Ravelin is a London-based AI-native fraud detection and prevention platform that helps online merchants identify and stop payment fraud, account takeover, refund and policy abuse, marketplace fraud, and other e-commerce threats. Its products combine machine learning, graph network analysis, behavioural analytics, customisable rules, and 3D Secure authentication to let merchants accept more legitimate payments while blocking fraud. Ravelin was founded in 2014 by Martin Sweeney, Leonard Austin, Mairtin O'Riada, Nick Lally, and Stephen Whitworth, and announced it would be acquired by Worldpay in February 2025.
Ravelin has been acquired
This company is no longer available on our private secondary market.
Company data and valuation marks are estimates and may be incomplete, stale, erroneous, or revised.
Founded
2014
Employees
130–200
Total Funding
$34.5M
4 rounds
Total raised $34.5M across 4 rounds
Funding data and valuation marks are estimates and may be incomplete, stale, erroneous, or revised.
Last updated 06-25-2026
Latest Round
Type
Series C
Date
July 15, 2020
Amount
$20M
Valuation
—
Lead Investors
| Date | Round | Amount Raised | Valuation | Lead Investors |
|---|---|---|---|---|
| July 15, 2020 | Series C | $20M | — | Draper Esprit |
| September 11, 2018 | Series B | $10.5M | — | Amadeus Capital Partners |
| 2016 | Series A | $4M | — | Not disclosed |
Martin Sweeney
Co-Founder & CEO
Leonard Austin
Co-Founder & CTO
Nick Lally
Co-Founder & CFO
Mairtin O'Riada
Co-Founder
Stephen Whitworth
Co-Founder
Competitor list is illustrative and may be incomplete, stale, or erroneous.
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