# Top 11 Fraud Detection and Prevention Startups Worldwide by Funding (2026)

> The 11 best-funded fraud detection and prevention startups worldwide, ranked by total funding raised: $75M combined.

Source: https://millionrounds.com/top-lists/fraud-detection-and-prevention-startups (Millionrounds; every figure on the page links to its filing or article)

- 1 [**Cleafy** Cleafy is a cybersecurity company based in Milan, founded in 2014.](https://millionrounds.com/company/cleafy) Cleafy is a cybersecurity company based in Milan, founded in 2014. *Founded* 2014 Milan, Italy **$25M** last round Mar 2026
- 2 [**Ravelin** Ravelin is a smart fraud detection and prevention platform that helps companies stop online payment fraud.](https://millionrounds.com/company/ravelin) Ravelin is a smart fraud detection and prevention platform that helps companies stop online payment fraud. *Founded* 2014 London, United Kingdom **$23M** last round Jul 2020
- 3 [**Bleckwen** Bleckwen is a software development company based in Paris, France, founded in 2018.](https://millionrounds.com/company/bleckwen) Bleckwen is a software development company based in Paris, France, founded in 2018. *Founded* 2018 Paris, France **$10M** last round Jun 2019
- 4 [**UrbanFox** UrbanFox is an AI-powered company specializing in online payment fraud detection and prevention.](https://millionrounds.com/company/urbanfox) UrbanFox is an AI-powered company specializing in online payment fraud detection and prevention. *Founded* 2015 Dublin, Ireland **$8.0M** last round Mar 2025
- 5 [**Verosint** Real-time Account Fraud Detection & Prevention Platform](https://millionrounds.com/company/verosint) Real-time Account Fraud Detection & Prevention Platform *Founded* 2021 Austin, United States **$4.0M** last round Oct 2023
- 6 [**ClearTrust** ClearTrust is a cybersecurity-grade platform focused on ad fraud detection, traffic quality management, and fraud prevention within the digital advertising ecosystem.](https://millionrounds.com/company/cleartrust) ClearTrust is a cybersecurity-grade platform focused on ad fraud detection, traffic quality management, and fraud prevention within the digital advertising ecosystem. *Founded* 2020 Bengaluru, India **$1.9M** last round Jan 2024
- 7 [**Ironchip** Ironchip is a Spanish deep-tech cybersecurity startup founded in 2017 in Barakaldo, specializing in identity threat detection, fraud prevention, and passwordles](https://millionrounds.com/company/ironchip) Ironchip is a Spanish deep-tech cybersecurity startup founded in 2017 in Barakaldo, specializing in identity threat detection, fraud prevention, and passwordles *Founded* 2017 Barakaldo, Spain **$1.7M** last round Jun 2025
- 8 [**Guzco** Guzco is a software development company based in Amsterdam, Netherlands, founded in 2024.](https://millionrounds.com/company/guzco) Guzco is a software development company based in Amsterdam, Netherlands, founded in 2024. *Founded* 2025 Amsterdam, Netherlands **$1.2M** last round May 2026
- 9 [**Bayonet** Bayonet is a fintech and operational risk management company based in Mexico City, specializing in fraud prevention, revenue optimization, and anomaly detection](https://millionrounds.com/company/bayonet) Bayonet is a fintech and operational risk management company based in Mexico City, specializing in fraud prevention, revenue optimization, and anomaly detection *Founded* 2016 Mexico City, Mexico **$520K** last round Oct 2022
- 10 [**Trench** Trench provides an open-source fraud prevention platform for marketplaces, featuring data collection, a dashboard, and a rule engine.](https://millionrounds.com/company/trench) Trench provides an open-source fraud prevention platform for marketplaces, featuring data collection, a dashboard, and a rule engine. *Founded* 2023 San Francisco, United States **$500K** last round Sept 2023
- 11 [**Meysey** Meysey is an AI-powered fraud prevention and detection tool for small and medium-sized businesses.](https://millionrounds.com/company/meysey) Meysey is an AI-powered fraud prevention and detection tool for small and medium-sized businesses. *Founded* 2023 London, United Kingdom **$318K** last round Mar 2024

**Total funding** how the list is ranked

**15 November 2026** updated nightly

**Rounds we track** source: Millionrounds

Companies whose own description names this theme, ranked by the total they have raised in rounds we hold. Nobody pays to be on a list.

## Who backed them?

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## More lists worldwide

[See all](https://millionrounds.com/top-lists?r=Global)

[*GV* *V* *RP* **Health startups worldwide** 12,811 companies · $81B](https://millionrounds.com/top-lists/health-startups)[*O* *A* *X* **AI startups worldwide** 10,238 companies · $830B](https://millionrounds.com/top-lists/ai-startups)[*GV* *V* *RP* **Biotech startups worldwide** 7,127 companies · $70B](https://millionrounds.com/top-lists/biotech-startups)[*D* *B* *FT* **Big data startups worldwide** 3,812 companies · $220B](https://millionrounds.com/top-lists/big-data-startups)[*AF* *R* *S* **Fintech startups worldwide** 3,200 companies · $94B](https://millionrounds.com/top-lists/fintech-startups)[*O* *A* *B* **AI startups that raised in 2026** 2,922 companies · $540B in 2026](https://millionrounds.com/top-lists/ai-startups-raised-2026)[*FT* *CE* *P* **Energy providers startups worldwide** 2,808 companies · $152B](https://millionrounds.com/top-lists/energy-providers-startups)[*A* *P* *O* **Marketing tech startups worldwide** 2,728 companies · $28B](https://millionrounds.com/top-lists/marketing-tech-startups)