ComplaintCensus

American Express vs BOSS Money: most-reported complaints compared

Most-reported issues at American Express and BOSS Money, 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.

American Express

TrustScore 1.3 · 913 reviews on Trustpilot.

182 reviews analysed, 2025-11-28 to 2026-09-23.

Complaint rate (recent window): 93%

0% of negative reviews get a company reply.

Support unhelpful47%
Account/app problems22%
Support unreachable16%
Billing errors13%
Misleading pricing11%
“It took 3 months, hours of complaints and a complaint to the ombudsman to resolve.”
1★ Trustpilot review, 2026-01-23

BOSS Money

TrustScore 4.6 · 9,208 reviews on Trustpilot.

523 reviews analysed, 2026-07-02 to 2026-09-23.

Complaint rate (recent window): 10%

100% of negative reviews get a company reply.

Other33%
Support unhelpful16%
Account/app problems11%
Support unreachable11%
Billing errors11%
“Misleading information and malpractice”
1★ Trustpilot review, 2026-09-14

Reported on both

Issues with an evidenced category (at least two verbatim quotes) on both sides.

IssueAmerican ExpressBOSS Money
Support unhelpful47%16%
Account/app problems22%11%
Support unreachable16%11%
Billing errors13%11%

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, American Express or BOSS Money.