In any share purchase, the supply side of the transaction. who actually owns the shares, on what legal basis. Additionally. Whether that ownership is encumbered or contested. is the single question that no amount of commercial negotiation can substitute for. The available documentary sources can answer a large part of that question. However. Not all of it: some categories of encumbrance leave no trace in public registries. Additionally, the gap between what the records show and what the reality is can be material. This page maps out which sources address supply risk, what each of them discloses, where the evidentiary chain ends, and what a prudent buyer should do before signing.
Why supply risk is the first question in a share deal
A share purchase agreement transfers the economic and legal interest in a company from seller to buyer. Unlike an asset deal, the buyer acquires the entity itself – including its liabilities, its ownership history, and any defects in the chain of title that may have accumulated since the company was founded. Supply risk is the risk that the seller does not have clean, unencumbered, and legally transferable title to what is being sold.
Supply risk can arise in several distinct ways:
- Disputed ownership: a third party claims that shares were transferred to the current seller irregularly – whether through a flawed corporate resolution, a forged instrument, or a transaction that was later challenged in court.
- Pledges and charges: shares may have been pledged as collateral for a loan or other obligation. The pledge may not appear prominently in any single public record; it may be registered in a specialised collateral register, noted in the company's shareholder register, or documented only in private loan agreements.
- Attachment and interim measures: a court or enforcement authority may have placed an attachment on the shares pending resolution of litigation against the seller. Attachments are typically provisional and time-limited, but they can block transfer.
- Restrictions in the articles or shareholders' agreement: pre-emption rights, drag-along and tag-along provisions, consent requirements, or transfer restrictions embedded in the company's constitutional documents or in a shareholders' agreement can render a purported transfer void or voidable as against third parties – or at least create grounds for a claim by other shareholders.
- Regulatory approval requirements: in regulated sectors (financial services, telecoms, defence, energy), a change of control may require prior approval from a regulator. Completing the transfer without that approval can trigger licence revocation or administrative penalties.
- Sanctions and export-control restrictions: where the seller or an upstream owner is designated under a sanctions programme, acquiring the shares may itself constitute a prohibited transaction, irrespective of how clean the corporate title appears on paper.
Each of these risk categories requires a different documentary source. No single registry covers all of them.
The corporate registry: the starting point, not the end
What it shows. In most jurisdictions, the commercial or companies register is the primary public record of a company's legal existence, its registered shareholders (where registered), its directors, and any changes to the share capital. For privately held companies incorporated under civil-law systems, the registry will typically contain the articles of association. Records of capital increases or reductions. Additionally, sometimes the identity of shareholders if those details are required to be filed. For common-law jurisdictions, the equivalent is the companies house or registrar of companies filing.
What it does not show. The corporate registry generally reflects the position as last filed, not the current beneficial position. In many jurisdictions, there is a significant lag between a transaction occurring and it being reflected in the registry – ranging from days to months depending on the jurisdiction and the diligence of the parties. More importantly, the registry does not show pledges of shares unless those pledges are required to be notified to and registered with the registrar (which is not universal). It does not show court attachments unless the attaching court notifies the registrar (again, variable). It does not show the terms of any shareholders' agreement, because shareholders' agreements are private contracts.
Practical implication. The corporate registry confirms legal structure and formal ownership as filed. It is a necessary starting point but an insufficient ending point for supply-side due diligence.
The shareholder register: the record closest to the shares themselves
What it shows. For private limited companies, many jurisdictions require the company to maintain a register of members or shareholders recording each shareholder's name, address, the number of shares held, and the date of acquisition. Transfers are recorded in the register when the company processes them. Some jurisdictions additionally require endorsement on share certificates or equivalent instruments. In some civil-law systems, share transfers in private companies require notarisation, and the notarial act constitutes the primary evidence of transfer.
What it does not show. The shareholder register is maintained by the company – which is controlled by its management, who may themselves be connected to the seller. The register reflects what the company has been told and what it has recorded; it does not independently verify the validity of underlying instruments. Where a pledge has been granted over shares, it may or may not appear in the register depending on whether the pledge agreement required notification to the company. A buyer should treat the shareholder register as confirmatory evidence, not as conclusive proof of clean title.
Access. In most jurisdictions, the shareholder register of a private company is not publicly available. Access is typically available to existing shareholders and, in the context of a due diligence process, to the buyer upon the seller's cooperation. In adversarial contexts – where the seller is unwilling to provide access – obtaining the register may require a court order or regulatory intervention, which has timing implications for the transaction.
Pledge and collateral registries
The mechanics. In a growing number of jurisdictions, pledges over shares and other movable assets must be registered in a dedicated collateral or pledge registry in order to be effective against third parties. The purpose of such a registry is precisely to give a prospective buyer notice of an encumbrance before a transfer is completed. Where a pledge registry exists and a pledge has been properly registered, a buyer who completes a transfer without checking the registry may take subject to the pledge.
Jurisdictional variation. The existence, scope, and reliability of pledge registries vary substantially across jurisdictions. Some jurisdictions maintain a comprehensive, centralised, and publicly searchable register of charges over shares and movable assets. Others rely on notation in the corporate registry or the shareholder register. Still others – particularly in certain CIS jurisdictions – maintain multiple overlapping registries with inconsistent update practices. In some legal systems, a pledge can be perfected without any registration, by possession of the share certificate or by private agreement alone, which means no registry search will reveal it.
What to do. Before completing a share purchase, a buyer should identify the applicable pledge registry in the relevant jurisdiction. Commission a search against the target company and against the shares specifically, and obtain a certified extract. Where shares in a holding chain span multiple jurisdictions, a search is needed in each jurisdiction where entities are incorporated.
Court and enforcement records
Attachments and freezing orders. A court in the jurisdiction where the company is incorporated. Alternatively. In a jurisdiction where the seller holds assets, may have issued an attachment or freezing order over the shares pending resolution of litigation. Such orders are typically registered with the enforcement authority or with the court registry, and in some jurisdictions they are notified to the corporate registrar. In others, they are not automatically notified to anyone other than the company and the parties to the proceedings.
Insolvency proceedings. If the seller is subject to insolvency proceedings. whether bankruptcy, administration. Alternatively. Restructuring. the insolvency administrator typically acquires control over the seller's assets. Additionally, any transfer of shares by the seller without the administrator's consent may be voidable or void. Insolvency filings are generally public in most jurisdictions, recorded in the insolvency register or published in a legal gazette. However, where proceedings are at an early stage, or where they are filed in a foreign jurisdiction, they may not be immediately visible.
Litigation records. Active litigation against the seller – particularly claims asserting ownership of or rights over the shares – may not appear in any registry at all until a judgment or interim measure is issued. Checking court databases (where publicly searchable) and making direct enquiry of the seller about pending claims are both necessary steps.
Sanctions and restricted-party screening
Why this belongs in supply-side analysis. Sanctions and export-control restrictions operate on the identity of counterparties and beneficial owners, not on the formal corporate structure. A share purchase involving a sanctioned seller – or a seller whose ultimate beneficial owner is sanctioned – may be prohibited regardless of how clear the corporate title appears. The consequence is not merely contractual: in many jurisdictions, completing a prohibited transaction exposes the buyer (and its directors and officers) to criminal penalties, regulatory action, and asset freezing.
Which lists to check. The principal international sanctions regimes that practitioners encounter in cross-border deals include the EU consolidated sanctions list. The OFAC Specially Designated Nationals list (United States), the UK financial sanctions list administered by OFSR, and the UN consolidated list. For deals with connections to specific regions, additional national lists – including those maintained by Switzerland, Australia, Canada, and Japan – may also be applicable depending on the nationalities and activities of the parties.
Beneficial ownership and the 50-percent rule. Most sanctions programmes extend their prohibitions to entities that are owned or controlled by a designated person above a specified ownership threshold. Typically 50 percent, either directly or in aggregate. This means that a target company whose shares are held by a non-designated entity may nonetheless be subject to sanctions if the upstream beneficial owner is designated. Verifying the full beneficial ownership chain – not merely the immediate seller – is therefore a precondition for sanctions clearance.
Beneficial ownership registries. Many jurisdictions now maintain public or semi-public beneficial ownership registers as part of their anti-money-laundering frameworks. These registers record the natural persons who ultimately own or control a company above a prescribed threshold. Where such a register exists and is reasonably current, it provides a cross-check against what the seller discloses. However, the accuracy and completeness of beneficial ownership registers varies widely: registration is typically self-declared, penalties for non-registration vary, and update frequency is uneven. A register entry should be treated as one data point among several, not as conclusive proof of the beneficial ownership position.
Constitutional documents and shareholders' agreements
Articles of association. The company's articles of association – or equivalent constitutional document – may contain restrictions on the transfer of shares. Common restrictions include pre-emption rights in favour of existing shareholders, board consent requirements, restrictions on transfer to competitors or to non-residents, and compulsory transfer provisions triggered by specified events. A transfer that violates these provisions may be void or voidable under the applicable law, or may give rise to claims by the affected shareholders.
Shareholders' agreements. Where a shareholders' agreement exists, it will typically govern the relationship between shareholders in more detail than the articles. Shareholders' agreements are private contracts and are not filed in any public registry. They may contain lock-up periods, drag-along or tag-along rights, put and call options, rights of first offer or refusal, and standstill obligations – all of which can affect the seller's ability to transfer freely. A buyer who is not a party to the existing shareholders' agreement needs to obtain and review it as part of due diligence. Additionally. Should ensure that any required consents or waivers are obtained before closing.
Notarial and regulatory archives. In jurisdictions where share transfers require notarisation, the notarial records constitute primary evidence of the chain of title. In regulated sectors, the regulatory file may contain approval records, change-of-control notifications, and conditions attached to prior ownership changes. Both sources can reveal encumbrances or conditions that do not appear in any registry.
Where the evidentiary chain ends: residual gaps
Even a thorough review of all available sources will leave residual gaps. The most significant are:
- Undisclosed private agreements: pledge agreements, shareholders' agreements, and side letters that are not filed anywhere and are not disclosed by the seller cannot be found by registry searches alone. Representations and warranties in the purchase agreement – backed by appropriate indemnities – are the contractual mechanism for managing this risk, but they are only as valuable as the seller's financial capacity to honour them.
- Cross-border chains: where the target sits within a multi-jurisdictional holding structure, the supply-side analysis must be conducted at every level of the chain. A clean title at the level of the immediate seller is not sufficient if an encumbrance exists at a higher level in the structure.
- Stale registry data: registries in many jurisdictions reflect filings made weeks or months before the search date. A recent pledge or attachment may not yet be registered. Obtaining representations from the seller as to the current position, and setting appropriate conditions precedent to closing, helps manage this timing risk.
- Informal arrangements: in some markets, particularly in the CIS region and in certain emerging market jurisdictions, informal understandings between shareholders – not documented in writing, or documented in instruments not subject to any registration requirement – can affect the practical ability to complete a transfer even where the formal title appears clear.
A structured approach to pre-deal supply-side diligence
The following sequence reflects current best practice for managing supply risk in a share purchase:
Step 1 – Map the corporate structure. Identify every entity in the holding chain between the ultimate beneficial owner and the shares being acquired. For each entity, identify the jurisdiction of incorporation and the applicable legal framework for share transfers and encumbrances.
Step 2 – Obtain corporate registry extracts. For each relevant entity, obtain a current certified extract from the applicable companies register. Verify the registered shareholder, the share capital, and any charges noted.
Step 3 – Search collateral and pledge registries. In each relevant jurisdiction, search the applicable movable property or pledge registry for encumbrances over the shares. Obtain certified search results.
Step 4 – Check insolvency and litigation status. Search insolvency registers and, where publicly accessible, court databases in each relevant jurisdiction against the seller and any intermediate holding entities.
Step 5 – Conduct sanctions and restricted-party screening. Screen the seller, all intermediate entities, and all natural persons identified as ultimate beneficial owners against the principal international and applicable national sanctions lists. Document the screening and its results.
Step 6 – Review constitutional documents and private agreements. Obtain and review the articles of association and any shareholders' agreement. Identify transfer restrictions, required consents, and rights of first refusal. Map the steps needed to obtain any required approvals or waivers before closing.
Step 7 – Address gaps through representations, warranties. Additionally, conditions precedent. Where the documentary record is incomplete or inconclusive. Structure the purchase agreement to allocate the residual risk appropriately – through title warranties, indemnities, escrow arrangements. Alternatively, conditions precedent requiring the seller to deliver clean-title evidence before the transfer is completed.
The role of legal counsel in supply-side analysis
Navigating the source landscape for supply-side diligence in a cross-border share purchase requires both local-law knowledge and cross-jurisdictional coordination. The question of which registry is authoritative, whether a particular pledge is effective against a bona-fide purchaser for value. Additionally. What the consequence of a discovered encumbrance is under the applicable law are all legal questions that require jurisdiction-specific advice. The practical challenge in multi-jurisdictional structures is coordinating parallel workstreams across several legal systems while maintaining a coherent picture of the aggregate risk.
Ferraz & Whitmore advises buyers and sellers on cross-border share purchase transactions, including supply-side due diligence coordination across European, CIS, and other international jurisdictions. For a case-specific assessment of the source landscape and the evidentiary gaps in your transaction, contact the team at info@ferrazwhitmore.com or visit the contacts page.
For related analysis, see the practice pages on Mergers & Acquisitions, Corporate Disputes, and Trade & Sanctions.
Disclaimer: This page is provided for informational purposes only and does not constitute legal advice. The content reflects general principles and publicly available information as of the publication date. Laws, regulations, and registry practices vary by jurisdiction and change over time. Nothing on this page creates a lawyer-client relationship. For advice on a specific transaction or matter, you should consult qualified legal counsel in the relevant jurisdiction.