Australia’s Supply Chains Face Another Stress Test

Please attribute to Gemma Thompson, Principal Consultant Proxima Australia

The speed and scale of the escalation in the Middle East will have caught many Australian businesses by surprise. What it demonstrates, once again, is how quickly geopolitical events far from our shores can translate into real economic risks for a highly trade-exposed economy like Australia's.

The most immediate concern is disruption around the Strait of Hormuz, one of the world's most critical energy chokepoints. While Australia is a major energy exporter, it remains heavily dependent on imported refined fuels such as petrol, diesel and jet fuel. With only around 20 per cent of liquid fuel refined domestically, Australia is directly exposed to global price shocks and disruptions to international shipping routes. Any sustained interruption in this corridor is likely to push fuel prices higher, feeding rapidly into transport, logistics, and operating costs across the economy.

That fuel price volatility has wider consequences. Higher transport and input costs place pressure on food production, retail, construction, and manufacturing, increasing the risk that costs are passed on to consumers. For a country characterised by long distances and freight-intensive supply chains, Australia is particularly vulnerable to sustained increases in fuel and shipping costs.

Hopes of a rapid de‑escalation are already fading. Shipping lines are delaying or diverting vessels, insurers are reassessing risk exposure, and freight and insurance premiums are rising. For Australian exporters and importers, this means longer lead times, higher landed costs and greater uncertainty, particularly for sectors that depend on predictable access to global markets, including agriculture, resources and advanced manufacturing.

Disruption to air connectivity also matters. Middle Eastern hubs play a critical role in linking Australia with Europe, the UK and parts of North America, not just for passenger travel but for high‑value and time‑sensitive air freight. Ongoing airspace restrictions risk constraining capacity further and extending transit times, with implications for pharmaceuticals, perishables and premium exports.

How the situation develops will depend on the actions of multiple regional and global actors, but the implications for Australian businesses are already clear. This is unlikely to be a short-lived disruption. It should be treated as a material stress test of supply‑chain resilience.

Businesses now need to activate contingency plans, reassess exposure to energy and transport shocks, and stress‑test assumptions around cost, timing, and continuity of supply. The current crisis reinforces a broader lesson: in an increasingly volatile global environment, resilience, diversification and scenario planning are no longer optional they are essential to Australia's economic stability.

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