EE, part of the BT Group, is the largest and most advanced digital communications company in Britain, delivering mobile and fixed communications services. EE has approximately 600 retail stores, and EE's 4G coverage extends to 90% of the UK’s landmass.

O2, the UK's favourite mobile network operator recently merged with Virgin Media who have a broadband network offering the nation's fastest widely-available speeds. They have 48.5 million UK connections across broadband, mobile, TV and home phone. Their own fixed network currently passes 15.6 million premises alongside a mobile network that covers 99% of the nation’s population with 4G, and more than 400 towns and cities with 5G services. Virgin Media O2 have more than 425 retail stores and have committed to invest at least £10 billion over the next five years.
They also provide 2G, 3G, 4G and 5G mobile services and they are the network of choice for mobile virtual network operators giffgaff, Sky Mobile and Lycamobile, as well as managing a 50:50 joint venture with Tesco for Tesco Mobile.

Our network was built for the internet. We carry over 40% of the UK’s mobile data traffic. We want our customers to make the most of the internet using their device. We think everyone should enjoy the benefits of 4G with no catches. All our customers with a 4G device can enjoy 4G in a 4G coverage area – all at no extra cost. There’s no need to sign a new contract, get a new plan or pay a premium.We have started to roll out 4G where we have the greatest demand for our service to ensure we can deliver the best overall experience for all our customers. By the end of 2015, 4G on Three will cover 98% of the population.Until then, our 3G network already covers more than 98% of the population – with over 80% enjoying a fast internet experience on our advanced 3G network.

We're one of the world's leading mobile communications providers, operating in 26 countries and in partnership with networks in over 55 more. Across the world, we have almost 444 million customers and around 19.5 million in the UK. We made the first ever mobile phone call on 1 January 1985 from London to our Newbury HQ. Still located in Newbury, we now employ over 13,000 people across the UK. Ours is a story of investment, innovation and award-winning customer service. Take a look at the highlights of our pioneering achievements.

At the heart of it, we believe in something simple. A better way to do mobile. We don't do contracts, so you're free to go. But we'd love you to stay. It's why we work our socks off every day to keep you, and guess what? We're uSwitch Network of the Year 2017.

Lebara was founded in 2001, is one of Europe's fastest growing mobile companies employing over 62 nationalities worldwide in six countries.
We’re pioneers – always have been. From the start, we’ve challenged market wrongs. We want to bring happiness to the lives of the communities we meet. All over the world. To us, every customer is important. Every customer experience is an opportunity. An opportunity to connect, to share, to engage. Here, we create connections that define conversations across nations.

Founded in 2006, Lycamobile is a solution for those who want to connect back home. Providing low-cost high-quality international calls to over 15 million customers across 23 countries, Lycamobile's sheer span, focus on customer service and innovative business strategy has seen it outgrow its competitor set; achieving greater coverage of the European population than any other network operator.A Mobile Virtual Network Operator initially developed for the expatriate communities in Europe, Lycamobile has fast become a global brand synonymous with connecting customers with their loved ones across oceans, borders and networks at the cheapest possible price.

Launched in 2017, Voxi shout about catering to customers who almost exclusively communicate through social apps to share and connect with like-minded friends, without any commitment. Voxi is powered by Vodafone so they guarantee the network quality of a global company.

SMARTY are on a mission to make mobile simple and honest. We started SMARTY in 2017 because there’s a better way to do things. Low costs, straightforward plans, transparent pricing and flexible deals. No contract, no credit checks and 1 month plans, so you can cancel or change your plan at any time. Powered by Three’s powerful network, it covers 97% of the population, with fast speeds for browsing, gaming, downloading and emailing. Voted the best PAYG network by USwitch in 2021 and Which? Recommended Mobile Network Provider April 2021.