Signifyd
Signifyd sells a Commerce Protection Platform to enterprise ecommerce merchants. It covers account takeover protection, guaranteed fraud protection at checkout, chargeback protection, authorization rate optimization and return insights. Its machine-learning models run on a Commerce Network of thousands of merchants and about 950 million digital wallets (2026). The company is VC-backed and has raised roughly $390–420M. Its last round was a $205M Series E in April 2021, which valued it at about $1.34B. It was founded in 2011 and has offices in the US, Europe and Latin America.
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