Our award-winning mobile network is the lifeblood of O2
We are the largest UK network with over 32.6 million customers.
Everyone is welcome. When you join, your people do too. You get access to an award-winning network, voted for by customers, giving your workforce more ways to stay connected.
We’ve always been ‘mobile first’. That’s why we’re at heart of the digital revolution, driving what’s possible for people and businesses across the UK.
O2 is the only UK mobile network to be CAS(T) certified, so you can be sure your communications are on an entirely secure platform.
We’re proud to have gained approval to deliver critical national infrastructure projects for the UK government, following an 18-month accreditation process. CAS(T) also gives private companies military-grade security for their communications, helping address growing cyber security threats.
We were the winners of uSwitch’s Best Network for Coverage award in 20191, voted for by customers.
We’re the biggest mobile network in the UK, with over 32.6 million customers. This includes our customers plus those of giffgaff, Tesco Mobile, Sky Mobile and Lycamobile, which all use our network.
We’re investing in our network experience with 80Mhz of new spectrum to increase capacity and pave the way for 5G.
We’re the only UK network to have made and kept a 4G UK population coverage commitment to Ofcom. We now cover 98% of the UK population indoors.
We’re rated as the best performing network for reliability, following research conducted by Global Wireless Solutions (GWS) in 2018.
We’ve invested in our network with a focus on each and every customer’s individual network experience. Making sure we meet your ever-growing connectivity needs.
We are fundamental to the infrastructure of UK PLC, putting us right at the heart of digital Britain.
From local businesses to the public sector, we’re a trusted partner to help underpin your business and your customer experience.
Our network infrastructure supports over a third of all UK councils. We’re the first operator to achieve CAS(T) Certification for mobile voice and data, and have been awarded ‘highly secure’ on the way we hold data. And we’re even helping to keep your safe. We monitor over 16,000 offender tags for the Ministry of Justice.
We support our Emergency Services. Over half of the UK police forces, 12 ambulance services and four fire services rely on our network to deliver the response you need, when you need it.
We provide Network Rail with mobile services that allow them to do everything from maintaining the rail tracks safely, to monitoring level crossings.
The AA uses our network to stay connected to their customers, making sure no one is left out in the cold. And Transport for London has all 8500 London buses connected every 30 seconds. Providing real-time updates on the timing of the next bus.
We support the UK Power Network in delivering electricity to 18 million homes across London, the South East and East of England, every single day. And we’ve been selected as the Connectivity Service Provider for the Government’s Smart Metering Programme, providing 23.5 million comms hubs in UK homes.
We’re proud of our network. We’re continuing to invest over £1.5 million in it every day. Helping our business support your business, better.
It’s coming, but what will a 5G-enabled smart city look like?