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How we kept this even-handed: every row below follows the same format and pulls from the same kind of independent source โ no network bought extra space or a better-sounding write-up.
| Network | Type | 5G Headline | EU Roaming | Stands Out For |
|---|
| Three Mobile | Full network | Fast peaks; new plans capped from Apr '26 | Up to 163 countries | Reach abroad |
| O2 | Full network | 95% landmass, satellite included | Free, every plan | Coverage + free roaming |
| EE | Full network | 920/1,000 โ top for 11 years | Tier-dependent | Raw signal |
| Vodafone | Full network | 808/1,000 โ runner-up | Tier-dependent | Business accounts |
| Tesco Mobile | Piggyback (O2) | Same as O2 | 48 free | Service reputation |
| Sky Mobile | Piggyback (O2) | Same as O2 | Daily charge | Data rollover |
| iD Mobile | Piggyback (Three) | Same as Three | Up to 50 | Roaming for an MVNO |
A quick note on who we are: neylscout (neylscout.online) is run by independent researchers, not by any mobile network. We write about Three, O2, EE, Tesco Mobile, Vodafone, Sky Mobile, and iD Mobile because people ask us about them โ none of these companies sponsor us, pay us, or have any say in what we publish. We are not a reseller and we never sell airtime, SIMs, or contracts through this site, and you won't find a single price on these pages, because prices move too often for us to keep accurate. If you ring the number on this site or fill in our form, you'll reach our own small team โ never a network's official support desk, and never anyone able to touch your account. Every brand name and logo colour you see here belongs to the company it names; we use them only so you can tell which network a page is about, not to suggest any partnership. Treat everything here as a starting point for your own research, and check the final word with the network directly before you commit to anything.