Sift vs Simility, A PayPal Service
Sift
Sift is the leading fraud prevention platform delivering digital trust to 700+ global brands
284 employees · est. 2011 · San Francisco, United States
Simility, A PayPal Service
Adaptive Decisioning Platform built with a data-first approach to deliver continuous risk assurance
21 employees · est. 2014 · San Jose, United States
Sift is the older company (2011 vs 2014); Sift is the larger of the two.
Side-by-Side Comparison
| Metric | Sift | Simility, A PayPal Service |
|---|---|---|
| Founded | ||
| Founded | 2011 older | 2014 |
| Headquarters | ||
| Headquarters | San Francisco, United States | San Jose, United States |
| Employees | ||
| Employees | 284 larger | 21 |
| Industry | ||
| Industry | Analytics, Big Data, Cyber Security | Fintech, Payments, Platforms |
| Funding Stage | ||
| Funding Stage | Series E | IPO |
| Total Funding | ||
| Total Funding | $156.73M | $4.03B |
| Funding Rounds | ||
| Funding Rounds | 7 | 12 |
| Services | ||
| Services | Payment Protection, Account Defense, Sift Score API, Expert Services | Payment Processing, Money Transfers, Rewards and Loyalty Programs, Buyer Protection Services, Package Tracking |
| Target Customers | ||
| Target Customers | E-Commerce Platforms, Marketplaces, SaaS Companies, Fintech Firms, Travel and Transportation Businesses, Food and Delivery Services, iGaming Companies | Individual Consumers, Businesses, Online Shoppers, Frequent Travelers, Individuals in Need of Money Management |
| Taxonomy | ||
| Taxonomy | Fraud PreventionDigital Trust & SafetyFraud DetectionPredictive AnalyticsData VisualizationPayment Fraud +4 | Adaptive Decisioning PlatformRisk AssuranceReal-Time Risk SolutionsFraud DecisioningData-First ApproachAI-Powered Fraud Prevention +7 |
| Website | ||
| Website | sift.com | paypal.com |
About Sift
Sift is a company based in San Francisco, United States, specializing in fraud prevention. It serves over 700 global brands, offering its services to e-commerce platforms, marketplaces, SaaS companies, fintech firms, travel and transportation businesses, food and delivery services, and iGaming compa...
About Simility, A PayPal Service
Simility, A PayPal Service, provides real-time risk and fraud decisioning solutions to protect global businesses, headquartered in San Jose, United States. The company combines artificial intelligence and big data analytics to aid financial services, payment processors, and commerce merchants in orc...
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Compiled from the BounceWatch company index. We last looked at Sift on 11 Oct 2026, and Simility, A PayPal Service on 30 Oct 2026. Where a field is blank here, it means we have not recorded it — not that the answer is zero. How we source and date this.
