Before a shareholders agreement is signed in Luxembourg, the question is not whether control exists — it is whether the sources allow that control to be traced. Luxembourg's corporate register, the Registre de Commerce et des Sociétés (RCS), is the primary public layer. It records the entity, its registered capital, and its directors. What it does not record, by default, is who holds the shares today.
Control in a Luxembourg structure is frequently exercised through a chain of holding companies. The RCS entry names the entity at the bottom of that chain. The layers above it are not visible from the same source. That gap is the structural fact a buyer must account for before signing.
Primary registerRegistre de Commerce et des Sociétés (RCS) — Luxembourg Business Registers (LBR). Source: lbr.lu · verified 2026-10-01 What the RCS showsEntity name, legal form, registered address, directors and managers, registered capital, date of incorporation. Source: lbr.lu · verified 2026-10-01 What the RCS does not showCurrent shareholder identity and share distribution for SARLs are not updated in real time; SA share registers are not public. Source: lbr.lu · verified 2026-10-01 Beneficial ownership registerThe Registre des Bénéficiaires Effectifs (RBE) exists and is maintained by LBR. Public access is restricted following CJEU C-37/20; access requires demonstration of a legitimate interest. Source: lbr.lu/rbe · verified 2026-10-01 Access conditionRCS filings are accessible online. RBE access requires a formal request with stated purpose; access is not automatic for foreign applicants.The RCS is the foundational source for any Luxembourg entity check. It holds the company's constitutive documents, amendments to the articles of association, and the identities of directors and authorised signatories. Annual accounts, where filing is mandatory, are also deposited with LBR and accessible through the same portal.
For a société à responsabilité limitée (SARL), the articles of association filed at incorporation name the initial shareholders and their contributions. Subsequent transfers of shares must be recorded in the company's internal register and, for SARLs, notified to the RCS. In practice, the RCS entry reflects the state of the register at the last notified update — not necessarily the current date.
For a société anonyme (SA), bearer shares were abolished under the law of 28 July 2014. Registered shares are recorded in the company's own share register, which is not a public document. The RCS does not hold a live shareholder list for an SA. What is available is the articles of association and any amendments — from which authorised capital and share class structure can be read, but not current ownership.
The gap between the last RCS update and the present is a structural feature of the source, not an anomaly. Any analysis that treats the RCS entry as a current ownership statement is reading beyond what the source supports.
Source: Registre de Commerce et des Sociétés (RCS) / Luxembourg Business Registers · verified 2026-10-01
Luxembourg implemented the EU's beneficial ownership register — the Registre des Bénéficiaires Effectifs (RBE) — under the law of 13 January 2019. The RBE is administered by LBR and holds the identity of natural persons who ultimately own or control a Luxembourg entity, defined by the standard 25% threshold.
Following the Court of Justice of the European Union ruling in joined cases C-37/20 and C-601/20 (November 2022), Luxembourg restricted public access to the RBE. General public access without demonstrated interest is no longer available. Access now requires a request that identifies the applicant and states a legitimate interest in the information.
For a foreign buyer conducting pre-signature due diligence, this means:
The RBE entry, once obtained, names the beneficial owner, their nationality, country of residence, and the nature and extent of the interest held. It does not contain the underlying documentation that supports the declaration — that documentation remains with the entity.
Source: Registre des Bénéficiaires Effectifs (RBE) / Luxembourg Business Registers · verified 2026-10-01
Luxembourg entities above certain size thresholds are required to file annual accounts with LBR. Filed accounts are publicly accessible through the LBR portal. The filing obligation applies to SARLs and SAs; micro-entities benefit from reduced disclosure requirements under the law of 19 December 2002 as amended.
What the filed accounts show:
What the filed accounts do not show:
The accounts are filed in Luxembourg French, German, or English. The filing deadline is seven months after the financial year end. A gap between the year end and the filing date means the most recent available accounts may be up to nineteen months old at the time of review.
Source: Luxembourg Business Registers — annual accounts portal · verified 2026-10-01
Luxembourg maintains a public register of insolvency proceedings — the Registre de Commerce et des Sociétés also records judicial reorganisation and bankruptcy declarations. Notices of insolvency are published in the Recueil Électronique des Sociétés et Associations (RESA), the official electronic gazette.
A search of the RCS and RESA establishes whether a formal insolvency or judicial reorganisation has been opened and recorded. It does not establish:
The Luxembourg District Court (Tribunal d'Arrondissement) handles commercial matters. Court records are not publicly searchable online in the same manner as the RCS. Verification of pending litigation requires a formal request to the court registry, which is subject to access conditions and processing time.
Source: RESA / Luxembourg Business Registers · verified 2026-10-01
Luxembourg VAT numbers are verifiable through the EU VIES system. VIES confirms whether a VAT number is valid and active. For Luxembourg, VIES returns the entity name and address alongside the validity confirmation — this is not the case for all EU member states.
A VIES result is a confirmation of VAT registration status at the moment of query. It is not a statement of tax compliance, outstanding liabilities, or the entity's relationship with the Administration de l'Enregistrement, des Domaines et de la TVA (AED). Tax standing is not a publicly accessible record in Luxembourg.
Source: European Commission VIES — ec.europa.eu/taxation_customs/vies · verified 2026-10-01
The RCS, RBE, LBR accounts portal, and RESA together constitute the official public layer for a Luxembourg entity. Taken together, they allow the following to be established with source-backed precision:
The sources do not allow the following to be established from public records alone:
The chain of control in a Luxembourg holding structure typically runs through one or more intermediate entities, each registered in a separate jurisdiction. The RCS entry for the Luxembourg entity is the bottom of that chain. The layers above it require separate registry searches in each relevant jurisdiction. The analysis names the point at which the chain becomes opaque and identifies which jurisdiction holds the next link.
Source: Luxembourg Business Registers (lbr.lu) · verified 2026-10-01
Three divergences appear regularly in Luxembourg entity reviews:
RCS directors versus signatory authority in the articles. The RCS lists directors as notified. The articles of association, also filed at RCS, specify the scope of their authority. These two documents sometimes reflect different states — a director removed by board resolution but not yet notified to the RCS, or an authority clause amended without a corresponding update to the directors list. Both documents are available from the same source; the divergence is visible on the face of the file.
RBE declaration versus articles of association. The RBE beneficial ownership declaration is self-reported by the entity. The articles of association may show a different capital structure than the one implied by the RBE declaration. Where the two diverge, neither automatically prevails — the divergence is itself a finding that warrants further examination.
Filed accounts versus RCS registered capital. Capital increases or reductions recorded in the RCS are not always reflected in the most recently filed accounts, given the filing lag. A capital increase approved in month two of a financial year will appear in the RCS immediately but will not appear in the accounts until the filing for that year is deposited — potentially nineteen months later.
These divergences are not evidence of irregularity. They are features of a multi-source system with different update cycles. The analysis maps them explicitly.
| Tier | Price | What is included | What is NOT included |
|---|---|---|---|
| Signal | €440 | RCS entity check: legal form, registered address, directors as last notified, registered capital, articles of association as filed; RESA insolvency check; VIES VAT status confirmation; written summary of source findings | RBE beneficial ownership retrieval; annual accounts review; cross-border chain analysis; divergence mapping |
| Standard | €890 | All Signal content; filed annual accounts review (up to three most recent years); RBE access request and retrieval (subject to registrar outcome); divergence mapping across RCS, RBE, and accounts; written analysis with source citations | Cross-border chain analysis beyond the Luxembourg entity; legal qualification of findings; litigation search at court registry |
| Extended | €1800 | All Standard content; cross-border chain analysis for up to three upstream jurisdictions; court registry request for pending commercial proceedings; consolidated source map with access conditions and blind spots per jurisdiction; written report with executive summary | Legal advice; representation; tax compliance verification; review of any existing shareholders agreement; more than three upstream jurisdictions |
The ceiling of what the sources allow is stated before payment. Where a source requires a formal access request and the outcome is not guaranteed — as with the RBE — the report records the request made, the response received, and the point at which the source closed.
Does the Luxembourg RCS show who currently owns the shares? For a SARL, the articles of association filed at incorporation name the initial shareholders. Subsequent transfers must be notified, but the RCS entry reflects the last notified state, not necessarily the present date. For an SA, the share register is not a public document and is not held at the RCS. Current ownership for an SA cannot be established from the RCS alone.
Is the beneficial ownership register in Luxembourg publicly accessible? Following the CJEU ruling of November 2022, general public access to the RBE is restricted. Access requires a formal request with a stated legitimate interest. The data exists and is maintained; retrieval is not automatic and is subject to the registrar's assessment of the stated purpose.
What does a Luxembourg annual accounts filing show about control? The accounts show the financial position of the entity. They do not name shareholders. Related-party disclosures in the notes may indicate the existence of controlling relationships, but the identity of the controlling party is not a required disclosure in the accounts themselves.
Can pending litigation against a Luxembourg entity be found in public records? Recorded insolvency and judicial reorganisation proceedings appear in the RCS and RESA. Pending commercial litigation that has not resulted in a published insolvency notice is not searchable through the public online portals. A court registry request is required, and it is subject to access conditions.
What is not covered by any of the three tiers? No tier includes legal advice, legal qualification of findings, or review of any existing shareholders agreement. Shareholders agreements in Luxembourg are private documents; they are not filed with any public authority and are not accessible through official sources.
Sources:
Disclaimer: This report is a factual compilation from official registers and public sources. It is provided for informational purposes only, does not constitute legal advice, and contains no legal qualification of the facts established. VLO Law Firm assumes no liability for actions taken or not taken based on this material. For advice regarding your particular situation, please contact info@vlolawfirm.com.
Author: Elena Moretti — Partner, Continental Europe, VLO Law Firm