§ FP&AAPR 15, 20269 MIN READ

How Tariffs Impact Margin Forecasting in 2026 — and What to Do About It

Rising tariffs are hitting landed costs, compressing margins, and making forecasts unreliable. Here's a practical framework for modelling tariff exposure and protecting profitability.

Balint Boday
Balint Boday
FOUNDER · FRACTIONAL CFO & FP&A

For businesses that source products or components internationally, tariffs have moved from a background consideration to a front-of-mind financial risk. The trade policy landscape in 2025–2026 — with US tariffs at elevated levels, EU countermeasures under development, and global supply chain diversification accelerating — means that any business model dependent on cross-border sourcing needs to understand its tariff exposure and model it explicitly.

This isn't just an issue for large importers. It affects e-commerce businesses sourcing from Asia, manufacturing firms with global component supply chains, retailers with private label ranges, and any service business that relies on imported equipment or technology. The question is whether tariff exposure is embedded in your financial model or sitting outside it as an unquantified risk.


Why Tariffs Are a Margin Problem, Not Just a Cost Problem

The reflex response to tariff increases is to look for cost offsets or to pass them through in pricing. Both are harder than they appear, and neither is immediate.

The lag problem: Tariffs typically hit landed costs before pricing can be adjusted. If you have stock already in transit at pre-tariff prices, followed by stock that cost materially more to land, your margin will compress in the interim period — possibly for several months — until pricing adjusts or inventory turns.

The pass-through problem: Not all markets or channels absorb price increases. Consumers with alternatives will switch. B2B customers with existing contracts will point to the contract. Marketplace sellers face algorithmic pricing pressure. The ability to pass through tariff costs depends heavily on competitive position, contract terms, and price elasticity — all of which vary by business.

The fixed overhead problem: If tariffs compress gross margin, the business's overhead coverage deteriorates even if revenue holds. A business running 35% gross margin and 20% EBITDA margin that sees a 5-point gross margin compression because of tariffs is now looking at a 15% EBITDA margin — a 25% reduction in operating profit on the same revenue. That is a material planning issue.


Step 1: Map Your Tariff Exposure

Before you can model the financial impact, you need to understand the exposure. This requires:

Identify all imported inputs. List every product, component, raw material, or consumable that crosses a border. This includes indirect exposure — if your contract manufacturer sources components from a tariffed country, you inherit that exposure in your cost of goods even if you don't import directly.

Map the origin countries. Tariffs are applied by country of origin, not country of departure. A product manufactured in China and shipped via a third country is still subject to China-origin tariffs under most regimes.

Identify the HS codes. Tariffs are applied at the Harmonised System (HS) code level. The same product category can have very different tariff treatment depending on the specific HS code used. If your current HS code classification is approximate rather than precise, a classification review may reveal either risk or savings.

Understand the current tariff rate and pending changes. Tariff rates change — sometimes quickly. Build the current applicable rate into your model, but build in a sensitivity for further increases given the uncertain policy environment.


Step 2: Quantify the Gross Margin Impact

Once you know what you import, from where, and at what current and potential tariff rates, you can model the margin impact.

A simple unit economics approach:

Current landed cost per unit = manufacturing cost + freight + current duty rate × (manufacturing cost + freight) + local costs (port handling, customs clearance, delivery to warehouse)

Tariff-adjusted landed cost per unit = manufacturing cost + freight + new duty rate × (manufacturing cost + freight) + local costs

Margin compression per unit = new landed cost − old landed cost

Express this as a percentage of revenue: if your revenue per unit is €50 and your landed cost increases by €3, that's a 6-point gross margin compression on that product.

Aggregate this across your product mix, weighted by revenue or volume, to get the total blended gross margin impact.


Step 3: Model the Pricing Response — and its Limits

Once you know the margin compression, model three scenarios for pricing response:

Full pass-through: You increase prices by enough to fully offset the tariff impact. Gross margin is preserved. The question is the volume impact — will demand hold at the higher price? Build an elasticity assumption: for a 5% price increase, what percentage volume decline do you model?

Partial pass-through: You absorb some of the cost and pass through some. More realistic for competitive markets. Model both the margin compression on retained sales and the volume impact.

No pass-through: You absorb the full tariff impact in margin. Appropriate if competitive dynamics make any price increase impossible. The question is whether the compressed margin is still viable at your overhead level.

None of these is the "right" answer — the right answer depends on your specific competitive position, customer relationships, and margin buffer. The point is to model all three and understand the financial implications of each.


Step 4: Identify Structural Responses

Pricing is a tactical response. The structural responses are more durable but take longer to implement:

Supplier diversification. Moving sourcing to non-tariffed countries is the most direct structural response, but it takes time and carries transition risk. The lead time for qualifying a new supplier, placing initial orders, and receiving first shipments is typically 6–18 months for most product categories.

Country of origin restructuring. In some cases, having a component processed or substantially transformed in a third country can change its origin designation and tariff treatment. This is a legitimate strategy but requires genuine value-add in the new location to be defensible.

Product reformulation or redesign. Changing the specification or HS classification of a product can sometimes move it into a lower-tariff category. This requires customs and trade expertise to execute correctly.

Local sourcing or near-shoring. Bringing sourcing closer to the end market reduces tariff exposure at the cost of potentially higher input costs. The net economics need to be modelled explicitly.


Embedding Tariff Sensitivity in the Forecast

Your financial forecast should include a tariff sensitivity table showing the gross margin and EBITDA impact under different tariff scenarios:

Tariff ScenarioTariff RateGross MarginEBITDA MarginEBITDA € Impact
Current baseline10%38.0%18.0%€720k
Moderate escalation20%35.5%15.5%€620k
Severe escalation35%32.0%12.0%€480k
Full pass-through at 20%20%38.5%18.5%€740k

This table makes the risk visible and quantifies the range of outcomes. It also makes the conversation with your board, bank, or investors concrete — you're not just flagging a risk, you're showing the financial range.


Frequently Asked Questions

Do tariffs affect services businesses? Primarily not on services themselves, but services businesses that import equipment, technology hardware, or consumables can see input cost increases. Also, services businesses whose clients are heavily tariff-affected may see indirect effects as client budgets come under pressure.

What about currency effects alongside tariffs? Tariffs and currency effects can compound or offset each other. A weakening of your home currency against the sourcing currency increases your landed cost independently of tariffs. These need to be modelled together in the forecast, not separately.

Should tariff scenarios be in the board pack? Yes, if your business has material tariff exposure. A one-page sensitivity analysis showing the gross margin impact under two or three tariff scenarios is good governance and good board communication.


BB Financial Services Kft builds tariff sensitivity models and updated financial forecasts for businesses navigating the current trade environment. If your margins are under pressure from input cost increases, get in touch and let's build the analysis that tells you exactly where you stand.


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§ ABOUT THE AUTHOR
Balint Boday
Balint Boday
FOUNDER · FRACTIONAL CFO & FP&A

Founder of BB Financial Services. Seven years in FP&A, controlling and treasury, now the embedded finance lead for founder-led companies in Europe, the US and Australia.

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