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Uswich vs E.ON Next Energy Ltd: most-reported complaints compared

Most-reported issues at Uswich and E.ON Next Energy Ltd, 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.

Uswich

TrustScore 4.7 · 70 reviews on Trustpilot.

70 reviews analysed, 2016-02-17 to 2025-12-04.

Complaint rate (recent window): 6%

0% of negative reviews get a company reply.

Misleading pricing75%
“tariff was then almost doubled within a few months by the new supplier”
1★ Trustpilot review, 2021-05-04

E.ON Next Energy Ltd

TrustScore 4.5 · 246,706 reviews on Trustpilot.

6,506 reviews analysed, 2026-07-04 to 2026-11-10.

Complaint rate (recent window): 12%

100% of negative reviews get a company reply.

Support unhelpful32%
Billing errors19%
Support unreachable12%
Overcharging11%
Account/app problems8%
“Appalling communication and a customer service department full of platitudes and excuses”
1★ Trustpilot review, 2026-10-31

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, Uswich or E.ON Next Energy Ltd.