S
Siren
Powering Investigations ✨
About Siren
We are on a mission to keep people, assets and networks safe and enable those on the front line and intelligence teams.
Read full description
Siren is an all-in-one investigation platform used by organizations to safeguard people, assets and networks. Siren links data from open source, vendors and classified sources allowing investigators to analyze risks, threats and crimes for the National Security, Public Safety, Fraud and Compliance, and Cyber Threat communities. Siren’s patented technology is uniquely search based providing the analyst with easy-to-use search, analytics, visualization and reporting capabilities for investigations at Enterprise scale and volume.
In November 2024, Siren made the the Deloitte Technology Fast 50 for the third consecutive year. Siren received €12 million in funding in 2023 and was named as a Gartner Cool Vendor. For more information, visit www.siren.io
At a glance
- Status
- Operational
- Founded
- 2011
- Headquarters
- Galway, Ireland
- Employees
- 76
- Open positions
- 1
- Dealroom signal
- 68.4/100
- Sector
- Intelligent Systems, Trading, Knowledge Management, Defence, Risk Management, Analytics, Data Analytics, Publishing, Core AI
- Technology
- Artificial Intelligence, Big Data, IoT InternetOfThings
- Business model
- SaaS
- Client focus
- b2b
Latest news
Press, funding announcements and product moves mentioning Siren.
Funding history
Company financing events and reported valuations.
| Deal type | Date | Amount | Valuation | Investors | Source |
|---|---|---|---|---|---|
| LATE VC✓Equity / VC | Dec 2025 | $0 | — | Elastic · Enterprise Ireland | ↗ |
| LATE VC✓Equity / VC | Jan 2025 | $0 | — | Enterprise Ireland | — |
Financials
Revenue, earnings and other financial measures where available. Years marked “E” are estimates.
Growth signals
Latest recorded traffic for Siren is 15K monthly website visits, down 25% over the last three months. Siren's team grew 4.1% over the past year.
Open positions
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Investors
From Dealroom's funding and investor records, grouped by the round each investor first entered.
Seed3 investors entered at this stage
Frontline Ventures
Atlantic Bridge University Fund
Atlantic Bridge
Series A3 investors entered at this stage
Enterprise Ireland
DVI Equity Partners
In-Q-Tel
Series B and later2 investors entered at this stage
European Investment Bank
Elastic
Other known investors4 additional known investors
University of Galway
Growing Capital
Khosla Ventures
Portershed
Source: Dealroom Talent Intelligence.
Global footprint
team presence
Market sentiment
An AI-synthesised read of the highest-engagement posts about Siren on X, ranked by likes and reposts, corporate channels excluded.
Reading the room on X — pulling top posts and synthesizing themes…
Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour
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