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Siren

Siren

Private
IrelandAI, Data & Cloud Infrastructurehttps://siren.io/

Last Round

Strategic

Dec 2, 2025

Total Funding Raised

$26.36M

Momentum

Top 25%

of companies Caplight tracks

Company Overview

Siren is an investigative intelligence software company that provides a platform for law enforcement, national security, and cyber security organizations to connect and analyze disparate data sources.

Sector

AI, Data & Cloud Infrastructure

Verticals

Threat Intelligence, Defense Tech, Compliance & Risk, Business Intelligence, Data Visualization

Business Model

B2G

Customer Profile

Government Contracts, Subscription SaaS, Services & Consulting

AI Layer

Application

Keywords

investigative intelligence platformlink analysisinvestigative analyticsknowledge graphdata federationthreat intelligence platformlaw enforcement softwarenational security softwareOSINT platformGovTechcyber threat intelligencefraud detection softwaredata visualizationElasticsearchentity resolutionair-gapped deployment

Historical Pricing

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Caplight Momentum Score

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Siren Comparables

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Siren comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
Chorus Intelligence
84%
Datawalk
83%
Blackdot Solutions
81%

Siren Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
StrategicDec 2, 2025
DebtFeb 23, 2023
Series ANov 14, 2019
SeedFeb 8, 2018

Key People

Founding team and executive leadership

Renaud Delbru

Chief Scientific Officer, Co-Founder

Founding Team

John Randles

CEO

Executive Team

David Stafford

Group CFO

Executive Team

Siren Investors

Notable investors and investment history

Market signals

Structured signals derived from secondary market and firmographic data.

  • Jan 20, 2026

    Monthly visitors increased 59% MoM.

  • Dec 2, 2025

    Raised a strategic round led by Elastic N.V.

Siren Filings

SEC and related filings with document metadata.

Data table
TypedDateAmount OfferedAmount SoldFillingPagesDownload
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Siren Filings

SEC and related filings with document metadata.

Frequently Asked Questions

Common questions about Siren's valuation, stock price, and market status.

Firmographic Details

HeadquartersIreland
Employee Range76
Year Founded2014
Last FundingDec 2, 2025

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