Signifyd is a US commerce protection platform that replaces "should a human look at this" with a ship-or-not ship decision backed by a 100% financial guarantee, across 4 lines covering session intelligence, account integrity, purchase optimisation and returns assurance in 100+ countries.
Riskified, founded in Israel in 2013, sells chargeback liability shift rather than fraud tooling alone, letting merchants tune approval strategy to their risk tolerance while guaranteed fraud chargebacks are absorbed by the provider, alongside account takeover protection and checkout failure remediation.
Forter is a US identity-intelligence fraud provider that judges who a customer is rather than whether a transaction looks fraudulent, with 6 product lines spanning fraud management, payment optimization, disputes, account protection and abuse prevention, delivering decisions without a loss guarantee.
Ravelin is a UK fraud and payments technology company that covers refund abuse, promo abuse and marketplace partner fraud beyond payment fraud, and maintains a country-level 3DS success-rate map that treats 3DS as a conversion variable rather than a compliance switch.
Wintranx is a cross-border payment risk provider working on the acquiring bank and payment institution side, covering pre, in and post-transaction risk across 3 phases with products grouped into Chargeback, Fraud, Compliance and FaaS.