Spending power
TheGrid Corporate Spending Power index would rate purchasing capacity from registry, scale and activity signals.
Spending power
Key facts
Counted staff
77
self-reported 51–200 band
Founded
2017
9 years
Registry matches
2
ABR
Office countries
1
1 address
Funding rounds
None on record
Company type
Privately Held
self-reported
Legal entities
1 brand → 2 possible registrationsMatched by name against ABR, so this is a candidate list, not a confirmed identity. Confidence and match method are shown against every row.
SILENTIUM DEFENCE PTY LTD
ABN24616397383
SILENTIUM DEFENCE HOLDINGS PTY LTD
ABN48643693681
Legal entities
Show as table · Silentium Defence: 2 registry entities
| SILENTIUM DEFENCE PTY LTD | ABN 24616397383 |
|---|---|
| SILENTIUM DEFENCE HOLDINGS PTY LTD | ABN 48643693681 |
| Confirmed matches | 0 of 2 |
A candidate is a name match on the registry, not a confirmed identity, and two candidates are ambiguity rather than a corporate structure.
Description
A global leader in the design and deployment of cutting-edge passive surveillance systems, Silentium Defence is redefining situational awareness. For a demonstration of our passive radar Solutions for Defence and Space, contact our team.
Silentium Defence specialise in crafting low Size, Weight, and Power (SWaP) systems engineered for the toughest conditions to provide cost-effective situational awareness across air, land, sea and space.
At Silentium Defence, we go beyond the ordinary, offering solutions that empower organisations to protect what matters - anytime, anywhere. Our state-of-the-art systems are tailored to meet the critical surveillance and traffic management demands of high-end customers across the defence and commercial industries. We pride ourselves on developing technology that provides real-time situational awareness without highlighting your presence.
Our passive radar surveillance systems have no electromagnetic signature and enable you to detect objects discreetly, giving you the upper hand in defining risks and confidently deciding on the best course of action to protect your assets. We offer a range of products and services across defence, space and critical infrastructure protection:
- Mobile Solutions
- Situational Awareness Solutions
- Performance Prediction Tools
- Research and Development
- Space Data
- Drone Detection Capability
- Airspace monitoring and management
Silentium Defence is more than a surveillance provider; we're your strategic ally in advancing the future of situational awareness. For a demonstration of our Defence or Space passive radar Solutions, contact our team today.
Specialties
All 12 specialties
- Passive radar system design and engineering
- Space Situational Awareness
- Passive Radar education
- Trial support services
- Critical Infrastructure Protection
- Drone detection for UAV management
- Performance planning / mission analysis software
- Land
- sea
- air and space situational awareness
- UTM
- Surveillance
Locations
Country footprint
Show as table · Offices in 1 country
| Countries | 1 |
|---|---|
| Primary country | AU |
All codes: AU
Addresses
- AU39 Davis St; Wingfield, South Australia 5013Primary
Grid intelligence Members
Signals & hiring
Hiring, headcount and registry-change signals, streamed to members.
Latest signal
Hiring activity
Headcount trend
Financials
Registry-filed capital and financial indicators, standardised by TheGrid.
Paid-up capital
Fiscal period
Registered charges
Revenue
Profit / loss
People & contacts
4 employee profiles on record · names withheld.
Names and titles are intentionally absent from this page. The source relation carries no consent record across the privacy regimes this directory spans, so it is never requested and never stored. Search engines see exactly what you see here.
Names are withheld until a consented source exists.
FAQ
Which legal entities operate under Silentium Defence?
Two South Australia entities on the ABR: SILENTIUM DEFENCE PTY LTD (ABN 24 616 397 383) and SILENTIUM DEFENCE HOLDINGS PTY LTD (ABN 48 643 693 681). Both medium confidence.
How many people work at Silentium Defence?
77 counted staff profiles at January 2026, inside the self-reported 51–200 band.
Where does Silentium Defence have offices?
One address on record, Australia only. Primary: 39 Davis St, Wingfield, South Australia 5013.
Has Silentium Defence raised funding?
None linked to this brand.
What does Silentium Defence list as its specialties?
12 tags on the brand's own list, among them sea, land and surveillance.
Which companies are listed alongside Silentium Defence?
42 profiles list Silentium Defence as a peer — 98th percentile in Defense & Space. It lists ten peers of its own. Sovereign Propulsion Systems and Prism Defence list it back.