A neutral, platform-by-platform read of what Three customers actually say in 2026. Trustpilot (both pages), the Q4 2025 Ofcom complaints table, the Which? annual survey, MoneySavingExpert and Uswitch reads, and a Selectra audit of Three’s online presence. We show every score we could verify and explain what each one really means.
Headline score
4.4/ 5
Sample
58,500+ Trustpilot reviews
three.co.uk pool, May 2026
Reviewed
19 May 2026
Platform by platform
What every score actually means
Different review platforms attract different audiences and use different scales. Looking at any single number in isolation is misleading. Below is every Three review pool Selectra could verify, with a neutral read of the main opinion on each.
Trustpilot, three.co.uk
4.4/ 5
~58,500 reviews
Mostly positive
The main, high-volume Three Trustpilot page and the most representative read of the average Three customer experience. The strongest recurring positives are friendly in-store staff, fast 5G speeds when in coverage, Go Roam free EU and beyond data, and same-day SIM replacements at flagship stores. The most common negatives are indoor signal dropouts and difficulty cancelling broadband cleanly.
A separate, much smaller Trustpilot page that catches customers searching for "Three" generically rather than the official three.co.uk URL. The pool is heavily skewed toward bad experiences and is best read as a list of recurring complaints rather than as the headline score. Volume is too small to represent the average customer.
In the latest Ofcom complaints league (Q4 2025), Three sits in the worst quartile for both pay-monthly mobile and broadband, alongside EE and Vodafone. The dominant complaint categories are faults and signal problems for mobile, and faults plus billing for broadband. Three is not the single worst on either metric, but it is consistently above the industry average and Ofcom flags it for both services.
Which? rates Three mid-table for both mobile and broadband in its 2025 customer survey. Customers like the value, the data allowances and the Go Roam benefit, but rate signal reliability and complaint handling below the best networks. Three is not a Which? Recommended Provider for either service.
On the MSE forums, the dominant view of Three is "great value if your postcode works, painful if it does not". Heavy data users and frequent travellers consistently praise Three’s unlimited and Go Roam plans as the best deal on the market. Broadband threads are more divided, with users in strong 5G areas happy and users on weaker signal reporting the same drop-outs that appear on Trustpilot.
Three has historically won Uswitch’s "Best Network for Data" award and was recognised by Ookla as the UK’s fastest 5G network in independent speedtests. These awards reflect raw network capability rather than customer service, so read them alongside the Ofcom complaints data rather than instead of it.
What customers most often praise and complain about
Read enough Three reviews and the same words come up over and over. These are the four most recurring positive themes and the four most recurring complaints, synthesised across every platform above.
What people praise most
Strong 5G speeds where it works
In areas with solid 5G coverage, the Three 5G Hub delivers 200 to 400 Mbps, matching mid-tier Full Fibre at a lower monthly price.
Go Roam in 90+ destinations
Free EU and worldwide data, calls and texts at no extra cost is consistently the single biggest positive in Three reviews from frequent travellers.
No-install home broadband
The 5G Hub plugs in and works in minutes. No engineer, no phone-line install, no Openreach wait. Renters and students rate this heavily.
Friendly in-store experience
Across both Trustpilot and Which?, Three’s physical-store and phone-support staff are rated friendly and willing to escalate when needed.
What people complain about most
Indoor signal dropouts
The most common negative across every platform. Thick walls, basement flats and rural homes can have weaker indoor Three signal than the coverage map implies.
Reaching customer service is slow
Once you get a human, the experience is usually fine. Getting through is harder than for fixed-line ISPs, particularly outside weekday business hours.
Harder to escalate than fixed-line
Three uses CISAS as its ADR scheme, which is less well-known than the Communications Ombudsman used by BT, so customers sometimes route complaints to the wrong place and lose time.
VodafoneThree merger confusion
Customers ask whether their Three contract is moving to Vodafone or vice versa. For now both brands trade separately, but the confusion itself shows up in 2025 and 2026 reviews.
Selectra audit
Three’s online presence, channel by channel
Customer satisfaction is shaped as much by the website, app and live-chat experience as by the phone line. Selectra audits each channel directly.
Channel
Selectra verdict
Detail
Website (three.co.uk)
Strong
Clean, fast, mobile-first. The coverage checker tool is one of the more honest in the UK industry and the live deals are easy to compare.
My3 app
Strong
Well-rated on iOS and Android. Bills, data usage, Go Roam status and the in-app live chat are all accessible without a phone call. Most account changes can be made here.
Live chat
Good
Available 24/7 in the app and on the website. Starts with a chatbot but escalates to a human reasonably quickly.
X (Twitter) @ThreeUKSupport
Good
Active business-hours response, normally replies within an hour and pushes to DM for account checks. Faster than email or letter for non-urgent queries.
Facebook
Mid
Slower than X for support but useful for following the Three Broadband product page and tracking outages.
Accessibility team
Good
Dedicated free line, BSL video relay, large-print billing on request. Solid setup, on par with the best UK telecoms operators on accessibility.
Selectra verdict
Aggregated from all platforms above
Three scores roughly 3.5 out of 5 on Selectra’s aggregated read. The network speed, the data allowances and the Go Roam benefit pull the headline rating up; the Ofcom complaints data and the signal-dependence pull it back down. It is a great-value pick if your address has solid 5G coverage and you do not need premium customer service. It is the wrong pick if your home has weak indoor signal or you want a low-friction fixed-line experience.
The single piece of advice that comes out of every platform is the same: test before you commit. Three’s 30-day money-back guarantee on home broadband and the 30-day trial periods on most SIM plans give you a free, no-risk way to find out whether the signal works where you actually live. Use it. If the 5G Hub holds up in your living room for two weeks, sign the 24-month contract with confidence; if it does not, return it and walk away.
Pros
5G Home Broadband ready in minutes, no engineer needed.
Go Roam free EU and worldwide data on most mobile plans.
30-day money-back guarantee on home broadband, genuinely usable.
Strong My3 app and accessibility setup; live chat is 24/7.
Cons
Worst quartile in Q4 2025 Ofcom complaints for broadband and mobile.
Indoor signal can be weaker than the coverage map suggests.
Harder to escalate (CISAS, less well-known than Ombudsman Services).
VodafoneThree merger still causes occasional account confusion.
FAQ
Three reviews, your questions answered
Are Three reviews trustworthy?
The headline Trustpilot three.co.uk score of 4.4 / 5 across more than 58,500 reviews is broadly trustworthy as a representation of the average Three experience, the sample is large enough to absorb most outliers. The separate Trustpilot pages for three.com and three.uk have far smaller pools (under 700 reviews each) and skew heavily negative, so they are better read as lists of recurring complaints than as headline ratings.
Why is Three’s Trustpilot score so high but Ofcom complaints so high too?
Different things are being measured. Trustpilot captures the full customer base including everyone who has a smooth experience. Ofcom counts only people who could not resolve their issue with Three and escalated to the regulator, a much smaller pool weighted toward problem cases. Both are real and both matter, the right read is "most customers are happy, but the unhappy minority struggles to get resolution".
How does Three compare with EE, Vodafone and O2?
For mobile in the Q4 2025 Ofcom report, the ranking from best to worst on complaints per 100,000 customers is broadly O2 → Vodafone → EE → Three. For data heaviness and roaming, Three is the most generous, EE is the most premium, O2 has the best signal-mature network and Vodafone sits in the middle. Post-merger Three and Vodafone share network assets but still trade as separate brands.
Which ADR scheme does Three use?
Three uses CISAS (Communication & Internet Services Adjudication Scheme), not Ombudsman Services. CISAS is one of the two Ofcom-approved ADR schemes for UK telecoms. Free to the customer, binding on Three if you accept the adjudicator’s decision. Full process on our Three complaints page.
What is Selectra’s overall Three verdict?
Three is a high-variance choice. If your postcode and home have strong 5G signal, you will probably be a very happy customer: fast speeds, generous data, free EU and worldwide roaming, no Openreach hassle for broadband. If your signal is patchy, you will struggle. The 30-day money-back guarantee on home broadband is the single most useful Three feature, it lets you test the service in your own home before committing to 24 months.
Convinced or curious?
Compare Three’s current deals with the rest of the market
Use the live Three page for prices at the moment you click, or compare Three against EE, Vodafone, BT and the smaller alt-net providers using fixed-line Openreach.
