ComplaintCensus
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3: most-reported complaints

Complaints in recent reviews
92% of 100 recent reviews analysed
Most-reported issue
Support unhelpful 59% of complaints
Company replies
0% of negative reviews, typically within a day
TrustScore
1.2 from 649 total reviews
Review window analysed
2024-07-14 to 2026-08-24 100 reviews

Automated analysis of 100 public Trustpilot reviews published 2024-07-14 to 2026-08-24. TrustScore 1.2 from 649 total reviews — see the Trustpilot page. Quick answer: is 3 legit? Issues below reflect what reviewers reported, not findings of wrongdoing.

Reviewers most often report that support is unhelpful, with 54 out of 92 identified complaints citing this issue. Billing errors are the second most common concern, appearing in 23 complaints, followed by poor core service in 20 complaints. The trend for unhelpful support is rising, while billing errors and poor core service are falling. Other miscellaneous issues were reported in 10 complaints, with a rising trend.

Trustpilot lists this business as no longer collecting reviews. New reviews are not currently being gathered for its profile. See the Trustpilot page for the current status.

What are the most common complaints about 3?

Complaint categories for 3, with share, count, trend and monthly pattern
IssueShareCountTrendBy month
Support unhelpful
59%
54rising since 2025-12Support unhelpful: complaint share by month: 0 → 100
Billing errors
25%
23fallingBilling errors: complaint share by month: 66.7 → 0
Poor core service
22%
20fallingPoor core service: complaint share by month: 33.3 → 0
Other
11%
10rising since 2025-12Other: complaint share by month: 0 → 0
Refund refused
10%
9steadyRefund refused: complaint share by month: 33.3 → 0
Account/app problems
10%
9fallingAccount/app problems: complaint share by month: 0 → 0

Support unhelpful

54 reports · 59% of complaints
“Even after mutual termination of the contract I'm having to contact them to put things right”
1-star review · 2025-01-15 · Trustpilot · Verbatim

5 readers marked this review helpful on Trustpilot.

“automatic direct debits have continued for the past 11 months”
1-star review · 2025-05-28 · Trustpilot · Verbatim · classified as a severe complaint

2 readers marked this review helpful on Trustpilot.

“they lost it and have billed me for the past 6 months”
1-star review · 2025-04-16 · Trustpilot · Verbatim · classified as a severe complaint

2 readers marked this review helpful on Trustpilot.

Billing errors

23 reports · 25% of complaints
“they were continuing to charge me over direct debit despite providing me with written confirmation that they had cancelled my contract”
1-star review · 2024-08-01 · Trustpilot · Verbatim · classified as a severe complaint

4 readers marked this review helpful on Trustpilot.

“automatic direct debits have continued for the past 11 months”
1-star review · 2025-05-28 · Trustpilot · Verbatim · classified as a severe complaint

2 readers marked this review helpful on Trustpilot.

“They have tried to take another payment in January 2025.”
1-star review · 2025-01-06 · Trustpilot · Verbatim · classified as a severe complaint

2 readers marked this review helpful on Trustpilot.

Poor core service

20 reports · 22% of complaints
“signal has been diabolical!! Awful 5g and if 4g is available it's slow.”
2-star review · 2024-12-30 · Trustpilot · Verbatim

2 readers marked this review helpful on Trustpilot.

“Its the broken 5G mast that they say they are supposedly fixing for the last four months meanwhile the Internet connection is getting worse”
1-star review · 2026-06-16 · Trustpilot · Verbatim · classified as a severe complaint

1 reader marked this review helpful on Trustpilot.

“We lost internet connection on Friday afternoon and to make things worse our phones run with 3 so there was no connection”
1-star review · 2024-09-15 · Trustpilot · Verbatim · classified as a severe complaint

1 reader marked this review helpful on Trustpilot.

Other

10 reports · 11% of complaints
“ZERO STARS FOR THIS NASTY DISORGANISATION”
1-star review · 2025-07-12 · Trustpilot · Verbatim

2 readers marked this review helpful on Trustpilot.

“Dealing with Tree UK have been an unpleasant and stressful experience”
1-star review · 2025-06-13 · Trustpilot · Verbatim

2 readers marked this review helpful on Trustpilot.

“It’s verging on criminal how they behave towards customers”
1-star review · 2025-01-22 · Trustpilot · Verbatim

2 readers marked this review helpful on Trustpilot.

Refund refused

9 reports · 10% of complaints
“they were continuing to charge me over direct debit despite providing me with written confirmation that they had cancelled my contract”
1-star review · 2024-08-01 · Trustpilot · Verbatim · classified as a severe complaint

4 readers marked this review helpful on Trustpilot.

“they lost it and have billed me for the past 6 months”
1-star review · 2025-04-16 · Trustpilot · Verbatim · classified as a severe complaint

2 readers marked this review helpful on Trustpilot.

“They have tried to take another payment in January 2025.”
1-star review · 2025-01-06 · Trustpilot · Verbatim · classified as a severe complaint

2 readers marked this review helpful on Trustpilot.

Account/app problems

9 reports · 10% of complaints
“I have not had access to my account in 3 months.”
1-star review · 2024-12-29 · Trustpilot · Verbatim · classified as a severe complaint

2 readers marked this review helpful on Trustpilot.

“We are going on 1 week now without being able to log into my account”
1-star review · 2025-02-05 · Trustpilot · Verbatim

2 readers marked this review helpful on Trustpilot.

“your SIM had been turned off as soon as I ordered the e-SIM”
1-star review · 2025-09-06 · Trustpilot · Verbatim · classified as a severe complaint

1 reader marked this review helpful on Trustpilot.

92complaints identified
92%of recent reviews analysed
0%of negative reviews get a company reply, typically within a day

The company has not claimed its Trustpilot profile. We last checked this profile on 2026-11-11 and found 0 new reviews. These are facts Trustpilot publishes about the profile, as of our last harvest.

Forum footprint: 334 MoneySavingExpert forum discussions mention this company (browse). Roughly 0 of the top, relevance-sorted search results were posted in the last 90 days — an approximate figure by construction, not a true recency count. Recent thread titles: “3 Broadband.”, “3 Broadband - any good?”, “BT Option 3 Broadband £4.95?”.

TrustScore over time

1.2 → 1.2 across 3 census measurements since 2026-09-30. Our own record, independent of Trustpilot’s display.

Reply behaviour over time

Solid: % of negative reviews replied to. Dashed: typical days to reply. Both as reported on this company’s Trustpilot profile, recorded whenever our census re-checked it and a figure had changed — the gaps between points are not equal:

Show all 3 dated readings

2026-09-30 (0%, 0.0d) · 2026-10-30 (0%, 0.0d) · 2026-11-08 (0%, 0.0d).

Severity: 38% of this company’s 92 graded complaints were classified as severe (money lost, an essential service cut off, or a problem unresolved for months). See the harm index.

Reviewers here waited a median of 0.8 days between the experience and publishing their negative review (94 reviews record both dates).

Sector benchmark: support unhelpful makes up 59% of this company’s complaints vs a 33% median across 114 ranked companies in its sector.

Review velocity: 15 of this company’s 649 Trustpilot reviews (2%) were written in the last 12 months.

Method: reviews are classified into a fixed complaint taxonomy by an automated reader; every category shown is backed by at least two verbatim quotes from distinct reviews. Trends are computed from dated review counts only. Negative reviews are deliberately over-sampled for evidence depth; headline percentages use an unbiased recent sample only. Report updated 2026-09-30.