ComplaintCensus

Outfox Energy vs EDF UK: most-reported complaints compared

Most-reported issues at Outfox Energy and EDF UK, 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.

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.

Support unhelpful40%
Billing errors29%
Support unreachable25%
Account/app problems10%
Refunds delayed9%
“They tried to bill me after I was no longer a customer as well.”
2★ Trustpilot review, 2024-01-20

EDF UK

TrustScore 4.8 · 258,869 reviews on Trustpilot.

3,614 reviews analysed, 2026-03-25 to 2026-09-26.

Complaint rate (recent window): 4%

100% of negative reviews get a company reply.

Support unhelpful50%
Billing errors29%
Support unreachable17%
Account/app problems8%
Missed appointments8%
“they sent post of final bill too wrong address then i had a letter of debt agency saying i owed money”
1★ Trustpilot review, 2026-07-30

Reported on both

Issues with an evidenced category (at least two verbatim quotes) on both sides.

IssueOutfox EnergyEDF UK
Support unhelpful40%50%
Billing errors29%29%
Support unreachable25%17%
Account/app problems10%8%

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, Outfox Energy or EDF UK.