• EE Mobile

    4 stars

    EE is the UK's biggest, most popular provider, offering (marginally) the best coverage. It's owned by BT and has everything from phones to SIMs and more.

  • Vodafone mobile

    3.5 stars

    One of the big four UK networks, Vodafone offers everything from SIM deals to mobile handsets, tablets, mobile broadband dongles and gadgets.

  • Sky Mobile

    3.5 stars

    If you're a Sky broadband and/or TV customer, getting all your bills in one makes sense. Sky Mobile offers deals and a limited range of handsets.


  • Virgin Mobile

    3.5 stars

    The mobile area of Virgin Media, Virgin Mobile offers some fantastic deals on SIMs and handsets, especially if you're a Virgin Media customer.

  • Three Mobile

    4 stars

    Three is one of the UK's four main network providers and offers everything under the sun, from handsets to SIMs to tablets and more.

  • BT Mobile

    4 stars

    Although BT owns EE, it also has its own brand network: BT Mobile. It's an especially good choice if you're already a BT broadband and phone customer.


  • Plusnet Mobile

    3.5 stars

    You won't find any handsets available on Plusnet Mobile, but if you're happy with the one you've got, it offers some of the cheapest SIMs around.

  • ASDA Mobile

    3.5 stars

    Unlike Tesco Mobile – the other supermarket-come-mobile provider – you'll only find SIM deals with ASDA Mobile. Some of the cheapest around, in fact.

  • iD Mobile

    3.5 stars

    Still relatively young, iD Mobile is the in-house mobile phone and SIM provider of High Street brand the Carphone Warehouse.


  • O2 Mobile

    4 stars

    Another of the UK's four main network providers, O2 offers anything you could possibly want: Handsets, SIMs, pay-as-you go, tablets, you name it.

  • Giffgaff Mobile

    5 stars

    With a customer service and support network comprising its own customers, giffgaff can offer deals on SIMs and handsets that are cheaper than most.

  • VOXI Mobile

    3.5 stars

    VOXI Mobile is a Vodafone brand aimed at a younger audience, offering free social media data as standard with all of its SIM plans.


  • SMARTY Mobile

    3.5 stars

    SMARTY is owned and run by Three. Its reasons for existing are simplicity and flexibility – it offers only three plans, all on rolling 30-day contracts.

  • Tesco Mobile

    4 stars

    As well as supermarkets, Tesco offers one of the best value mobile services in the UK, with a wide range of handsets and SIMs for all budgets.

  • TPO Mobile

    4 stars

    For those with a big heart, The People's Operator aims to give a slice of your monthly fees to charity. It offers only SIMs, though – no handsets.


  • Phone Co-op mobile

    3.5 stars

    The Phone Co-op, like the co-op proper is co-operatively owned and run by its members. It offers a good range of budget SIMs with no hidden charges.

  • Lebara Mobile

    3.5 stars

    Lebara Mobile specialises in offering SIMs to migrants and visitors to the UK who wish to stay in touch with their friends and relatives abroad.