Is O2 legit?
A factual composite from public reviews, official regulator records, app stores and the company’s own policies. We report evidence, not verdicts of fraud or endorsement.
Based on 1,078 public Trustpilot reviews published 2026-06-09 to 2026-09-26 — see the Trustpilot page. Not affiliated with Trustpilot or O2.
Trustpilot lists this business as not currently collecting reviews. See the Trustpilot page for the current status.
O2 is an established company with 25,271 Trustpilot reviews and a 2.8 TrustScore. In our census of recent reviews, 39% were classified as complaints, most often support unhelpful, poor core service, support unreachable. Elsewhere it scores 4.5★ on the App Store, 3.3★ on Google Play. Of 454 company replies to negative reviews analysed, 11% engaged with the specific problem.
What official records show
What goes wrong most, according to reviewers
- Support unhelpful — 236 reports (51% of complaints), rising
- Poor core service — 126 reports (27% of complaints), rising
- Support unreachable — 79 reports (17% of complaints)
Full evidence, quotes and trends: the O2 complaint report.