CompareFairlyBest Mobile Network Providers in the UK 2026
Our pick : Giffgaff (79/100) · Cheapest : Plusnet Mobile · Best value : Giffgaff
In short
This comparison evaluates 13 mobile networks based on 12 criteria, including Coverage Score, 5G Availability, Monthly Price, Data Allowance, Contract Length, and Roaming Options, with Giffgaff ranking first with a score of 79/100, notably excelling in 5G Availability and Contract Length, while iD Mobile is a close second at 77/100 and surpasses Giffgaff in Roaming Options, and Plusnet Mobile is identified as the most affordable choice. The facts in this summary are computed from the table below; only the wording is generated.
Comparison table
| Criterion | Giffgaff | iD Mobile | Three | Vodafone | EE | O2 |
|---|---|---|---|---|---|---|
| Coverage Score (score) | 86 | 85 | 85 | 89 | 90 | 88 |
| 5G Availability | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
| Monthly Price (GBP) | 18.0 | 19.0 | 20.0 | 24.0 | 25.0 | 22.0 |
| Data Allowance (GB) | 100 | 60 | 150 | 90 | 100 | 75 |
| Contract Length (mois) | 1 | 1 | 12 | 24 | 24 | 18 |
| Roaming Options | Limited | Standard | Standard | Extensive | Standard | Limited |
| Plan Flexibility | High | High | Medium | Medium | Medium | High |
| International Calls Included | — | — | — | — | — | — |
| Download Speed (Mbps) | 50 | 53 | 55 | 65 | 70 | 60 |
| Upload Speed (Mbps) | 15 | 16 | 18 | 22 | 25 | 20 |
| Customer Reviews Score (score) | 87 | 81 | 80 | 82 | 85 | 88 |
| Customer Service Rating (score) | 4.2 | 3.7 | 3.5 | 3.8 | 4.0 | 4.5 |
Frequently asked questions
What are the best mobile network providers in the UK for 2026?
Giffgaff is currently leading the rankings with a score of 79/100, followed closely by iD Mobile, based on comprehensive comparison criteria.
How do UK mobile networks compare on coverage and 5G?
Our comparison evaluates coverage scores and 5G availability for each provider, alongside pricing and data allowances, to help you find the best fit.
Are there any UK mobile networks with good roaming options?
We assess the roaming options offered by mobile networks in the UK, factoring them into the overall ranking alongside monthly prices and contract lengths.
How is the mobile network ranking determined?
Our ranking is based on objective data for coverage, 5G, price, data, contract length, and roaming; we do not accept payment for placement, ensuring our neutrality.
Methodology and transparency
Ranking: options are sorted on measured, sourced criteria. No position is ever sold, and no advertiser pays to appear here.
Scope: this comparison is not exhaustive. It presents the options our sources document, not every offer on the market.
Earnings: some outbound links may be affiliate links that earn us a commission. This never affects the ranking, the scores or the data.
Data: every value is linked to its source and refreshed automatically; the collection date is shown.