SumUp vs GlobalWebPay: most-reported complaints compared
Most-reported issues at SumUp and GlobalWebPay, 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.
SumUp
TrustScore 4.2 · 57,762 reviews on Trustpilot.
2,206 reviews analysed, 2025-09-16 to 2026-09-23.
Complaint rate (recent window): 16%
89% of negative reviews get a company reply.
“I’ve been ignored and blanked for nearly a month. I’ve even put in a complaint and that’s been completely ignored.”
GlobalWebPay
TrustScore 4.9 · 6,714 reviews on Trustpilot.
327 reviews analysed, 2012-10-29 to 2026-08-29.
Complaint rate (recent window): 1%
100% of negative reviews get a company reply.
“only 19 dollars received on the other end and they also charged me an extra £4.75 charge”
Reported on both
Issues with an evidenced category (at least two verbatim quotes) on both sides.
| Issue | SumUp | GlobalWebPay |
|---|---|---|
| Support unhelpful | 32% | 15% |
| Billing errors | 11% | 12% |
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, SumUp or GlobalWebPay.