Cross-Border M&A: Managing Financial Risks in International Deals

The numbers tell a striking story. Global M&A deal values reached US$4.3 trillion in 2025, up nearly 40% from 2024, even as overall deal volumes declined by approximately 2% . This divergence reflects a market where conviction matters more than volume, and where every transaction must be stress-tested against a volatile policy environment.

Cross-border transactions now account for 30% of global M&A—approximately $1.4 trillion in deal value . But here’s what keeps dealmakers awake at night: the rules can shift dramatically between signing and closing. In 2025, tariffs and geopolitics moved from the periphery to the centre of the global M&A landscape, fundamentally reshaping how international deals are structured, negotiated, and executed .

If you’re contemplating cross-border M&A, you’re not just acquiring a company—you’re placing a bet on regulatory stability, currency forecasts, and geopolitical relationships. Let’s explore how to manage these risks intelligently.

The Shifting Landscape of Cross-Border M&A

For decades, deal teams could structure transactions with reasonable confidence that the regulatory environment at signing would resemble the one at closing. That assumption no longer holds.

The Committee on Foreign Investment in the United States (CFIUS) continues to vet deals aggressively, while the EU has strengthened its foreign direct investment (FDI) screening frameworks . Meanwhile, the EU’s Foreign Subsidies Regulation (FSR) has emerged as a critical hurdle for non-EU acquirors, with the European Commission scrutinizing over 200 transactions since the regulation took effect .

What does this mean for you? Regulatory analysis must now be a central feature of deal planning, not an afterthought .

Tariff Risk: The New Deal-Breaker

Tariffs have moved from trade policy footnotes to M&A deal-breakers. Consider the Canadian softwood lumber sector: combined countervailing duties, anti-dumping duties, and Section 232 tariffs now exceed 45% on many products, with some producers facing rates approaching 60% .

The strategic response? Physical migration of production capacity. Canada’s three largest forest products companies now collectively operate more sawmills in the U.S. than in Canada . Companies with Canadian head offices account for 22% of total U.S. lumber capacity, controlling approximately 35% of sawmill capacity in the U.S. South specifically .

The economic logic is straightforward: by acquiring or building U.S. capacity, Canadian companies avoid tariffs entirely while maintaining access to the world’s largest construction market.

Risk Type	Impact on Deal Value	Mitigation Strategy
Tariff imposition	15-60% cost increase	Tariff-adjustment mechanisms; operational relocation
Currency volatility	10-30% valuation swings	Hedging; multi-currency pricing models
Regulatory delay	6-18 month closing extension	Parallel filing strategies; regulatory flex provisions
FDI rejection	Complete deal failure	Early engagement; remedies planning

Currency Risk: The Silent Value Destroyer

Foreign exchange volatility is frequently cited as a driver of disputes in cross-border transactions . Investors deploy capital abroad during favourable times, only to find investments rendered less valuable in their home currency.

A recent UK Supreme Court case illustrates the magnitude: a costs award of approximately £44 million translated to ₦25 billion when the original legal fees were paid, but by October 2025, the equivalent was ₦95 billion—a 280% increase due to currency movement .

Practical steps to manage currency risk:

Structure deals with multi-currency pricing options
Use forward contracts to lock in exchange rates at signing
Include currency adjustment clauses in purchase agreements
Model deal economics under multiple exchange rate scenarios

Regulatory Complexity: Navigating the Maze

Merger Control Expansion

Cross-border M&A now faces scrutiny across multiple regimes simultaneously. Australia shifted from voluntary to mandatory notification in 2026, while Argentina will implement pre-merger notification by November 2026 . Even Mexico, bucking the trend, lowered its notification thresholds in 2025 .

The message is clear: filing strategies must be coordinated across jurisdictions, with realistic timelines that account for the strictest regime.

FDI Screening: The National Security Wildcard

Foreign investment screening has become unavoidable . The challenge? FDI reviews often proceed with limited transparency. Regulators may demand:

Disclosure of complete ownership and funding sources
Technology sharing commitments
Employment guarantees
Local production requirements
Data security undertakings

What buyers still struggle to price is how long reviews take, and what they imply for integration and operational control . A deal can appear on track in one process while stalling in another. This matters most for data-rich and innovation-led targets, where prolonged interim phases can dilute value and delay synergies.

The EU’s Foreign Subsidies Regulation

The FSR has introduced an entirely new layer of review. In the ADNOC/Covestro case, the European Commission required the acquirer to cancel state guarantees and share patents with EU competitors—conditions that stretched far beyond traditional merger remedies .

If you’re acquiring in the EU, expect FSR scrutiny if you’ve received any non-commercial funding from non-EU governments.

Contractual Protection: Your First Line of Defence

Clear contractual drafting can mean the difference between a successful integration and years of litigation . Here’s what sophisticated buyers are doing:

Tariff-Adjustment Mechanisms

Purchase agreements increasingly include provisions that adjust consideration based on tariff changes between signing and closing . These mechanisms recognize that policy shifts can fundamentally alter target valuation.

Expanded MAC Clauses

Material Adverse Change (MAC) clauses now explicitly capture abrupt policy changes . If new tariffs would render the target’s business model unviable, buyers want the right to walk away.

Regulatory Flex Provisions

European sellers are increasingly accommodating “regulatory flex” —recognizing that buyers may need more time or extensive cooperation to navigate approval processes .

Reverse Break Fees

Some deals now include reverse break fees linked to regulatory outcomes . If a transaction fails because the buyer cannot obtain FDI approval, the seller receives compensation.

Dispute Resolution Clauses

All boilerplate clauses should be reviewed, with priority given to those having the greatest commercial and legal impact . Particularly critical are:

Governing law and jurisdiction clauses specifying which country’s laws apply
Entire agreement clauses confirming the signed contract contains all terms
Assignment and novation provisions controlling transfer of rights

Due Diligence in the New Era

Due diligence has expanded far beyond financial statements. Here’s what modern cross-border M&A due diligence covers:

Supply Chain Resilience

Buyers now scrutinize and stress-test supply-chain exposure, customer bases, and pricing structures in granular detail . Even domestic transactions are analyzed through a geopolitical lens, as many businesses remain reliant on tariff-exposed inputs.

Digital and AI Compliance

EU digital regulations now materially affect post-closing integration . The EU Data Act, Digital Markets Act, and NIS2 Directive reshape how data, platforms, and IT systems can be combined. These constraints can delay operational integration and affect value assumptions in technology-driven transactions.

ESG Obligations

Sustainability and governance obligations now directly affect transaction execution . Under the Corporate Sustainability Reporting Directive (CSRD) , expanded reporting obligations arise after closing. The Corporate Sustainability Due Diligence Directive (CSDDD) introduces supply-chain due diligence duties, potentially requiring remediation.

ESG weaknesses can translate into remediation costs and reporting commitments . Factor this into your valuation.

Document Control

In emerging markets particularly, document discipline varies widely . Financial reports may be prepared under local standards; contracts may exist as scanned copies; ownership records may require verification through public registries.

Virtual data rooms (VDRs) help structure this complexity by separating documentation by legal entity, assigning permissions based on review stage, and maintaining access logs that support regulatory inquiries .

Dispute Resolution: Planning for the Inevitable

Despite best efforts, cross-border M&A disputes remain common . The majority arise from:

Earn-outs—particularly when business conditions change post-completion
Purchase price adjustments—tax liabilities, working capital, net debt
Warranty and indemnity claims—ironically increased by warranty and indemnity insurance
Government interventions—regulatory changes, tax policy shifts

Arbitration vs. Litigation

For cross-border deals, arbitration offers significant advantages :

Privacy—proceedings remain confidential
Enforceability—awards enforceable in any country signatory to the 1958 New York Convention
Neutrality—no home-court advantage
Expertise—parties can choose arbitrators with relevant industry knowledge

Consider your dispute resolution clause as carefully as your pricing mechanism .

Strategic Responses: What Successful Acquirors Are Doing

Operational Relocation

The most visible strategic response has been physical migration of production capacity into more favourable jurisdictions . This isn’t theoretical—it has reshaped competitive dynamics across entire sectors.

Geographic Diversification

Companies are reducing reliance on any single jurisdiction by acquiring assets across multiple regions . Canfor’s strategic pivot is illustrative: after closing U.S. facilities, the company acquired Swedish sawmills, recalibrating its operating mix to approximately 35% U.S. South, 35% Sweden, and 30% Western Canada .

Domestic Capacity Building

Some companies are doubling down on domestic capacity to serve markets increasingly oriented toward domestic sourcing . Canada’s Regional Tariff Response Initiative received close to 1,500 applications from companies across affected sectors.

Non-Market Strategies

Research shows that when bilateral geopolitical risk increases, acquirors adopt non-market strategies to offset negative effects . Cross-listing, corporate reputation building, and environmental disclosure can buffer legitimacy challenges in cross-border M&A.

Practical Checklist for Cross-Border M&A

Before signing:

Model deal economics under multiple tariff and currency scenarios
Conduct multi-jurisdictional regulatory analysis—identify the longest timeline
Assess FDI risk—are you in a sensitive sector? From a sensitive country?
Evaluate FSR exposure—have you received non-commercial government funding?
Test supply chain resilience—where are inputs sourced? Where are customers?
Review digital compliance—can data and systems integrate post-closing?
Identify ESG gaps—what remediation costs might arise?

In the contract:

Include tariff-adjustment mechanisms if appropriate
Draft MAC clauses to capture policy changes
Build in regulatory flex—realistic timelines, cooperation obligations
Consider reverse break fees for regulatory risk
Review all boilerplate clauses—governing law, jurisdiction, entire agreement
Choose dispute resolution mechanism carefully

During integration:

Maintain clean teams and information barriers pre-clearance
Plan for staged integration if regulatory conditions apply
Preserve documentation for post-closing regulatory inquiries
Monitor ongoing compliance with any undertakings

The Future of Cross-Border M&A

The direction of travel suggests that many pressures will intensify :

Tariff-aware deal architecture will become standard
Supply-chain resilience will remain a core strategic driver
Cross-border megadeals will face the greatest friction
FDI regimes will continue to expand in number and scope
Sectors positioned as geopolitically strategic—critical minerals, infrastructure, defence, energy, data-rich industries—will attract concentrated activity

Global M&A has entered an era in which geopolitical and regulatory considerations are not simply variables in the background but central determinants of deal feasibility . Successful execution now requires the ability to anticipate political shifts, navigate complex multi-jurisdictional regulatory pathways, and incorporate tariff and supply-chain resilience directly into deal terms.

How Crossfoot Can Help

At Crossfoot, we understand that cross-border M&A success depends on more than just valuation models and legal documents. Smart financial management is the foundation upon which successful international deals are built.

Our Accounting & Bookkeeping Solutions ensure that your financial due diligence rests on accurate, timely, and compliant records. We help you understand the true financial position of targets, even when they operate under different accounting standards.

Our Management Reporting & Financial Insights go beyond numbers—providing clarity on performance drivers, integration risks, and synergy opportunities. We help business owners make informed decisions about cross-border expansion.

With Budgeting, Forecasting & Cost Control, we support financial discipline throughout the deal lifecycle—from pre-acquisition planning through post-merger integration. Our Product and Services Costing expertise helps you understand how tariff and regulatory changes affect unit economics.

And our Tax Accounting and Tax Planning team optimizes strategies to minimize liabilities across jurisdictions, ensuring your cross-border M&A delivers maximum value.

Whether you’re acquiring internationally or being acquired, Crossfoot provides the financial expertise you need to navigate complexity with confidence.

Ready to discuss your cross-border M&A financial strategy? Contact our team for a consultation. We’ll help you identify risks, structure deals effectively, and ensure your financial systems support successful international growth.