mmO2 plc is a leading provider of mobile services, offering consumer and corporate communications solutions. O2’s mobile businesses cover some of the largest markets in Europe, with the UK and German markets giving us access to a total population of over 141 million people. O2 have well-established and profitable mobile businesses in the UK and Ireland, where O2 UK and O2 Ireland each have a track record of revenue and growth.

O2 now serve over 20 million customers in the UK, Germany, Ireland and the Isle of Man and offer international roaming to 150 countries worldwide. Their commitment to the customer experience was publicly endorsed when Oftel named O2 UK "the best ever" for UK mobile network performance - beating all previously published national call success rates. O2's Irish business also took first prize as ICT Telecoms Company of the Year.

O2 Best For Business for companies with 2 to 79 Mobiles.

Best for Business is great value for money, simple to understand and ensures that in addition to your monthly subscription, you'll only ever pay for what you use. You will also receive 20% off your five chosen numbers as well as many options included at no extra charge (e.g International Discounts, Call Tagging, Free Online Billing)

O2 Mobile Extension for companies with 80 Mobiles or more

Keep in touch with your team for less than 4p a minute and get a reduced rate to the mobiles from the office. Allows short code dialling between the office-mobile/mobile-mobile.