Who founded Ravelin Technology?

Ravelin Technology was founded by Nick Lally, Martin Sweeney in 2014.

Who are Ravelin Technology's investors?

Ravelin Technology's investors include Air Street Capital, Passion Capital, Techstars, Amadeus Capital Partners, Playfair Capital.

Where is Ravelin Technology headquartered?

Ravelin Technology is headquartered in London, GB.

Ravelin Technology

Techstars '15

London, GB · Founded 2014 · 168 employees on LinkedIn · 5 known investors

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Ravelin provides an AI-based fraud and abuse prevention platform for online merchants, using machine learning, consortium data, and graph-network analysis to automate risk decisions across the customer journey. Its offerings address refund abuse, account takeover, promo abuse, marketplace and partner fraud, 3D Secure authentication, and transaction optimization.

AI & Machine Learning Cybersecurity Fintech

Founders & leadership

Ravelin Technology was founded in 2014 by Nick Lally and Martin Sweeney.

Nick Lally Founder & CFONick Lally is founder and former CFO of Ravelin Technology, an AI-based fraud prevention platform for online merchants that was acquired by Worldpay in February 2025. He has held roles in strategic finance and operations across corporate and venture-backed technology companies.

Martin SweeneyCo-founder · CEO

Investors · 5

Air Street Capitallisted by Air Street CapitalSt. Peter Port · $500K – $10M

How we know: Air Street Capital's portfolio page · the VCSheet dataset · open dataset · 5k.vc investor directory · Not right? Tell us

Passion Capitallisted by Passion CapitalLondon

How we know: Passion Capital's portfolio page · a partner's Signal profile · the Companies House PSC register · Not right? Tell us

Techstarslisted by TechstarsBoulder · $220K

How we know: the Techstars portfolio · open dataset · 5k.vc investor directory · Not right? Tell us

Amadeus Capital PartnersreportedLondon · $50K – $12.7M

How we know: open dataset · 5k.vc investor directory · Not right? Tell us

Playfair CapitalreportedLondon · $130K – $1.9M

How we know: the VCSheet dataset · Not right? Tell us

Founder mafia

2 people who came through Ravelin Technology went on to found or lead other companies.

Federico Pirzio-BiroliAngel InvestorFounded Playfair Long HoangSoftware Engineer InternFounded Martini

Related companies · 10

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ChargebackgurusChargeback Gurus provides a platform combining automation, AI, and dispute-management expertise to help merchants prevent chargebacks and recover lost revenue. It offers prevention alerts, dispute representment, and analytics to reduce payment disputes.

Unit 21Unit21 provides an AI-powered fraud prevention and AML compliance platform that automates financial crime detection, investigations, and regulatory filing across the full lifecycle. The platform serves fintechs and financial institutions globally with configurable AI agents that reduce false positives and accelerate case resolution while maintaining regulatory defensibility.

ChargeflowChargeflow provides AI-driven chargeback and dispute resolution automation for eCommerce merchants, SaaS companies, and airlines. The platform automates merchant processes to recover lost revenue from credit card disputes and chargebacks.

RiskifiedRiskified provides AI and machine-learning fraud prevention that protects the ecommerce customer journey from login and checkout to refunds and returns. It serves online merchants and their fraud teams, aiming to reduce the cost of fraud and abuse while increasing sales approval rates.

SiftSift provides an AI-powered platform for fraud prevention and risk decisioning that helps digital businesses detect and manage online fraud. The platform serves companies across industries looking to reduce fraud losses while enabling secure growth.

AdyenAdyen is a payments platform that enables enterprises to accept, process, and move money across their business, with capabilities for embedded finance and financial product issuance.

Companies working in the same space as Ravelin Technology.

Companies House · registry record

View on Companies House ↗

Registered name: RAVELIN TECHNOLOGY LTD
Company number: 09273460
Status: Active
Company type: Private limited company
Incorporated: 21 Oct 2014
Registered office: Bentima House, 168-172 Old Street, London, EC1V 9BP
Nature of business (SIC): 63110 — Data processing, hosting and related activities
Accounts: last made up to 31 Dec 2024 · next due 30 Sept 2026
Confirmation statement: last made up to 24 Aug 2025 · next due 7 Sept 2026

Current officers · 4

Gabriel De Montessus — director, appointed 21 Feb 2025
Krunal Patel — director, appointed 21 Feb 2025
Martin Hugh Sweeney — director, appointed 21 Oct 2014
John Winstel — director, appointed 21 Feb 2025

Source: Companies House public register · retrieved 3 Aug 2026. Contains public sector information licensed under the Open Government Licence v3.0.

Frequently asked questions

What does Ravelin Technology do?: Ravelin provides an AI-based fraud and abuse prevention platform for online merchants, using machine learning, consortium data, and graph-network analysis to automate risk decisions across the customer journey. Its offerings address refund abuse, account takeover, promo abuse, marketplace and partner fraud, 3D Secure authentication, and transaction optimization.
Who founded Ravelin Technology?: Ravelin Technology was founded by Nick Lally, Martin Sweeney in 2014.
Who are Ravelin Technology's investors?: Ravelin Technology's investors include Air Street Capital, Passion Capital, Techstars, Amadeus Capital Partners, Playfair Capital.
Where is Ravelin Technology headquartered?: Ravelin Technology is headquartered in London, GB.