• About Us

Trusted Defence Advisory, Built on Integrity

Proxenus is Australia’s trusted Defence advisory. We provide specialist consulting services and technical solutions for Australian and International partners and clients, servicing the Defence and Law Enforcement sectors and industries.

Proxenus offers exceptional expertise in:

  • Small Arms and Ammunition Systems
  • Live Fire and Ballistics Testing, and
  • Range Design.

With our trademark trustworthiness and integrity, Proxenus delivers future-proofed assets and capabilities from concept through to compliance.

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Image courtesy of the Department of Defence

Globally Accredited Technical Leadership

Advanced Ballistics Solutions

Mission Ready Assets

What We Do

We support government, Defence, and design firms with:

  • Range capability advancement
    • Urban close combat training
    • Method-of-entry training
    • Bullet-trap design and development
    • Mid-life upgrades and retrofit designs
  • Live-fire facility compliance testing
  • Small-Arms S3 Test and Evaluation including:
    • Weapons
    • Small-arms ancillaries
    • Ammunition
  • Training systems and through-life sustainment
  • Landworthiness Case establishment and certification

Our Safety and Suitability for Service (S3) testing, terminal effects analysis, and weapons evaluation ensure systems meet the highest Defence safety and performance standards.

Our Core Capabilities

  • Program solutions and acquisition strategy
  • Systems engineering and engineering change management
  • Range maintenance and sustainment planning
  • Technical leadership and test planning
  • Technology commercialisation and prototyping
  • Armaments and ammunition systems
  • Custom training facility development

Our Client Services

  • Live Fire Capability

    Delivering safe and compliant Defence live fire capabilities, built to meet both training and operational demands, and strict certification standards.

  • Weapons & Ammunition Testing

    Comprehensive testing programs to verify performance, ensure safety, and reduce risk – including S3 Testing, terminal effects and ammunition analysis.

  • Range & Facility Development

    From greenfield developments to modern upgrades, we design and support delivery of live fire ranges and Defence facilities ready for use and long-term sustainment.

  • Consulting & Strategic Partnerships

    Tailored strategies, industry insights, and hands-on expertise that help organisations secure and deliver critical Defence infrastructure projects.

Who We Work With

We collaborate with a network of international and domestic clientele and partners, including Australian Defence and Law Enforcement sector agencies. Servicing government and private sectors from our Victorian-based business, we ensure agile, in-time project management and communication for our overseas and interstate partners. For example, in partnership with the ADF, Proxenus can be engaged by Foreign Defence attachés  to test imported ammunition at on-site or ADF facilities – enabling certified, bilateral training.

Benefits include:

  • A globally qualified team of expert engineers
  • Compliance with ADF and global Defence standards
  • Ability to secure all forms of small-arms weapons, ammunition and ancillaries within a DISP accredited armoury
  • DISP accreditation including ICT Network securing information storage
  • Insight into key Landworthiness processes for capability acceptance into service
  • Efficiency dividends saving our clients time and resources
  • Rapid, responsive support with our 24/7 time-zone turnaround

Our Team

Proxenus’ General Manager Mr. Tim Efthymiou leads a team of in-house specialist engineers equipped with technical skills, industry know-how, and sector insight that only comes with decades of hands-on experience in weapons systems, range design, test and evaluation, and strategic advisory.

Our reputation is built on being known as:

  • Capability First and Safety Always specialists with class leading Risk Analysis and Management
  • Highly regarded Defence experts
  • Trusted senior advisors to military, police, and national security
  • Closely connected with ADF, AFP, and Australian manufacturers
  • Qualified engineers (CPENG) and multi-discipline specialists
  • Reliable partners for ADF, AFP, and international Defence programs
  • Co-designers – working alongside our clients

Why Choose Our Team?

In Ancient times, emperors assigned only the most capable and trustworthy citizens to safeguard their assets across the empire. These exceptional individuals became known as “Proxenus”.

We listen to your requirements. We co-design your project. We build your asset.

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