Octopus Energy vs Outfox Energy: most-reported complaints compared
Most-reported issues at Octopus Energy and Outfox Energy, according to reviewers on Trustpilot — classified by our automated reader and backed by verbatim quotes from distinct reviews. This is a side-by-side of what reviewers report, not a score, rating or recommendation for either company.
Octopus Energy
TrustScore 4.8 · 876,929 reviews on Trustpilot.
3,669 reviews analysed, 2026-06-15 to 2026-09-27.
Complaint rate (recent window): 5%
97% of negative reviews get a company reply.
“Octopus have incorrectly switched our supply to another company, and attempted to charge my wife and I over £5000 of energy that we didn’t use.”
Outfox Energy
TrustScore 4.8 · 56,002 reviews on Trustpilot.
1,712 reviews analysed, 2021-10-13 to 2026-09-19.
Complaint rate (recent window): 5%
100% of negative reviews get a company reply.
“They tried to bill me after I was no longer a customer as well.”
Reported on both
Issues with an evidenced category (at least two verbatim quotes) on both sides.
| Issue | Octopus Energy | Outfox Energy |
|---|---|---|
| Support unhelpful | 42% | 40% |
| Billing errors | 28% | 29% |
| Support unreachable | 17% | 25% |
| Account/app problems | 10% | 10% |
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. Figures are census classifications, not official statistics, and reflect what reviewers reported — not findings of wrongdoing by either company. Not affiliated with, endorsed by, or sponsored by Trustpilot A/S, Octopus Energy or Outfox Energy.