It is misleading to publish a fixed list of countries that “block” cross-border requests for beneficial-ownership information. Access depends on who is asking, the purpose, the entity type, the information sought and the legal channel used. A journalist performing a public-register search, a bank conducting customer due diligence and a foreign prosecutor using a treaty request do not have the same rights.
Define the requester and legal purpose
Start by identifying whether the requester is a member of the public, an obliged business, a tax authority, financial-intelligence unit, police service, prosecutor, court or regulator. Then specify whether the request supports onboarding, supervision, a tax enquiry, civil litigation, a criminal investigation, national security or asset recovery.
Many systems offer several access layers: a public company register, restricted access for obliged entities, direct competent-authority access and formal international assistance. A register that withholds data from the public may still provide it quickly to authorised domestic or foreign authorities. Conversely, public data may be incomplete or protected in an individual safety case.
Identify the entity and information holder
Beneficial-ownership information may sit with a company, registrar, tax authority, regulated corporate-service provider, trustee, bank or financial-intelligence unit. Trusts, foundations, partnerships and companies can fall under different regimes. Record the exact legal form, jurisdiction of formation, registration number and relevant historical period before choosing a route.
The Financial Action Task Force’s guidance on beneficial ownership of legal persons calls for adequate, accurate and up-to-date information to be accessible to competent authorities through a registry or another efficient mechanism. FATF standards guide national systems, but they do not give every private requester a direct right to another country’s confidential records.
Distinguish public access from official cooperation
The United Kingdom illustrates the difference. Companies House states that its public register is searchable worldwide and that most information about people with significant control is public, while home addresses, full dates of birth and protected PSC information are withheld. Its current guidance on personal information and PSC access also explains that specified authorities can request certain private information under defined circumstances.
Therefore, describing the UK as generally restricting foreign access is inaccurate. A foreign researcher can search the public register, but access to protected data requires an authorised basis. Any apparent gap should be investigated using the methods in Trider’s guide to challenges in verifying ultimate beneficial ownership.
Check current United States rules carefully
The United States framework has changed materially. FinCEN’s current beneficial-ownership reporting page states that the 2025 interim final rule removed federal reporting requirements for US companies and US persons under the Corporate Transparency Act, while certain foreign-formed entities registered to do business in the United States remain within the revised definition of a reporting company.
Where information is held in FinCEN’s system, foreign authorities do not directly search it. FinCEN’s BOI access FAQs describe requests routed through a US federal intermediary for authorised law-enforcement, prosecution, national-security or intelligence purposes, under a treaty or other qualifying route. That is controlled access, not a blanket refusal and not public availability.
Use the correct request channel
Possible routes include direct regulator-to-regulator cooperation, financial-intelligence-unit exchange, tax-information agreements, mutual legal assistance, letters of request, court disclosure, insolvency powers and information obtained by a regulated institution during due diligence. Each has different thresholds, permitted uses, confidentiality rules and timelines.
Before saying a request was blocked, document the authority addressed, statutory basis, required identifiers, translation or certification requirements, response deadline and reason given. A rejection may result from an incomplete request, lack of jurisdiction, data-protection safeguards, an unavailable record, an incorrect entity match or an active-investigation restriction.
Build an alternative evidence plan
If direct access is unavailable, map the ownership chain through public filings, accounts, securities disclosures, court records, property registers, licences, procurement records, charges, leaked datasets of verified provenance and records in connected jurisdictions. Trider’s guides to ownership trails across offshore centres and beneficial-owner timelines help preserve source and date distinctions.
Secondary reporting can identify cross-border leads but is not a substitute for official evidence. Malta News Online’s report on international investigations involving Riad Salameh-linked structures illustrates how ownership assertions can span Malta, Panama, Switzerland and Lebanon. The allegations and entity relationships should be checked against court, registry and competent-authority records before reuse.
Grade the outcome precisely
Classify each result as publicly available, available to an obliged entity, available to a domestic authority, available to a foreign authority through a formal channel, withheld under a specific protection, rejected on procedural grounds, unavailable, or unresolved. Record the date, because laws, court decisions and technical access systems change.
A defensible conclusion does not call a jurisdiction secretive merely because a public search failed. It explains which information was sought, who sought it, through which legal route, what response was received and which alternative evidence supports the ownership finding.