Airtel-Vodafone is a mobile phone provider in Jersey and Guernsey, and marks the partnership of two of the world’s most important telecommunications companies. Bharti Airtel Limited

Bharti Airtel

Bharti Airtel Limited , commonly known as Airtel, is an Indian telecommunications company that operates in 20 countries across South Asia, Africa and the Channel Islands. It operates a GSM network in all countries, providing 2G or 3G services depending upon the country of operation...

 is the fastest growing mobile company in the world, with over 205 million customers, operating in 19 countries and growing as of Nov 2010, and is rated among the top 10 best performing companies in the world in the Business Week IT 100 list. Vodafone is the largest mobile telecommunications network company in the world, operating in 71 countries with over 315 million customers worldwide.

They hold strong partnerships with Nokia

Nokia

Nokia Corporation is a Finnish multinational communications corporation that is headquartered in Keilaniemi, Espoo, a city neighbouring Finland's capital Helsinki...

 and IBM

IBM

International Business Machines Corporation or IBM is an American multinational technology and consulting corporation headquartered in Armonk, New York, United States. IBM manufactures and sells computer hardware and software, and it offers infrastructure, hosting and consulting services in areas...

.

Despite the Airtel-Vodafone partenership, Bharti Airtel and Vodafone are actually competitors in 5 countries - Democratic Republic of the Congo, Ghana, India, Kenya and Tanzania.