Sellvia vs Slash: most-reported complaints compared
Most-reported issues at Sellvia and Slash, 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.
Sellvia
TrustScore 3.6 · 1,561 reviews on Trustpilot.
334 reviews analysed, 2026-07-17 to 2026-09-24.
Complaint rate (recent window): 25%
98% of negative reviews get a company reply.
“They say it’s accessible through reports but it’s not and there are no reports.”
Slash
TrustScore 4.4 · 426 reviews on Trustpilot.
166 reviews analysed, 2025-11-04 to 2026-09-01.
Complaint rate (recent window): 13%
50% of negative reviews get a company reply.
“customer support will ghost you”
Reported on both
Issues with an evidenced category (at least two verbatim quotes) on both sides.
| Issue | Sellvia | Slash |
|---|---|---|
| Support unhelpful | 14% | 38% |
| Billing errors | 11% | 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, Sellvia or Slash.