Top 10 Best Value MVNOs in the UK | Compare SIM Deals
Selecting the right mobile network isn’t mean paying a premium price for a big-brand name. In the UK, Mobile Virtual Network Operators (MVNOs) have revolutionized the market by offering the exact same signal and 5G coverage as the major providers—like EE, Vodafone, O2, and Three—but often at a fraction of the cost. If you are looking for a flexible “no-contract” plan, unlimited social media data, or low-cost international calling, here you go for the Top 10 UK MVNOs
Sky Mobile
Sky Mobile (Uses O2 Network) A favorite for Sky TV customers, this provider allows users to roll over unused data for up to three years in a virtual “piggybank.” With Sky Mobile, you have the flexibility to change your plan whenever you like and enjoy streaming on all Sky apps without using your data.
- Change plans anytime
- Stream Sky apps without using data
- Excellent O2 coverage
LycaMobile
Lyca Mobile (Uses EE Network) Lyca Mobile offers one of the largest selections of international calling bundles and has recently upgraded to the high-speed EE network. It provides instant eSIM activation and is perfect for users who need a mix of national and global connectivity. Also lyca provides many deal plans from limited to unlimited plans. If you are looking for Fast 5g speed and unlimited data Lycamobile is best choice.
- EE’s fastest 5G network
- Unlimited data plans available
- Strong international calling options
Tesco Mobile
Tesco Mobile (Uses O2 Network) One of the most trusted brands in the UK, Tesco Mobile offers “Clubcard Prices” and frozen contracts that protect users from mid-year price rises. It consistently ranks as a top performer for customer service in Ofcom reports.
- Excellent customer service (Ofcom-rated)
- Great value for Tesco shoppers
- Strong O2 signal
Giffgaff
Giffgaff (Uses O2 Network) Known for its “no-contract” flexibility, Giffgaff operates via a community-led model where users manage their accounts through an app. It is a top choice for those seeking low-cost, monthly rolling plans called “Monthly Rolling Plans.”
- Monthly rolling plans
- Budget users & students
- No credit checks
iD Mobile
ID Mobile (Uses Three Network) Owned by Currys, iD Mobile is the go-to for affordable high-data plans and competitive phone financing deals. It offers useful features like data rollover and inclusive roaming in 50 destinations on many of its plans.
- Cheap big-data plans
- Phone financing options
- Three’s fast 5G network
SMARTY
SMARTY (Uses Three Network) SMARTY is a “no-frills” provider that specializes in simple, transparent monthly plans with no credit checks required. It stands out by offering “Data Discount” plans where you get money back for any unused data at the end of the month.
- Get money back for unused data
- Cancel anytime
- Transparent pricing
VOXI
VOXI (Uses Vodafone Network) Created by Vodafone for younger users, VOXI’s unique selling point is “Endless Social Media,” allowing users to use apps like Instagram and TikTok without eating their data. All plans are contract-free and include 5G as standard.
- Students & young users
- Unlimited social media
- Contract-free 5G plans
Lebara
Lebara Mobile (Uses Vodafone Network) Lebara is the leading choice for international residents, providing low-cost calling minutes to over 40 countries alongside competitive UK data. Its plans are highly flexible, 30-day rolling contracts with no credit check necessary.
- Expats & international students
- 30-day rolling plans
- No credit checks
Talkmobile
Talkmobile (Uses Vodafone Network) A budget-focused subsidiary of Vodafone, Talkmobile offers simple, reliable SIM-only deals without the “extra” costs of premium perks. It is highly rated for its rock-solid signal reliability and straightforward 30-day or 12-month terms.
- Stable signal
- Simple pricing
- 30-day or 12-month plans
Asda Mobile
Asda Mobile (Uses Vodafone Network) Asda Mobile provides great value “bundles” that can be managed easily while you shop, including the ability to earn “Asda Rewards” on your mobile spend. It features no mid-contract price rises and includes 5G at no extra cost on all plans.
- Earn Asda Rewards
- No mid-contract price rises
- Free 5G on all plans
Compare UK SIM Deals
| Provider | Host Network | Key Perk / Feature | Best For |
| Sky Mobile | O2 | 12-month data rollover (Piggybank) | Sky TV customers |
| Lyca Mobile | EE | Wide global reach & eSIM activation | Fast speeds & global travelers |
| Tesco Mobile | O2 | Clubcard Prices & fixed contracts | Families & grocery shoppers |
| Giffgaff | O2 | Community-run; no-contract flexibility | Budget-conscious students |
| iD Mobile | Three | Data rollover & inclusive EU roaming | Cheap high-data phone deals |
| SMARTY | Three | Money back for unused data | Simple, no-credit-check plans |
| VOXI | Vodafone | Endless Social Media & Video data | Heavy social media users |
| Lebara | Vodafone | International minutes & EU/India roaming | International calling |
| Talkmobile | Vodafone | No-frills, low-cost reliability | Straightforward SIM-only deals |
| Asda Mobile | Vodafone | Earn Asda Rewards on your mobile bill | Supermarket loyalty fans |