Which countries are most likely to face tariffs under Trump's Iran policy?

While the article does not specify exact countries, the threat targets nations conducting business with Iran. Historically, major Iranian trading partners include China, India, Turkey, and some EU member states. Supply chain teams should audit exposure across Asian suppliers and European re-exporters with known Iran trade ties.

How do secondary sanctions differ from direct tariffs, and why do they matter?

Direct tariffs apply to imports from a specific country; secondary sanctions penalize third parties for any engagement with a sanctioned entity. This multiplier effect means a US company importing goods from, say, South Korea could face tariffs if Korean suppliers source inputs from Iran-connected vendors. The article implies this broader scope increases exposure across supply chains.

What should my procurement team do to prepare?

Conduct immediate supplier audits to identify any Iran exposure—direct or indirect through parent companies, joint ventures, or supply partners. Develop alternative sourcing scenarios for categories vulnerable to tariffs. Build inventory buffers for high-risk categories ahead of formal policy implementation. Engage compliance and legal teams to monitor policy announcements for clarity on scope and timelines.

Are logistics providers and freight forwarders at risk?

Yes. Freight forwarders routing shipments through potentially affected countries or handling cargo with Iran supply-chain components face compliance risk and route-optimization challenges. They may need to implement enhanced sanctions screening and adjust transit routes, raising transportation costs and extending lead times.

How long might this policy remain in effect, and should we plan short-term or long-term?

The article does not specify implementation timelines, but trade policy escalation typically signals structural shifts rather than temporary measures. Supply chain professionals should plan both immediate (30-90 day) risk mitigation and long-term (12+ month) supply-chain redesign, including supplier diversification and nearshoring where feasible.

Trade Policy & Tariffs

High Impact

Trump Iran Tariffs: Global Supply Chain Faces Secondary Sanctions Risk

Apr 24, 2026

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The signal

President Trump's threatened tariffs on countries conducting business with Iran represent a significant escalation in trade policy that could reshape global supply chains. This statement introduces secondary sanctions risk—penalizing third parties for Iran engagement—which extends tariff exposure far beyond direct US-Iran trade. Supply chain professionals must recognize that this policy could affect major trading hubs and suppliers across multiple regions, particularly those with significant Iranian energy or material flows.

The threat creates immediate uncertainty for companies with complex multi-regional sourcing. Entities importing goods from countries with Iran exposure face tariff risk, while logistics providers routing through affected zones must reassess compliance frameworks and route optimization. The ambiguity surrounding implementation timelines and scope—which countries qualify as "doing business" with Iran—forces immediate scenario planning and supply chain stress-testing across procurement, logistics, and finance functions.

Historically, secondary sanctions have triggered supplier diversification, nearshoring initiatives, and inventory build-ups ahead of implementation. Companies should prepare contingency sourcing strategies, audit supplier Iran exposure, and model tariff scenarios across major import categories. This represents a structural policy shift rather than a temporary trade dispute, necessitating long-term supply chain architecture changes.

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Simulation Suggestion

this month

What if tariffs of 10-25% apply to imports from major Iran-trading partners?

Model a scenario where countries with significant Iran trade exposure face tariffs ranging from 10% to 25% on US-bound shipments. Apply tariffs to suppliers in China, India, Turkey, and select EU countries. Calculate impact on landed cost for electronics, automotive, energy, and pharma categories. Assess inventory build-ahead strategies and alternative sourcing feasibility.

Run this scenario

Simulation Suggestion

this month

What if procurement teams must diversify away from Iran-exposed suppliers within 6 months?

Model a sourcing shift scenario where companies must reduce dependency on suppliers with Iran exposure by 50-100% within 180 days. Evaluate alternative suppliers in non-exposed regions (nearshoring to Mexico, Eastern Europe, or ASEAN). Calculate total cost of ownership including re-qualification, MOQ adjustments, and inventory transition costs. Assess service-level and capacity trade-offs.

Run this scenario

Simulation Suggestion

this week

What if supply chain rerouting adds 2-4 weeks to lead times from Iran-exposed suppliers?

Model increased transit times due to supply-chain rerouting and compliance screening. Assume 2-4 week delays for shipments from historically efficient suppliers now requiring alternative routes or compliance verification. Assess impact on demand planning, safety stock requirements, and service-level targets across automotive, electronics, and pharma segments.

Run this scenario

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