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Signifyd

Leader

Signifyd is the leading e-commerce fraud protection platform offering a financial chargeback guarantee backed by machine learning; protects over $100B in annual commerce for retailers including Walmart, Samsung, and Lacoste;

Best for: E-commerce Fraud Protection & Chargeback GuaranteeMarket leader
CybersecurityE-commerce Fraud Protection & Chargeback GuaranteeWebsiteUpdated May 2026

Company Overview

About Signifyd

Signifyd is a fraud prevention and commerce protection company founded in 2011 by Rajesh Ramanand and Michael Liberty, headquartered in San Jose, California. The company's core product is a machine-learning-powered fraud platform that evaluates every order placed on an e-commerce site in real time, assigning a confidence score and a financial guarantee: if Signifyd approves an order and it turns out to be fraudulent, Signifyd reimburses the chargeback — shifting the liability from the retailer to Signifyd. This chargeback guarantee model fundamentally changes the economics of fraud prevention, allowing merchants to approve more orders with confidence rather than declining borderline transactions out of caution.

Business Model & Competitive Advantage

Signifyd's network effect is central to its competitive moat. The platform processes over $100B in annual e-commerce transactions across thousands of merchants, building a proprietary consortium dataset that enables it to recognize legitimate buyers and fraudulent actors at a scale individual retailers cannot match. Its Commerce Protection Platform covers fraud, abuse (returns fraud, promotion abuse, account takeover), and compliance — giving enterprise retailers a unified protection layer across the order lifecycle. Major customers include Walmart, Samsung, Lacoste, Farfetch, and hundreds of mid-market and enterprise brands.

Competitive Landscape 2025–2026

The company raised $410M in total venture funding, including a $205M Series E in 2021 led by Owl Rock Capital (now Blue Owl), with participation from Neuberger Berman, Dragoneer Investment Group, and earlier investors. Signifyd integrates natively with Shopify, Salesforce Commerce Cloud, SAP, Oracle, and Magento. The company operates globally with offices in San Jose, London, Belfast, and Sydney — serving retailers across North America, Europe, and APAC who collectively depend on Signifyd to protect revenue from the growing sophistication of e-commerce fraud.

Founded
2011
Headquarters
San Jose, California
Curated content • Fact-checked and verified

Key Differentiators

Market Leader

Signifyd is recognized as a market leader in the Cybersecurity sector, demonstrating strong industry presence and customer trust.

Frequently Asked Questions

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