Corporate & M&A · Luxembourg
Mergers and acquisitions lawyer in Luxembourg: deals, due diligence, closing
Share purchases, asset transfers and cross-border reorganisations all run through Luxembourg law. We introduce you to a practitioner who works on transactions like yours.
- Practitioners focused on corporate and cross-border transactions
- Registered with the Barreau de Luxembourg or the Barreau de Diekirch
- First response usually within 24–48 hours
Matching is free for clients. Fees are agreed directly with your lawyer.
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Mergers and Acquisitions · Luxembourg
Why a local adviser matters in a Luxembourg transaction
Buying or selling a business in the Grand Duchy rarely touches one jurisdiction alone. A mergers and acquisitions lawyer in Luxembourg works at the meeting point of a civil-law system descended from the Napoleonic Code, a trilingual court administration and a financial centre full of cross-border holding structures. Whether you are acquiring shares, transferring real property that requires an authentic notarial deed, or preparing for due diligence, the task is to map the transaction onto Luxembourg law and onto the courts that would hear any dispute — the District Courts in Luxembourg and Diekirch, with appeal to the Court of Appeal. Lawyers here are the only professionals admitted to give legal consultations as a habitual paid activity, and they are bound by professional secrecy protected by criminal law. Tell us what you are buying or selling, and we match you with a lawyer who handles it.
Luxembourg in practice
How M&A work and disputes operate in Luxembourg
Luxembourg is a small country with an unusually international corporate market, and a set of legal features that shape every transaction. Here is what the official sources say about the profession, the courts, the languages, the costs and the time limits that run alongside a deal.
Who is allowed to advise you in Luxembourg
Only lawyers entered on the roll of one of the Grand Duchy’s two Bars — the Barreau de Luxembourg or the Barreau de Diekirch — may practise law here, and lawyers are the only professionals permitted to give legal consultations as a habitual paid activity. They are bound by professional secrecy protected by criminal law, which matters when you share sensitive deal documentation.
Real property in a transaction: the notarial deed
Where a deal involves immovable property in Luxembourg, the transfer must be recorded in an authentic notarial deed to be opposable to third parties and capable of registration in the mortgage register; the notary has exclusive competence to draw up the acts by which property changes owner. A private compromis de vente is commonly signed first and binds the parties, but it does not replace the deed.
Representation before the courts if a deal is disputed
Before the District Courts sitting in civil matters, the Court of Appeal, the Court of Cassation, the Constitutional Court and the administrative courts, the ministère d’avoué is in principle mandatory, so the parties must be represented by an avocat à la Cour entered on List I. In commercial matters, summary proceedings and certain other situations, wider forms of representation are permitted.
Languages: French procedure, three administrative languages
Luxembourg has three administrative languages — French, German and Luxembourgish — yet all procedural documents must be drafted in French, while hearings may be conducted in any of the three and court-provided translation is paid for by the State. Laws and the official journal are published in French, so working French is essential in litigation and common in negotiations.
What a dispute can cost after closing
Luxembourg charges no court fees to the State for bringing proceedings, so lawyers’ fees and the costs of notaries, bailiffs and experts dominate the budget. The losing party may be ordered to pay costs, but each side in principle bears its own lawyer’s fees unless the court awards a procedural indemnity. Fees are freely agreed with the client, and fee disputes go before the Bâtonnier.
Tax residence and the buying side of the deal
For direct taxes, a resident taxpayer is subject to income tax on worldwide income, whereas a non-resident is taxed only on Luxembourg-source income; holding a residence permit does not by itself create tax residence. Luxembourg’s bilateral treaties follow the OECD model and remove double taxation by exemption or credit — a routine question whenever the purchaser sits abroad.
Key time limit — Commercial & Corporate Law
General limitation period (civil and commercial claims) — 30 years. Contractual and commercial claims can therefore remain enforceable long after a transaction has closed.
All country details above are taken from official Luxembourg bodies (Ministry of Justice, Guichet.lu, Legilux, ITM, the direct taxation administration) and the European e-Justice Portal, current as at 2025.
- European e-Justice Portal — National justice systems: Luxembourg
- European e-Justice Portal — Access to justice at member state level: Luxembourg
- Ministry of Justice — The legal profession: avocat
- Guichet.lu — Lawyers’ fees and legal aid
- Legilux — Civil Code (limitation periods)
- ITM — Dismissal and resignation: notice periods
- Guichet.lu — Termination of a residential lease
- Guichet.lu — Filing a succession declaration
- Guichet.lu — Administrative appeals before the courts
- Justice.public.lu — Succession and the surviving spouse
- Guichet.lu — The preliminary sale agreement (compromis de vente)
- Administration des contributions directes — Residents and non-residents
Common situations
What clients bring to us
Most enquiries about Luxembourg transactions start with one of these three problems.
The deal is not only about price
Corporate records, real-property elements, employee liabilities and tax residence sit in different corners of Luxembourg law. A transaction that looks straightforward commercially can raise questions only a local practitioner is equipped to answer.
Two Bars, one small market
Luxembourg has two independent Bars — the Barreau de Luxembourg and the Barreau de Diekirch — and only lawyers on one of those rolls may practise here. Matching on level, language and sector experience saves months of misdirected effort.
Deadlines run whether or not you are ready
Warranty claims, employment arrears and administrative decisions each follow their own time limits. If a transaction sours after closing, the calendar starts running long before anyone instructs a lawyer.
How we help
Matching built around a Luxembourg transaction
We do not practise law — we find the practitioner whose work fits your file, and we do it without charging you.
Lawyers who work in French
Procedural documents in Luxembourg must be drafted in French and laws are published in French. Your practitioner works in that language, while hearings may be conducted in French, German or Luxembourgish.
Guidance on representation levels
Only lawyers on List I hold the title avocat à la Cour and may act before the District Courts in civil matters, the Court of Appeal, the Court of Cassation, the Constitutional Court and the administrative courts. We match on that basis.
A clear view of fees
There is no binding official tariff for lawyers’ fees in Luxembourg. Fees are agreed between lawyer and client, taking account of the importance and difficulty of the matter, the result obtained and the client’s financial situation.
One short conversation, not twenty
You describe the transaction once. We filter for practitioners whose practice covers corporate work in Luxembourg and put you in touch directly. No directories to trawl, no cold calls, no cost to be introduced.
Cross-border reach
Other European jurisdictions we cover
Luxembourg transactions often involve parties, assets or financing elsewhere in Europe. If your deal reaches beyond the Grand Duchy, we can match you in these markets too.
Questions clients ask
Mergers and acquisitions in Luxembourg: FAQ
What does a mergers and acquisitions lawyer in Luxembourg do for a client?
Typically they structure and document the transaction under Luxembourg law: examining the target’s corporate records, coordinating due diligence, advising on the form of transfer and the documents required for closing, and handling local formalities. If a dispute follows, they can also act before the District Courts in Luxembourg or Diekirch and, on appeal, the Court of Appeal.
Do I need a lawyer on List I of a Luxembourg Bar?
Before the District Courts in civil matters, the Court of Appeal, the Court of Cassation, the Constitutional Court and the administrative courts, the ministère d’avoué is in principle mandatory, and only lawyers on List I hold the title avocat à la Cour and carry out those acts. In commercial matters, summary proceedings and other listed situations, broader representation is permitted.
In which language will my Luxembourg transaction be handled?
Luxembourg has three administrative languages: French, German and Luxembourgish. Procedural documents must be drafted in French, hearings may be conducted in any of the three, and translation provided by the court is paid for by the State. Laws and the official journal appear in French, so working French is essential in litigation.
How are lawyers’ fees set in Luxembourg?
There is no binding official tariff. Under Article 38 of the Law of 10 August 1991 on the legal profession, the lawyer fixes fees in agreement with the client, considering the importance and difficulty of the matter, the result obtained and the client’s financial situation. Fee disputes may be brought before the Bâtonnier. The State charges no court fees for bringing proceedings.
Can a foreign buyer acquire a Luxembourg company without local advice?
Non-residents are taxed in Luxembourg only on Luxembourg-source income, while residents are taxed on worldwide income, and a residence permit does not by itself create tax residence; treaties following the OECD model address double taxation. Even so, only lawyers registered with the Barreau de Luxembourg or the Barreau de Diekirch may give legal consultations here as a paid activity.
Which Luxembourg courts would hear a dispute over a deal?
Civil and commercial claims are heard at first instance by the District Courts of Luxembourg and Diekirch, which have jurisdiction in all civil and commercial matters not expressly assigned elsewhere. Appeal lies to the Court of Appeal and cassation to the Court of Cassation, both sitting within the Supreme Court of Justice in Luxembourg City. Lower-value claims go to a Justice of the Peace.
Next step
Tell us about your Luxembourg transaction
Describe the matter in a few lines — a share purchase, an asset transfer, due diligence or a dispute that emerged after closing. We match you with a mergers and acquisitions lawyer in Luxembourg whose practice covers that kind of work. Free, confidential and without obligation.