Branch or subsidiary in Luxembourg, the choice that sets your liability.
A foreign company setting up in Luxembourg chooses between two routes: incorporating a subsidiary, a standalone Luxembourg company, or opening a branch, a legal extension of the head office. The decision turns on liability and taxation, not on incorporation cost. FSL handles the corporate, accounting and tax side of the setup; the notarial deed and reserved acts are coordinated with our partners.
In Luxembourg, a subsidiary is a Luxembourg-law company with its own legal personality, separate from its parent, whose liability is limited to its contribution. A branch is an autonomous establishment that is not legally distinct: the parent company answers for its commitments without limitation.
Amended law of 10 August 1915 on commercial companies and the Civil Code for legal form and liability. Business licence governed by the amended law of 2 September 2011. Filing obligations governed by the amended law of 19 December 2002: Luxembourg branches of foreign companies fall within their scope, other than credit institutions and insurance or reinsurance undertakings. Sources: guichet.public.lu, verified 10 August 2026.
Key takeaway
- A subsidiary ring-fences risk: the parent is exposed only up to its contribution, absent any guarantee it has granted.
- A branch ring-fences nothing: the parent is fully bound by the branch's acts.
- Both routes require a business licence and the filing of accounts with the RCS. A branch is not an administrative shortcut.
Branch or subsidiary: what is the difference in Luxembourg?
The difference comes down to one point, and everything else follows from it: a subsidiary exists legally, a branch does not. A subsidiary is a Luxembourg-law company with its own legal personality, whose capital is held for more than half by the parent. A branch is an establishment that enjoys a degree of operational autonomy without being legally distinct from the company that created it.
This distinction is not academic. It determines who answers for the debts. An unpaid client, an employment claim or a tax reassessment hitting a subsidiary stops at that subsidiary's assets, absent any guarantee granted by the parent. The same event hitting a branch reaches the parent's assets directly, with no cap.
The most common misjudgement is to pick the branch because it looks lighter to set up. It genuinely is: no capital to subscribe, no constitutive deed. But the saving runs to a few thousand euros at the outset, against uncapped balance-sheet exposure for the whole life of the operation. The arithmetic reverses at the first significant incident.
What formalities apply to each option?
A subsidiary follows the path of an ordinary Luxembourg company: choice of legal form, drafting and signature of the constitutive deed, application for a business licence, registration with the Trade and Companies Register, then VAT registration. The full path is set out on our company formation page.
A branch escapes the constitutive deed and the capital requirement, but not the rest. Where the parent is from an EU Member State or a third country, a business licence must be applied for in respect of the activity carried on in Luxembourg. The branch is entered in the register, and the obligation to file annual accounts with the RCS applies to Luxembourg branches of foreign companies, other than credit institutions and insurance or reinsurance undertakings.
In other words, a branch lightens formation, not ongoing compliance. Accounting, filing, VAT and social security affiliation of employees follow the same logic as for a subsidiary. Choosing a branch to avoid accounting obligations targets the wrong lever.
How is each structure taxed?
A subsidiary has a tax personality separate from its parent. Its result is determined and taxed in Luxembourg, with the usual components: corporate income tax, the employment fund contribution, municipal business tax which varies by municipality, and net wealth tax. Dividends it pays to its parent are frequently exempt under the parent-subsidiary regime, and tax consolidation may be available subject to conditions.
A branch has no tax personality of its own. Its results are included directly in the head office accounts, and an annual communication to the Direct Tax Administration is required. It cannot enter into separate contracts with its parent, which closes structuring levers a subsidiary keeps open, notably on intragroup financing and transfer pricing.
One point calls for a case-by-case check rather than a general rule: the treatment of start-up losses. Depending on the applicable tax treaty and the law of the head office state, a loss-making branch may in some cases allow relief at head office level, which a subsidiary does not. That is the one serious tax argument for a branch, and it depends entirely on the parent's country. We address it with your home-jurisdiction tax counsel.
Which one should you choose?
The deciding criterion is not formation cost, it is time horizon and exposure. A lasting presence, with employees, assets and local commitments, calls for a subsidiary: it ring-fences risk, it can be sold, it can be financed, and it gives banks and clients a credible Luxembourg counterparty.
A branch holds up in three cases. A short-horizon market test, where a strike-off beats a liquidation. A representation activity with no heavy contractual commitments. Or a tax configuration where relief for start-up losses at head office level is confirmed by home-country counsel.
Moving from one to the other remains possible. A branch whose activity is confirmed can transfer its business to a newly incorporated subsidiary, an operation that carries a cost but stays manageable when anticipated. The reverse, turning a subsidiary into a branch, requires a liquidation and is rarely justified.
Branch and subsidiary compared point by point
| Criterion | Subsidiary | Branch |
|---|---|---|
| Legal personality | Separate from the parent, a Luxembourg company in its own right | No separate personality, a legal extension of the head office |
| Parent company liability | Limited to its contribution, absent any guarantee granted | Fully bound by the branch's acts |
| Formation | Choice of legal form, constitutive deed, subscribed capital | Decision of the parent's competent body, no capital of its own |
| Business licence | Required for the activity carried on | Required where the parent is from the EU or a third country |
| Trade register | Registered as a Luxembourg company | The branch itself is registered |
| Taxable result | Separate tax personality, result taxed in Luxembourg | Result included in the head office accounts, annual return to the ACD |
| Profit repatriation | Dividends, often exempt at parent level under the parent-subsidiary regime | No distribution, the result flows to the head office automatically |
| Annual accounts | Own accounts filed with the RCS | Filing with the RCS also required |
| Exit | Liquidation or sale of the shares | Strike-off, simpler and less costly |
Who it is for
- Foreign companies testing the Luxembourg market before a heavier investment
- Groups building a lasting presence with local staff and assets
- EU businesses operating in Luxembourg under freedom of establishment
- Directors weighing risk ring-fencing against ease of exit
What we handle
- Comparative branch / subsidiary analysis against your exposure and time horizon
- Business licence and registration with the Trade and Companies Register
- VAT registration and CCSS affiliation for local employees
- Lux GAAP accounting, annual accounts and eCDF filing
- Later conversion of a branch into a subsidiary once the activity is confirmed
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Frequently asked questions
What is the difference between a branch and a subsidiary in Luxembourg?
Must a branch file annual accounts in Luxembourg?
Is a business licence required to open a branch?
Is a branch cheaper than a subsidiary?
Is the parent liable for its subsidiary's debts?
Can a branch be converted into a subsidiary?
Which option suits a market test?
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