Siren
Siren is a cybersecurity company specializing in Security Operations, founded in 2014 and headquartered in Galway, Ireland. It has raised $14.74M in equity across 4 priced rounds, plus $12.82M debt & credit, employs about 74 people, and is privately held.
updated Oct 11, 2026
Latest Siren news and company activity
What Siren did, dated — selected moves from the record, one per kind, newest first.
- Jul 2026PartnershipOcient and Siren Partner to Deliver Trusted Investigative Intelligence for Sovereign National Security
- Jul 2026PartnershipOcient and Siren Enhance Federal Data Analysis
- Dec 2025Funding roundSiren Secures Investment to Advance AI-Driven Investigations for National Security
- Oct 2024Partnership
Siren Momentum score
56/ 100
Mandos Momentum blends hiring, funding, traffic and sentiment into one score out of 100. The score is free; the pillars behind it unlock in the platform.
Siren funding
Siren has raised $14.74M in priced equity, plus $12.82M debt & credit. Its most recent round was a Strategic Investment in December 2025.
- Equity raised
- $14.74M4 priced rounds
- Last round
- Strategic InvestmentDec 2025
- Other instruments
- $12.82M debt
Siren employees and hiring
Siren has about 74 employees, down 1% over the last 30 days.
- Employees
- 74
- 30-day change
- -1%
- Open roles
- 0
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The other 440 data points.
- Funding historyevery round, every investor named
- Headcount growthvelocity, departments, seniority
- Open jobslive postings, hiring pace, role mix
- Tech stackframeworks, clouds, security
