Welcome to our Three mobile deals guide.
Three is one of the 'big four' mobile networks in the UK, alongside EE, O2 and Vodafone.
Three Mobile started out in Hong Kong and launched in the UK on 3 March 2003 (because it loves the number three). Three’s network was built for the internet and was one of the first to offer all-you-can-eat data.
Today, Three has the widest 5G spectrum of services available and is the only operator to meet IMT 2020 standard for 5G services .
Three was voted the ‘ best network for data’ in 2018 and the ‘best network for roaming’ in 2017 by Mobile Choice Consumer. They also have:
If you’re looking for a new handset to go with your contract, then Three has a wide variety of models and brands to choose from including Apple, Samsung, Huawei, Sony, Motorola and BlackBerry.
Shop around and compare deals to find the right contract for you.
Three mobile SIM-only deals
Three SIM-only deals often include:
Pay as you go (PAYG) mobile phones are ideal if you don’t use your phone much or if you’re on a budget. They’re also a great contract-free alternative for parents who want to buy their child a mobile phone without paying a fixed monthly bill.
However, if you’re a heavy data user, you’d likely be better off with a SIM-only or contract deal.
We compare phone contracts and SIM-only deals above, however you can find Three PAYG deals on the Three mobile website.
Three’s PAYG has lots of benefits:
Tips for getting the best mobile phone deal on Three
Three have improved their coverage with their 4G network covering approximately 99.8% of the UK population . Check if your home and workplace get a good Three signal on Ofcom's map.
Three’s coverage improvements have led to them winning multiple awards in the last couple of years too. Compare Three’s prices with those from other providers to find the right mobile phone deal for you.
Still not sure? Take a look at our other network guides:
 Three UK, 2019