T-Mobile is one of the world’s largest mobile operators with more than 91 million customers worldwide and in the UK it is the network of choice for approaching 17 million customers, making it one of the largest networks.

T-Mobile has a range of innovative products and services such as Flext, a unique tariff with flexible pricing; U-Fix, a tariff that combines pay-as-you-go and a monthly contract and Web’n'Walk, which enables customers to surf websites on the move. T-Mobile’s network coverage is among the best in the UK (over 99% of the UK population) with one of the lowest dropped call rates. It offers the largest worldwide Wi-Fi network, with over 1,000 HotSpots in business-friendly locations in the UK and 21,000 worldwide, and offers the fastest 3G network across the UK with speeds of up to 1.8mb per second.

Data is provided via an add on package called Web ‘n’ walk and provides unlimited browsing and email at differeing price points depending on what you want to do.

The network is a GSM network as all UK networks are and data is provided via GPRS, 3G and HSDPA.

Vodafone Group Plc is the world’s leading mobile telecommunications company, with a significant presence in Europe, the Middle East, Africa, Asia Pacific and the United States through the Company’s subsidiary undertakings, joint ventures, associated undertakings and investments.
The Group’s mobile subsidiaries operate under the brand name ‘Vodafone’. In the United States the Group’s associated undertaking operates as Verizon Wireless. During the last two financial years, the Group has also entered into arrangements with network operators in countries where the Group does not hold an equity stake. Under the terms of these Partner Network Agreements, the Group and its partner networks co-operate in the development and marketing of global services under dual brand logos.

At 31 December 2007, based on the registered customers of mobile telecommunications ventures in which it had ownership interests at that date, the Group had 252 million customers, excluding paging customers, calculated on a proportionate basis in accordance with the Company’s percentage interest in these ventures.
The Company’s ordinary shares are listed on the London Stock Exchange and the Company’s American Depositary Shares (’ADSs’) are listed on the New York Stock Exchange. The Company had a total market capitalisation of approximately £99 billion at 31 December 2007.

Data is provided via GPRS, 3G and HSDPA and coverage is very good.

O2 is a leading provider of mobile services to consumers and businesses in the UK. These services include voice, text, media messaging, games, music and video, as well as always-on data connections via GPRS, 3G and WLAN. Every month O2’s 18.4 million customers send well over a billion text messages.

O2 UK is part of Telefónica O2 Europe which comprises mobile network operators in the UK, Ireland and Slovakia along with integrated fixed / mobile businesses in Germany and the Czech Republic. Telefónica O2 Europe also owns 50% of the Tesco Mobile and Tchibo Mobilfunk joint venture businesses in the UK and Germany respectively as well as having 100% ownership of Be, a leading UK fixed broadband provider

O2 was ranked as 6th best place to work in the Best Companies to Work for 2008 List and has been awarded a three-star accreditation denoting an ’extraordinary’ company.

Data is provided via GPRS, 3G and HSDPA.

Orange is one of the world’s leading communications companies. The Group serves more than 170 million customers in five continents, of which two thirds are Orange mobile customers (109.6 million). It is Europe’s largest broadband provider with 11.6 million broadband internet (ADSL) customers, and is Britain’s No1 VOIP provider with more than 150,000 users.

Orange Business Services is present in 166 countries with network reach in 220 countries and territories. It serves one million businesses with mobile solutions.

As of December 31, 2007, the Group had consolidated sales of 52.9 billion euros.
In the UK, Orange has over 17 million customers (15 million mobile and 2 million internet).

Data is provided via GPRS and 3G and HSDPA

3 originally known as Hutchison 3G, was formed in May 2000 after the UK Government awarded five licences to run third generation mobile phone services. The largest licence was set-aside for a newcomer in the market to increase competition – and the 3 network acquired the rights at the lowest cost.

The 3 network is available across eight countries and has over 10 million customers. In the UK alone, 3 has acquired 3.5 million 3G customers, up by nearly half a million since March 2005.

Data is provided via GPRS, 3G, HSDPA.

Virgin Mobile UK became the fastest growing mobile start-up in the UK when it reached one million users in 2000. Now it has expanded further as a ‘virtual network’, which uses the T-Mobile set-up.