8 September 2026
Executive Summary
Canada’s new retaliatory tariffs on US goods came into force today, escalating the trade dispute between two of the world’s most deeply integrated economies.
The Canadian Government has imposed counter-tariffs of 15%, 25% and 50% on C$27.6 billion of US imports, with individual rates designed to match corresponding US measures.
Affected sectors include:
- Steel.
- Dairy.
- Appliances.
- Agricultural equipment.
- Pulp and paper.
- Electronics.
The measures follow the breakdown of recent US-Canada trade negotiations and apply alongside other existing Canadian countermeasures, including tariffs affecting automotive trade.
Canada’s tariff-remission framework also remains available for exceptional cases.
For businesses, the practical issue is not simply the tariff percentage.
North American manufacturing and distribution networks routinely move materials, components and finished goods across the US-Canada border multiple times.
A tariff imposed at one border crossing can therefore become embedded repeatedly within a longer supply chain.
UK Impact
UK businesses with operations, suppliers or customers in North America should consider exposure through:
- Canadian subsidiaries.
- US subsidiaries.
- Automotive supply chains.
- Machinery.
- Electronics.
- Agricultural equipment.
- Food and dairy.
- Steel and aluminium.
- Warehousing.
- Cross-border distribution.
The most important risk may be hidden inside supplier pricing.
A UK company may buy a finished component from a US supplier without realising that part of that component originated in Canada.
Equally, a Canadian supplier may source components from the United States.
The new tariffs can therefore increase landed cost several tiers upstream before the increase reaches the UK buyer.
Global Impact
The United States and Canada operate one of the world’s largest bilateral trading relationships.
Many industrial supply chains developed on the assumption that goods complying with North American trade rules could move across the border with relatively limited friction.
Tariffs change that calculation.
Businesses may respond by:
- Changing suppliers.
- Increasing domestic sourcing.
- Moving production.
- Holding more inventory.
- Reclassifying logistics routes.
- Renegotiating contracts.
Those responses themselves create new operational risks.
A lower-tariff supplier may have longer lead times.
Domestic production may cost more.
Additional inventory creates working-capital and storage requirements.
Changing origin can also alter customs treatment.
Our View
Companies with North American exposure should carry out a transaction-level tariff review rather than relying upon supplier nationality.
Businesses should ask:
- What is the tariff classification of the product?
- Where is the product manufactured?
- Where are its components manufactured?
- Does it cross the US-Canada border during production?
- Which tariff rate applies?
- Who is importer of record?
- Who legally carries the tariff?
- Can the supplier pass that cost through?
- Does the contract contain tariff-change wording?
- Is tariff remission potentially available?
- Can origin legitimately be changed?
- Are alternative suppliers already approved?
- Would alternative sourcing increase logistics costs?
- Does additional inventory make commercial sense?
- Could customs classification or origin be challenged?
The critical distinction is between purchase price and landed cost.
In an escalating tariff environment, the cheapest quoted supplier may no longer be the cheapest delivered supplier.
Risk Indicator: HIGH – TARIFFS, TRADE & NORTH AMERICAN SUPPLY CHAINS
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The information contained within these Market Alerts is provided for general market awareness and informational purposes only. It does not constitute financial, legal, investment, regulatory or insurance advice. Whilst every effort has been made to ensure accuracy at the time of publication using multiple reputable and independently verified sources, geopolitical events, legislation, regulation and market conditions may change rapidly. Readers should obtain appropriate professional advice before acting upon any information contained herein.
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