Private equity in shipping: rethinking due diligence for 2026

An evolving framework for shipping investment risk

Private equity interest in shipping continues to accelerate, fuelled by the appeal of asset‑backed returns, fleet modernisation requirements, and the sector’s increasing resemblance to infrastructure‑style investment. Investors are pursuing opportunities across the maritime spectrum, from single‑vessel acquisitions, to platform deals and public‑to‑private transactions, at a level of intensity not seen in previous cycles.

What distinguishes the current market from earlier waves of investment is not only the scale of capital deployment, but how transactions are evaluated. The conventional M&A diligence framework once applied – often imperfectly – to shipping has been fundamentally reshaped. In 2026, diligence has become more granular, more data‑driven, and significantly more forward‑looking.

Shipping assets present a unique challenge: they are mobile, regulated across multiple jurisdictions, and exposed to risks that can remain attached to the asset itself regardless of ownership. As a result, applying a standard corporate diligence model is no longer sufficient. The areas that now drive risk and value require a more tailored approach, explored further below.

Vessel diligence: from condition checks to predictive analysis

In earlier PE cycles, diligence on vessels tended to focus on their physical condition and current earnings profile. While still relevant, the emphasis has shifted toward understanding how an asset will perform under future regulatory, operational, and commercial pressures.

Classification

Rather than simply confirming that a vessel is classified and able to trade, investors are now expected to examine the full history of its classification record. Repeated changes between classification societies, unresolved deficiencies, or overdue surveys can signal deeper maintenance concerns. These indicators are now treated as proxies for future capital expenditure risk, rather than technical footnotes.

Flag considerations

Flag state review has also evolved from ensuring that required certifications were valid to investors now considering the credibility and standing of the flag itself. Issues such as enforcement standards, regulatory scrutiny, and market perception can directly affect a vessel’s employability and insurability, making flag selection a more substantive diligence item.

These considerations arise within the broader framework of flag state obligations under international conventions, including UNCLOS and IMO instruments.

Environmental performance

The most significant change lies in how environmental regulation is treated. Measures such as the IMO’s carbon intensity framework and the Energy Efficiency Existing Ship Index, have moved emissions from a peripheral concern to a central determinant of commercial viability.

Consequently, diligence now involves:

• projecting a vessel’s compliance with tightening standards over time;
• identifying required upgrades or retrofits; and
• assessing how emissions performance may affect charter demand.

This represents a clear shift from retrospective analysis to scenario‑based forecasting, with direct valuation implications.

Sanctions risk: a structural shift in approach

Sanctions exposure has become one of the defining features of shipping diligence in 2026. Historically, checks were largely limited to screening counterparties and ownership against sanctions lists. That approach has proved insufficient in a market where risk can be embedded in the asset’s operational history.

Sanctions compliance

Regulatory expectations have evolved beyond basic counterparty screening to demonstrable, systems-based compliance. Guidance from authorities such as the UK’s Office of Financial Sanctions Implementation (OFSI) increasingly emphasise risk based due diligence aligned to their level of exposure; this includes enhanced screening, clear escalation protocols and ongoing monitoring of relationships. Importantly, responsibility for compliance remains with the investor or operator, even where screening or due diligence functions are outsourced. This is driving a shift toward integrated compliance frameworks combining legal analysis, data analytics, adverse media checks, and real time monitoring of ownership and control.

Anti-circumvention and enforcement

Sanctions frameworks, particularly in the EU, UK and US have expanded in scope and intensity, with a growing focus on circumvention. Recent measures target not only designated persons and vessels, but also trading patterns, intermediary jurisdictions, and ‘shadow fleet’ activity. Even where a vessel is not formally designated, its inclusion in an OFAC advisory can carry significant commercial consequences.

Regulators are increasingly assessing risk based on destination, the use of ship-to-ship (STS) transfer AIS deactivation, and the broader transactional context, rather than relying on formal counterparties alone. This has significantly broadened the due diligence perimeter.  Investors must now assess exposure across the full lifecycle of an asset, including historic trading behaviour, financing arrangements, insurance, and exit strategies. In practice, sanctions risk is no longer a binary legal determination, but a continuous assessment exercise shaped by enforcement trends, market expectations, and the growing alignment of regulatory authorities across jurisdictions.

Trading behaviour

Modern diligence requires a detailed reconstruction of a vessel’s historical trading activity, often using automatic identification systems data. Particular focus is placed on:

• periods where tracking data is unavailable;
• unusual trading patterns or unexplained route deviations; and
• indicators of offshore cargo transfers.

Such risk indicators require contextual legal analysis; they do not, in isolation, establish a breach of applicable sanctions regimes.

Cross‑border legal complexity

The expansion of overlapping sanctions regimes has made analysis more complex. Investors must consider multiple legal frameworks simultaneously (each with distinct jurisdictional triggers and enforcement approaches), combining legal advice with real‑time data insights to arrive at a consolidated risk position. The result is that sanctions diligence has evolved into a specialist investigative process, rather than a standard screening exercise.

Ownership structures: increasing transparency expectations

Layered corporate ownership has long characterised the shipping industry, with individual vessels commonly housed in standalone entities; however, expectations around diligence have intensified considerably. Buyers must map not only ultimate ownership, but also the full network of relationships, obligations, and dependencies across the structure.

Contractual arrangements and economic reality

Particular attention is given to agreements that influence operational control and financial performance, including:

• ship management arrangements with fixed or escalating fee structures; and
• charter arrangements between affiliated entities that may not reflect market terms.

These arrangements may also raise related‑party or transfer pricing considerations, so must be analysed in detail to ensure that headline earnings align with underlying economic reality.

Asset‑level liabilities: enduring risk

A distinctive feature of shipping, often underappreciated in the past, is that certain claims attach directly to the vessel. Most notably, maritime liens (such as crew wage claims, salvage, and certain damage claims) attach to the vessel and may survive a change of ownership. Other claims may not constitute liens but can nevertheless give rise to rights of arrest, depending on the jurisdiction.

Accordingly, buyers routinely undertake:

• detailed searches for maritime liens; and
• reviews of ongoing or potential claims in relevant jurisdictions.

The key takeaway is that acquiring shares in a ‘clean’ holding structure does not necessarily eliminate exposure at the asset level.

Disputes risk: from diligence finding to value erosion

Investors are increasingly using diligence to identify potential future disputes that may impact value over the life of the investment. Many of the issues now central to shipping investments including sanctions exposure, emissions compliance, operational control and chartering performance are also those most likely to generate post‑closing disputes.

Diligence is therefore extending beyond fact‑finding to testing alignment between stakeholders. This includes assessing whether parties share a consistent view on strategy, risk allocation, cost allocation, and exit horizons, as well as ensuring that contractual arrangements are sufficiently clear to avoid ambiguity in practice.

Particular focus is placed on governance frameworks and decision‑making processes, where poorly calibrated reserved matters or unclear delegation can lead to deadlock. Investors also scrutinise dispute resolution mechanisms, such as escalation procedures, expert determination, and exit rights, to ensure that issues can be resolved efficiently.

In shipping transactions, these arrangements typically operate alongside arbitration frameworks (often London‑seated arbitration under LMAA or similar rules), which remain the prevailing mechanism for resolving maritime disputes.

Integrating diligence into deal execution

Insurance considerations

Warranty and indemnity insurance remains widely used, but insurers now expect a higher standard of sector‑specific diligence. While coverage is influenced by the depth and quality of diligence undertaken, it remains subject to underwriting appetite and standard exclusions, especially in higher‑risk areas such as sanctions and environmental compliance.

Co‑investment structures

With co‑investment and joint venture (JV) arrangements increasingly common, diligence outputs now play a direct role in shaping governance frameworks. Control rights, exit mechanics, and interaction with third‑party contracts must all be structured with a clear understanding of asset‑level risks. Click here to read our market insights on JVs in the shipping sector.

Final thoughts: a more nuanced discipline

Shipping continues to present compelling opportunities for private capital. However, the way those opportunities are assessed has changed fundamentally.

The direction of travel in 2026 is clear:

• from static verification to dynamic, forward‑looking assessment;
• from entity‑level focus to asset‑specific, history‑driven analysis; and
• from generalist processes to highly specialised diligence frameworks.

Investors who adopt this more sophisticated approach will be better positioned to manage downside risk and capture long‑term value. Those who rely on outdated methodologies risk overlooking issues that only emerge post‑acquisition, when they are significantly harder to manage.

In a sector defined by mobility, regulation and complexity, diligence is now a core strategic function in investment decision-making.