Constellation vs Ambit Energy: VIP Concierge Team: most-reported complaints compared
Most-reported issues at Constellation and Ambit Energy: VIP Concierge Team, 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.
Constellation
TrustScore 4.2 · 327 reviews on Trustpilot.
177 reviews analysed, 2026-04-30 to 2026-09-22.
Complaint rate (recent window): 15%
98% of negative reviews get a company reply.
“I apply for service and recieved nothing with out an explanation.”
Ambit Energy: VIP Concierge Team
TrustScore 4.7 · 644 reviews on Trustpilot.
169 reviews analysed, 2025-11-07 to 2026-09-02.
Complaint rate (recent window): 7%
93% of negative reviews get a company reply.
“We have paid another apartment's electric AND ours for the last two months”
Reported on both
Issues with an evidenced category (at least two verbatim quotes) on both sides.
| Issue | Constellation | Ambit Energy: VIP Concierge Team |
|---|---|---|
| Account/app problems | 18% | 18% |
| Support unhelpful | 18% | 36% |
| Billing errors | 11% | 27% |
| Misleading pricing | 11% | 18% |
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, Constellation or Ambit Energy: VIP Concierge Team.