ Imperial and International Communications Ltd
  4. ^ Sir John Pender
  5. ^ Evolution of Eastern Telegraph Company
  6. ^ "Evolution Cable and Wireless 1928 - 1934". Retrieved 30 July 2012.
  7. ^ Robert A. Brady (1950). Crisis in Britain: Plans and Achievements of the Labour Government. University of California Press., on nationalization 1945-50, pp 284-306
  8. ^ "History of Cellular services". Archived from the original on 5 February 2013. Retrieved 9 June 2012.
  9. ^ "Cable & Wireless Communications: Our History". Retrieved 8 April 2012.
  10. ^ Mercury's £5bn merger
  11. ^ Business: The Company File: One 2 One sale agreed BBC, 6 August 1999
  12. ^ "Mercury One-2-One challenges the U.K. cellular competition, Mobile Phone News, Sept 13, 1993 "
  13. ^ Together at last
  14. ^ One 2 One to rebrand as T-Mobile
  15. ^

External links[edit]