Halvorsen & Reith

Share class and class rights structuring in Luxembourg

Share class and class rights structuring in Luxembourg turns on one question a foreign parent frequently underestimates: what has to be filed, and what becomes public, once a second class of shares exists. The general architecture is familiar from anywhere else in continental Europe – notarial deed, general meeting resolution, amended articles. What differs is the sequence in which the register expects to see it, and what a class of shares actually becomes once that register has recorded it.

A Luxembourg holding company issues management with a second class of shares carrying weighted voting rights ahead of a refinancing. The term sheet is agreed within days. Nobody has confirmed whether the amendment needs a notarial deed before completion, or whether the new class has to be described in the articles before the lender releases funds. That gap is where the work in this jurisdiction actually sits.

This page sets out what the Luxembourg requirement tests, what becomes visible once the filing is made, and where the boundary of this firm's advisory role sits.

What changes in Luxembourg for share class and class rights structuring

Share class structuring as a discipline is described on the practice page for share class and class rights structuring across the jurisdictions this firm advises on. In Luxembourg the mechanics differ from a common-law register in three respects that a board planning a new class needs to know before drafting starts.

First, the articles of association are amended by notarial deed, not by a board resolution or a special resolution simply filed at a registrar's counter. A resolution to create a new class of shares, or to vary the rights attached to an existing one, has to be passed by the general meeting sitting before a Luxembourg notary and recorded in a notarial deed before it takes effect. 01 A private agreement setting out the same commercial terms does not substitute for this step; it sits alongside the articles, not instead of them.

Second, the majority required to pass that resolution is higher than the majority needed for ordinary business, and where the amendment touches the respective rights of an existing class against a new one, that class's own consent is tested separately from the general meeting vote. For a group structure that already operates in more than one jurisdiction, the drafting choices made in Luxembourg have to sit consistently alongside whatever the equivalent instrument says elsewhere in the group – a term sheet negotiated on the assumption that one vote settles the point routinely has to be revisited once this is confirmed.

Third, Luxembourg company law does not impose a sectoral licensing or regulatory notification step purely because a company creates a second class of shares. There is no requirement to notify a financial sector regulator of a change to share class rights unless the company is itself a regulated entity for an unrelated reason. Founders coming from a jurisdiction where a change of this kind triggers a regulatory step often assume Luxembourg works the same way; it does not, and confirming that early removes a step from the timetable rather than adding one.

For a sense of how the same question is answered elsewhere in the group, the equivalent structuring work in Malta follows a different sequence again, built around its own register and its own majority thresholds.

The local requirement or test that drives the work

The test the Luxembourg regime actually applies is narrower than it first appears. It is not whether a company can have more than one class of shares – Luxembourg company law permits that without difficulty – it is whether the rights attached to each class are described with enough precision in the articles that the register, a future investor and a court reading the constitution five years later reach the same answer about what each class is entitled to.

That precision test has three layers a board has to work through in sequence. The first is economic: dividend priority, redemption terms, liquidation preference, each stated as a rule rather than an intention. The second is voting: whether the new class votes with the ordinary shares, votes separately on defined matters, or does not vote at all, and what happens if the articles are silent on a point nobody thought to specify. The third is procedural, and it is the layer most often skipped: what has to happen before the rights of that class can be varied again, since a class right sitting outside the company's ordinary corporate governance cycle is a right that survives only until the next general meeting decides otherwise.

Shareholder rights attached to a badly drafted class do not correct themselves once the resolution is passed. The Luxembourg Trade and Companies Register, the body that functions as the Luxembourg corporate register, is the register that receives the amended articles and makes the amendment part of the public commercial record. 02 Once the resolution is filed there, the description of each class stops being a private drafting choice; it becomes the document a counterparty, a lender or a future buyer will read to work out what they are actually dealing with. The moment the filing is made, that description becomes visible on the register, and the drafting choices behind it stop being something the group can quietly revise. That is the point at which disclosure exposure, not legal uncertainty, becomes the live issue.

The link between where a Luxembourg company's decisions are actually taken and how its share classes are drafted is closer than it looks. A class structure that assumes decisions are made at board level in Luxembourg, when the real decision-making sits with a parent elsewhere, is a structure whose governance provisions and its substance test answer to different facts.

The filing, register and forum consequence

Filing the notarial deed with the Luxembourg corporate register is not the end of the sequence. The amended articles are also published through the Recueil électronique des sociétés et associations, the electronic gazette that makes the deed available to any third party who searches the company's file, in addition to any registered office and register filing already made. 03 This is a corporate filing, not a regulatory filing in the sense of a sector-specific notification, and no separate regulatory filing is required purely because a new class of shares has been created. A group that treats the notarial step as the compliance event, and publication as an afterthought, discovers the gap when a counterparty in a later transaction produces the published deed and asks why the term sheet describes the class differently.

The forum consequence follows from the same publication. A dispute over what a class of shares is entitled to is decided by reference to the articles as filed, not the negotiation history that produced them. Correspondence, side letters and draft term sheets are evidence of intention; the filed articles are the instrument a Luxembourg court, or an arbitral tribunal applying Luxembourg law, will read first. It can only be amended prospectively, through the same notarial procedure that created it, and that amendment runs from the date it is itself filed, not from the date the mistake is noticed.

Two structures resolve the underlying tension differently, and the comparison is worth running before drafting starts rather than after a dispute. The way pre-emption rights on a transfer interact with class rights is set out across several jurisdictions in this comparison of pre-emption regimes on share transfers; Luxembourg's answer sits closer to the civil-law column than to the common-law one. Getting the sequence right, rather than the wording alone, is usually the harder half of the exercise; a separate note on sequencing and timing in share class and class rights structuring sets out the order in which the steps have to run so that the notarial deed is not drafted before the commercial terms it records are actually final.

Once the deed is filed, the wording on the public record is fixed, and any correction runs from the date of the new filing, not from the date the error is noticed. Where the Luxembourg filing has been handled by a locally licensed agent under terms your board has not itself reviewed, the gap most often shows up in what happens if that filing turns out to be wrong.

Review your appointment terms. Write to info@hreithlaw.com with the jurisdiction and the structure.

What this service does not include in Luxembourg

The advisory work on share class and class rights structuring in Luxembourg does not include acting as, supplying, sourcing or arranging a director, a company secretary, a nominee shareholder or a trustee for the entity being restructured. It also does not include acting as the company's registered office provider, holding the registered office address, filing on the client's behalf as the registered agent of record, or any other activity for which a Luxembourg trust or corporate service provider licence is required. Luxembourg licenses those activities separately from the practice of law, and offering them without the licence is not a positioning question – it is not something the firm can do.

What the engagement does produce is the analysis a board needs before it instructs whoever performs those licensed functions: the class rights mapped against the commercial term sheet, the notarial deed reviewed before it is signed, the variation mechanism checked against what the group actually intends to happen at the next funding round, and the exposure identified if the filed wording and the negotiated wording diverge.

Before a board instructs anyone to draft or file a new class of shares in Luxembourg, it is worth having answers, not intentions, on:

Where any of those five points is unresolved, drafting the deed before resolving it usually costs more time than confirming it first.

A share class structure that depends on a licensed function performed by someone whose engagement terms nobody on the board has actually read carries the exposure quietly until the class rights are tested. That is worth confirming before, not after, the next funding round or transfer.

Review your appointment terms. Write to info@hreithlaw.com with the jurisdiction and the structure.

Frequently asked questions

Does share class and class rights structuring in Luxembourg change for a foreign-owned company?
Not in the mechanics. A Luxembourg subsidiary of a foreign parent goes through the same notarial deed and register filing as a wholly domestic company. What changes is the governance question sitting behind it: whether the parent's decision-making genuinely happens where the articles assume it does, which is a substance question rather than a filing one.
What does share class and class rights structuring in Luxembourg require in practice?
In practice it requires the economic and voting rights of each class stated precisely enough that the register, a future investor and a court reading the articles years later reach the same answer, followed by a notarial deed recording the resolution and its filing with the register. Nothing about the process is optional once a second class exists; the only variable is how carefully the drafting is done before the deed is signed.
Who inside the company is responsible for share class and class rights structuring in Luxembourg?
The board proposes the amendment and the general meeting passes it, but responsibility for checking that the filed wording matches the commercial agreement sits with whoever on the board owns the transaction, not with the notary who executes the deed. Many boards assume the notary confirms that alignment; the notary confirms the formalities, not that the term sheet and the articles say the same thing.
What evidence should the board keep on share class and class rights structuring in Luxembourg?
The board minute approving the resolution, the term sheet the resolution was meant to implement, and a note of which class consented separately where the amendment touched an existing class's rights. Keeping those three together is what allows a later dispute to be resolved by reference to intention as well as to the filed wording.
What happens if share class and class rights structuring in Luxembourg is not addressed?
The company continues to operate under whatever the articles currently say, which for many groups means a single class of shares that does not reflect the economic arrangement already agreed informally between the parties. That gap is manageable until a transfer, a funding round or a dispute forces someone to read the articles literally, at which point the informal arrangement has no standing against the filed wording.

Lukas Verhoeven, expert author in the constitutional documents and shareholder arrangements practice. He writes on cross-border share class structuring, class rights drafting, and the governance provisions linking a group's constitution to where its decisions are actually taken. His focus within this practice is the drafting choices that determine whether a class right survives being tested by a court, a lender or a later transfer. He pays particular attention to Luxembourg, the Netherlands and Malta.

Sources

A means a primary text or a regulator statement. B means a consistent professional source, or a conclusion drawn from the absence of a provision.

  1. A Luxembourg – amendment of articles of association, including creation or variation of a class of shares, by notarial deed and general meeting resolution reviewed 2026-08-10
  2. A Luxembourg – Registre de Commerce et des Sociétés, the corporate register receiving amended articles reviewed 2026-08-10
  3. A Luxembourg – registered office and publication of amended articles through the Recueil électronique des sociétés et associations reviewed 2026-08-10
By Sofia Anselm