SEON vs Sardine: Features, Coverage and Pricing Compared (2026)

Key Features Compared

SEON vs Sardine at a Glance, November 2026

Feature	SEON	Sardine
Ratings
Fintech Index score	81 / 100Higher score	77 / 100
Overview
What it is	Budapest and Austin fraud prevention and AML platform that scores sign-ups, logins, and payments with digital footprint and device data for fintechs, marketplaces, and iGaming operators	San Francisco fraud and compliance platform that uses device, behavior, and payment data to stop fraud and money laundering for banks and fintechs
Who uses it	More than 5,000 businesses, including fintechs, payment companies, marketplaces, and iGaming operators	More than 450 enterprises, including FIS, Deel, GoDaddy, and X
Main products	Digital footprint and device fraud scoring, identity verification, AML screening, and transaction monitoring	Device and behavior signals, KYC and KYB, payment fraud checks, transaction monitoring, and AI agents for alerts
Where it operates	Global, with offices in Austin, London, Budapest, Jakarta, and Singapore	Global
Products and features
Transaction monitoring	Included on Premium	Included
Device and behavior signals	Core strength	Core strength
Pricing
How pricing works	Starter $699 a month for 2,500 fraud checks, 10 users, and 50 rules; Premium priced on request	Quoted by product; fraud and AML modules can be bundled
Published prices	Starter price postedStarter price posted	Quote only
Technology and compliance
Certifications and compliance	Fraud and AML controls for regulated firms	Fraud and AML controls for regulated firms
Developer tools	API, integration guide, and MCP server for AI tools	APIs and SDKs for device and behavior data
Integrations and partners	Shopify, AWS, and API connections to onboarding and payment flows	Payment and account activity data
Onboarding and support	Support tickets and email on Starter; managed risk services available	Starts with a demo; setup covers rules and integrations for each product bought
Company
Founded	2017	2020
Headquarters	Austin, Texas, and Budapest, Hungary	San Francisco, California
Ownership	Private fraud prevention and AML software	Private company
Funding	Approximately $187M, including an $80M Series C led by Sixth Street Growth in September 2025 with IVP, Creandum, Firebolt, and Hearst	~$145M raised, including a $70M Series C in February 2025 led by Activant Capital, with Andreessen Horowitz, Nyca Partners, GV, Experian Ventures, and Moody’s among its investors
Key leader	Tamás Kádár	Soups Ranjan
Scale	More than 15 million transactions secured a day; approximately $187M raised	$1.8T of payments screened; 6.5 billion devices profiled

Fintech Index Scores Compared

We rate every company on eight criteria from 0 to 100, four tied to what buyers in its sector need and four shared by every company, and the rating is their average. SEON scores 81 and Sardine scores 77.

Criterion Scores Out of 100

Key Differences Between SEON and Sardine

Pricing

SEON posts a Starter plan at $699 a month for 2,500 fraud checks, 10 users, and 50 custom rules, and prices Premium on request. Sardine quotes each product and bundles fraud and AML modules.

Signals

SEON checks more than 1,100 first-party signals tied to an email address, phone number, IP address, and device. Sardine is known for device and behavior data, with 6.5 billion devices profiled.

Scale

SEON serves more than 5,000 businesses and has raised approximately $187M. Sardine serves more than 450 enterprises and has screened $1.8 trillion of payments.

Pros and Cons

Who Each Is Best For

Alternatives to SEON and Sardine

These companies, all reviewed and rated on The Fintech Index, cover some of the same ground as SEON and Sardine.

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Frequently Asked Questions