Australia’s growing defence investment is creating significant opportunities for local suppliers, but winning work will increasingly depend on more than technical capability. Defence businesses must also demonstrate that they can keep delivering when global supply chains are disrupted.
AUKUS, the trilateral security partnership between Australia, the United Kingdom and the United States, together with Australia’s sovereign capability priorities, is driving major investment in shipbuilding, nuclear-powered submarines, guided weapons and advanced manufacturing. This multi-decade pipeline is creating significant opportunities for Australian businesses.
Australian suppliers are already demonstrating their ability to compete globally. More than 75 local companies have secured over $5 billion in contracts through the F-35 Lightning II Joint Strike Fighter Program, an international alliance to develop, produce and maintain F-35 combat aircraft.
However, global trade is becoming less predictable. As William Buck Chief Economist Besa Deda said:
“The fragmentation of globalisation and breakdown of traditional global trade arrangements poses risks for all economies around the world and Australia is not immune.”
For defence suppliers, these pressures have direct commercial consequences. A delayed component from an overseas supplier or an unexpected cost increase can quickly affect cash flow, margins and contract performance. For businesses delivering into major defence programs with strict timelines, quality standards and audit requirements, disruption is more than an operational headache. It’s a material commercial risk. Therefore, supply chain resilience is increasingly critical to remain competitive and secure future work.
Where tier 2 and tier 3 suppliers are most exposed
Defence businesses face supply chain challenges that are fundamentally different from commercial operations.
Long lead times and inflexible delivery windows. A twelve month lead time on a component in defence contracting, where milestone payments and program schedules are locked in, can create catastrophic cash flow pressure and place businesses in breach of contract.
Single source dependencies. Specialist materials, certifications and manufacturing capabilities create further challenges when a supplier has production issues, geopolitical complications or simply prioritises larger customers.
Strict compliance requirements. Defence work demands AS9100, ISO certifications and rigorous quality assurance. If a substitute supplier cannot meet these standards or cannot be qualified in time, then challenges arise regardless of cost.
Offshore exposure. Currency risk, ITAR/export control considerations, shipping delays and geopolitical uncertainty can increase both cost and complexity. The Ukraine conflict, Red Sea disruptions and ongoing trade tensions have shown how quickly ‘low risk’ supply routes can become problematic.
Limited ability to recover higher costs. Many defence contracts are fixed price or have limited cost recovery mechanisms. When a critical input triples in price or requires air freight instead of sea freight, the supplier will be required to absorb the cost which negatively impacts margins.
The financial consequences can go beyond one contract
When supply chain disruption hits a defence contractor, the damage rarely stops at the project level.
Cash flow becomes unpredictable when businesses are typically carrying higher inventory to buffer against delays. Meanwhile, milestone payments can be delayed if delivery schedules are not being met. The combined effect can drain working capital fast.
Lender and insurer concerns may also arise, particularly if businesses cannot demonstrate resilience or if there have been recent performance issues. This may result in tightening of financing terms, insurance premiums rising or a reduction in risk appetite.
Reputational damage can also arise as a single delivery failure or a quality issue can exclude suppliers from future work, particularly as prime contractors focus on supply chain resilience in their own risk management frameworks.
Increasingly, suppliers also need to demonstrate supply chain transparency, business continuity planning and financial resilience. If these matters are not adequately answered in an audit or review, it may raise red flags about a supplier’s ability to sustain delivery.
Resilience isn’t about eliminating risk, it’s about managing it deliberately
Resilience is about understanding where suppliers are genuinely exposed, what the financial and operational consequences would be if disruption occurred and making deliberate, informed decisions about where to invest, where to accept risk and where to build flexibility.
Defence businesses that navigate disruption successfully tend to have five characteristics:
Know their single points of failure. They map their supply chain beyond tier 1, identifying which components, materials or suppliers are critical and where alternatives exist or are limited.
Model the financial impact. They understand what a three-month supplier delay does to cash flow, margins, contract performance and working capital.
Maintain relationships with alternative suppliers. They are will to pay a modest premium to maintain a qualified backup supplier, recognising that the additional cost can be significantly less than the cost of being unable to deliver.
Communicate proactively. When supply chain pressure builds, they communicate transparently and raise concerns early with the prime contractor. This can create room to negotiate schedule adjustments, cost recovery or joint problem solving.
Maintain financial resilience. They build working capital buffers, manage cash flow tightly and have access to funding, helping the business absorb unexpected shocks.
What audit-ready means in defence
Audit readiness is about demonstrating you have line of sight into your supply chain, understanding your risks and having plans to manage disruption. A useful test of resilience is whether your business can readily answer the following questions:
- Who are our critical suppliers and how dependent are we on each?
- Are alternative sources qualified and ready to activate?
- How do we manage quality compliance across our supply chain?
- Where are we exposed to offshore suppliers, currency and geopolitical risk?
- How much working capital is needed to absorb a three or six-month supply delay?
- What’s the process for escalating and managing supply chain issues before they affect contract performance?
If these questions are difficult to answer, suppliers are operationally and commercially exposed as both prime contractors and defence expect demonstration of this level of rigour.
Where to start
For tier 2 and 3 defence suppliers or manufacturers, supply chain resilience needs to be on the board agenda.
Start by mapping out critical dependencies and understanding single points of failure. Modelling what disruption does to cash flow and contract performance can provide important insights. Importantly, ensuring governance and financial reporting frameworks can demonstrate resilience to prime contractors, lenders and auditors. This visibility and control is what separates businesses that weather disruption from those that are repeatedly impacted.
Resilience is a competitive advantage
Australia’s defence investment offers extraordinary opportunity for local businesses. AUKUS, continuous naval shipbuilding and sovereign capability priorities are creating a multi-decade pipeline of work that will underpin the nation’s economy for generations.
The businesses best placed to capture these opportunities will be those that can demonstrate financial and operational resilience to deliver when conditions become difficult.
William Buck’s defence specialists can help you identify supply chain and financial vulnerabilities and build the resilience needed to deliver with confidence.
Get in touch with William Buck to discuss how we can support your defence business.
