SEON
formerly SEON Fraud FightersThe AI command center for fraud prevention and AML compliance.
SEON was founded in 2017, is headquartered in London, United Kingdom, lists 201–500 employees, and has $188.9M in recorded funding across 7 rounds.
- Headquarters
- London
- Employees
- 201–500
- Founded
- 2017
- Business Model
- B2B
- Website
- seon.io
- Total Funding
- $188.9M
- Last Round
- $80.0M Series CSep 2025
- Rounds
- 7
Totals include recorded grants and other qualifying funding, not just equity. What counts toward funding.
Indexed holds 7 funding rounds and 6 investors for this company. The full record is or through the API.
About
SEON was founded in January 2017 by Tamas Kadar and Bence Jendruszak after the pair encountered relentless fraud attacks while building a cryptocurrency startup and found existing anti-fraud tools too slow and complex. The platform combines over 900 real-time first-party data signals with an adaptive AI rules engine to deliver fraud prevention, AML compliance, KYC, and transaction monitoring in a unified command center. Serving more than 5,000 businesses globally and claiming to have prevented over $300 billion in fraud losses, SEON operates from offices in London, Budapest, Austin, and Singapore with a team of 300+ employees. The company raised an $80 million Series C led by Sixth Street in September 2025.
Summary
SEON is an Artificial Intelligence company based in London, United Kingdom, founded in 2017. It lists 201–500 employees. It has raised $188.9M in total across 7 rounds, most recently a $80.0M Series C round in Sep 2025. Investors include Creandum, PortfoLion and IVP.
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Funding History
Sep 2025
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Funding: Pre-Seed through Series C. Amounts, valuations, and investors where available.
Investors
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