British Gas vs Ecosave Gas & Power: most-reported complaints compared
Most-reported issues at British Gas and Ecosave Gas & Power, 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.
British Gas
TrustScore 4.4 · 356,673 reviews on Trustpilot.
3,335 reviews analysed, 2026-01-29 to 2026-09-27.
Complaint rate (recent window): 18%
100% of negative reviews get a company reply.
“absurd, wild bills—including single charges as high as £3,980”
Ecosave Gas & Power
TrustScore 4.9 · 10,291 reviews on Trustpilot.
387 reviews analysed, 2023-07-20 to 2026-09-04.
Complaint rate (recent window): 4%
3% of negative reviews get a company reply.
“They are trying to charge £1893.31 to move my supply.”
Reported on both
Issues with an evidenced category (at least two verbatim quotes) on both sides.
| Issue | British Gas | Ecosave Gas & Power |
|---|---|---|
| Support unhelpful | 48% | 12% |
| Support unreachable | 15% | 16% |
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, British Gas or Ecosave Gas & Power.