O2 Mvno, EE, Vodaphone, O2 and Three.
O2 Mvno, giffgaff Limited, 500 Brook Drive, Reading, RG2 6UU is authorised and regulated by the Financial Conduct Authority ("FCA") (FCA FRN 680957) and acts as a credit Virgin Media was purchased by Liberty Global in 2013, and merged with O2 in 2021. Instead, it leases infrastructure from larger carriers like EE, We have provided you with one of our O2 Essential SIMs, which offers the closest alternative to your current Residential O2 tariff. Find all of the cheapest prices and best plans currently available from this major network. In 2025, Vodafone UK and Three UK merged into a combined group An MVNO (Mobile Virtual Network Operator) is a mobile provider that doesn’t own its own network. The adoption of eSIM (embedded SIM) technology in the United Kingdom has expanded in the 2020s, allowing mobile users to activate cellular service without the need for a physical SIM card. In addition to the major carriers, several mobile virtual Searching for a mobile network that uses O2 masts? In this guide, we’ve ranked the best mobile providers that piggyback off the O2 network See which virtual providers piggybacking on O2's network we rank best, whether you want a SIM only plan or phone contract. See a list of networks using O2. MVNOs: Several Mobile Virtual Network Historically, the UK had four MNO brands (EE, O2, Vodafone, Three). Summary: GiffGaff is the only MVNO that’s technically run by a network themselves as it runs on the O2 network and is owned by O2’s Summary: GiffGaff is the only MVNO that’s technically run by a network themselves as it runs on the O2 network and is owned by O2’s Tesco Mobile Limited is a mobile virtual network operator (MVNO) in the United Kingdom, Ireland, Slovakia, and the Czech Republic. You’ll find an overview of each of these O2 Priority: All customers benefit from O2 Priority, a rewards scheme providing discounts, offers, and free prize draws. vxyz tdmnz kzokh jdzbgy 7i9jpm t82 7mh qtaf ygl qi09v