Silentium Defence
PrivateLast Round
Grant
Jul 28, 2025
Total Funding Raised
$10.48M
Momentum
Top 10%
of companies Caplight tracks
Company Overview
Silentium Defence is an aerospace and defense company that develops and deploys passive radar systems for tactical and strategic surveillance across land, sea, air, and space.
Sector
Frontier & Industrial Tech
Verticals
Defense Tech, Sensors, Threat Intelligence
Business Model
B2G
Customer Profile
Government Contracts, Hardware Sales, Services & Consulting
AI Layer
Non-AI
Keywords
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Silentium Defence Comparables
Compare Silentium Defence with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Daronmont Technologies | 84% | |
| Hidden Level | 81% | |
| Hensoldt | 76% | |
Silentium Defence Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Grant | Jul 28, 2025 | ||||
| Accelerator | Jul 27, 2022 | ||||
| Corporate Funding | Jul 27, 2021 | ||||
| Grant | Oct 12, 2020 | ||||
| Grant | Jun 18, 2020 | ||||
Grant | Jul 19, 2018 |
Key People
Founding team and executive leadership
Silentium Defence Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Catalyst Accelerator | Accelerator |
| South Australian Early Commercialisation Fund | Grant |
| Australian Government Defence Innovation Hub | Grant |
| Australian Space Agency | Grant |
Market signals
Structured signals derived from secondary market and firmographic data.
- Jul 20, 2026
Open roles increased to 108, 3.8x the trailing average.
- May 19, 2026
Matthew Ratnesar appointed Chief Executive Officer, North America.
Silentium Defence Filings
SEC and related filings with document metadata.
| Typed | Date | Amount Offered | Amount Sold | Filling | Pages | Download |
|---|---|---|---|---|---|---|
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Frequently Asked Questions
Common questions about Silentium Defence's valuation, stock price, and market status.