Castle vs Guardinex, Inc.
Guardinex, Inc.
Protect businesses and their customers from identity fraud
14 employees · est. 2020 · United States
Castle is the older company (2015 vs 2020).
Side-by-Side Comparison
| Metric | Castle | Guardinex, Inc. |
|---|---|---|
| Founded | ||
| Founded | 2015 older | 2020 |
| Headquarters | ||
| Headquarters | Brooklyn, United States | United States |
| Employees | ||
| Employees | 48 | 14 |
| Industry | ||
| Industry | Big Data, Cyber Security, Fintech | Analytics, Big Data, Financial Services |
| Funding Stage | ||
| Funding Stage | Venture round | Series A |
| Total Funding | ||
| Total Funding | $11.56M | $5.00M |
| Funding Rounds | ||
| Funding Rounds | 5 | 1 |
| Services | ||
| Services | fraud defense at the edge, in-app fraud detection with SDK, real-time risk analysis and management, custom security flows and rules engine, API integration for threat insights | Not tracked yet |
| Target Customers | ||
| Target Customers | enterprises, businesses handling online transactions, platforms vulnerable to bot attacks, companies needing real-time fraud detection, developers integrating security features | Not tracked yet |
| Taxonomy | ||
| Taxonomy | Bot ProtectionFraud PreventionAccount Takeover ProtectionTransaction Fraud DetectionSpam BlockingDevice Fingerprinting +9 | Fraud PreventionIdentity FraudCredit FraudApplication FraudPayment FraudAccount Takeover Fraud +6 |
| Website | ||
| Website | castle.io | guardinex.com |
About Castle
Castle, founded in 2015, has positioned itself as a pivotal player in the realms of Big Data, Cyber Security, and Fintech. Based in the United States, the company offers advanced solutions to block bad bots, account takeovers, transaction fraud, and spam, distinguishing itself by eliminating the nee...
About Guardinex, Inc.
Guardinex, Inc. is a US-based startup founded in 2020 with a mission to "Protect businesses and their customers from Identity Fraud." The company operates in Analytics, Big Data, Financial Services, Fintech, Information Technology, and Machine Learning industries. Their latest milestone was a $5.00M...
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Compiled from the BounceWatch company index. We last looked at Castle on 27 Mar 2026, and Guardinex, Inc. on 12 Sep 2024. 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.
