17%
Lowest standard VAT rate in the EU — combined with a 16% CIT rate for larger companies and ~23.87% total rate in Luxembourg City including municipal tax
€2.9T
Assets under management in Luxembourg funds — the world's second-largest fund domicile; over 70% of US investment funds distributed in Europe are Luxembourg-domiciled
AAA
Luxembourg's sovereign credit rating — the EU's highest-rated small economy; a benchmark of institutional trust for international investors and counterparties
Why Americans Register Companies in Luxembourg
Luxembourg occupies a unique position in the global financial architecture that cannot be replicated by any other EU member state. Its UCITS framework — the global standard for cross-border retail investment funds — was created in Luxembourg and continues to dominate. Its SOPARFI holding company vehicle, combined with the participation exemption and an extensive treaty network of over 85 countries, makes it the default choice for structuring international investment holdings, private equity vehicles, real estate funds, and multinational group treasury operations across Europe.
For American business owners, Luxembourg's combination of US-treaty clarity, English as a working professional language (alongside French and German), a fully independent and competent judiciary, and a government that genuinely values international business creates an environment that many major US institutions — BlackRock, Vanguard, Fidelity, JP Morgan, Amazon, Amazon Web Services, PayPal, Skype — have chosen as their European operational home. The country is small (660,000 people), but its financial weight is extraordinary: Luxembourg's banking sector manages assets equivalent to many multiples of its GDP.
Business StructuresWhich Entity Type Is Right for You?
Luxembourg offers a rich menu of corporate structures — far more diverse than most EU member states — reflecting its role as a hub for sophisticated international structuring. For standard operating companies, the S.à r.l. is the default. For holding and investment structures, the SOPARFI is the vehicle of choice. For regulated funds, Luxembourg offers UCITS, AIF, RAIF, SICAR, and several other specialized vehicles.
Operating Companies★ Standard for SMEs
Private Limited Liability Company
S.à r.l. — Société à Responsabilité Limitée
The standard operating company structure for SMEs and foreign entrepreneurs. Liability limited to contributed capital. Minimum share capital of €12,000 — fully paid up before registration. Notarization of the Articles of Association (Statuts) by a Luxembourg notary is mandatory. Registered with the Registre de Commerce et des Sociétés (RCS). All documents in French, German, or Luxembourgish.
Holdings & Investment★ Recommended for investors
Financial Holding Company
SOPARFI — Société de Participations Financières
Not a separate legal form — a SOPARFI is typically an S.à r.l. or S.A. whose principal activity is holding and managing participations in other companies. Eligible for Luxembourg's participation exemption (exemption des revenus provenant de participations), which exempts qualifying dividends and capital gains from corporate income tax. The standard vehicle for international holding structures, private equity, and cross-border investment.
Public Markets
Public Limited Company
S.A. — Société Anonyme
For larger businesses or listed vehicles. Can issue shares to the public and list on the Luxembourg Stock Exchange (Bourse de Luxembourg), which is the world's leading exchange for listing international bonds. Requires minimum share capital of €30,000 (at least 25% paid up at formation). Mandatory board of directors and more complex governance. Also used as the legal form for many regulated Luxembourg fund structures.
Funds & Special Vehicles
Regulated Fund Structures
UCITS / AIF / RAIF / SICAR / SIF
Luxembourg offers the world's most comprehensive menu of regulated investment fund vehicles — UCITS (the global retail fund standard), AIFMD-compliant AIFs, the Reserved Alternative Investment Fund (RAIF — no CSSF prior approval required), the Specialised Investment Fund (SIF), and the SICAR for risk capital. Each has specific investor eligibility, regulatory, and reporting requirements. All require specialist legal and fund administration advice.
Luxembourg's Corporate Tax and the Participation Exemption
Luxembourg's corporate tax framework is more nuanced than its nominal rates suggest. The headline 16% CIT rate (reduced from 17% as of tax year 2025) applies only to income above €200,000 — a tiered structure applies below this threshold. More importantly, Luxembourg's participation exemption (exemption de participation) — which exempts qualifying dividends received and capital gains on disposal of qualifying shareholdings from corporate income tax — is the primary reason international investors choose Luxembourg for holding company structures. The exemption transforms Luxembourg's nominal rate into an effective rate close to zero for well-structured holding companies.
Luxembourg Corporate Tax — CIT, Municipal Tax, and the Participation Exemption
Luxembourg Tax Framework
16%
CIT (impôt sur le revenu des collectivités) — for taxable income above €200,000, reduced from 17% in 2025; combined with ~6.75% municipal tax in Luxembourg City = ~23.87% total
0%
Effective CIT on qualifying dividend income and capital gains under the participation exemption (exemption de participation) — the cornerstone of Luxembourg's holding company appeal
17%
Lowest standard VAT rate in the EU (TVA — Taxe sur la Valeur Ajoutée); mandatory registration when annual turnover exceeds €50,000 (raised from €35,000 in 2025)
Luxembourg has been a Eurozone member since 1999. Luxembourg has an active double taxation treaty with the United States — one of the most important in Luxembourg's treaty network of 85+ countries. The US-Luxembourg treaty provides reduced withholding rates on dividends, interest, and royalties paid between the two countries. Luxembourg's net wealth tax (impôt sur la fortune) of 0.5% applies to the net assets of Luxembourg companies but exempts qualifying participations. Luxembourg also applies a minimum net wealth tax regardless of profitability — as of tax year 2025, this ranges from €535 to €4,815 depending on the company's total balance sheet (a simplified progressive scale that replaced the previous €535–€32,100 regime after a 2023 constitutional court ruling). The CSSF (Commission de Surveillance du Secteur Financier) regulates Luxembourg's fund industry. Luxembourg's wealth management and fund ecosystem is supported by over 160 banks, 20,000+ investment funds, and a specialist legal and accounting infrastructure of extraordinary depth.
⚠️ US Tax Obligations Apply to Luxembourg Company Owners — Complex but Well-Managed
US citizens and Green Card holders are taxed by the United States on worldwide income regardless of where their business is incorporated. Owning a Luxembourg S.à r.l. creates standard US filing obligations including FBAR reporting and CFC reporting. At approximately 23.87% combined rate (CIT + municipal, current as of tax year 2025), Luxembourg's total effective corporate rate is above the GILTI high-tax exclusion threshold of 18.9% for most operating companies — meaning operating profits are likely to qualify for the GILTI high-tax exclusion. For Luxembourg holding companies benefiting from the participation exemption, however, the effective Luxembourg tax on holding income may be near zero — which falls below the GILTI threshold and triggers inclusion in US taxable income. This nuance — different effective rates for different income streams — makes US tax planning for Luxembourg structures particularly complex and requires expert advice. Luxembourg's deep professional ecosystem includes numerous advisors experienced specifically in US-Luxembourg cross-border tax matters.
How to Register a Company in Luxembourg
Registering an S.à r.l. in Luxembourg involves notarization of the Articles of Association (Statuts), opening a bank account and depositing share capital, and registration with the Registre de Commerce et des Sociétés (RCS). All foundational documents must be in French, German, or Luxembourgish. The process typically takes 1 to 3 weeks once all documents are prepared and the notary appointment is confirmed.
1
Choose Your Corporate Structure and Purpose
For standard operating companies, the S.à r.l. is the correct choice. For holding companies, investment vehicles, or fund structures, the appropriate vehicle — SOPARFI, RAIF, UCITS, SIF, or other — depends entirely on your investor base, regulatory requirements, and investment strategy. Engage a Luxembourg lawyer (avocat à la Cour) or qualified corporate service provider before proceeding: the choice of vehicle in Luxembourg has material legal, regulatory, and tax consequences that must be decided before any documents are drafted. Luxembourg's fund and holding company structures are not DIY projects — specialist legal advice from the outset is essential.
Legal advice first — structure choice is critical
2
Choose and Check Your Company Name
The company name must be unique in the Registre de Commerce et des Sociétés (RCS) and must include the entity type designation (e.g., "S.à r.l.", "S.A."). Name availability is checked through the RCS database (rcs.lu). The name must comply with Luxembourg naming regulations and cannot be identical or confusingly similar to existing registered entities or protected trademarks. Restricted terms (e.g., "Banque", "Assurance", "Fonds") require regulatory pre-approval. Your Luxembourg notary or corporate service provider checks name availability as part of the formation engagement.
RCS name check — rcs.lu
3
Open a Bank Account and Deposit Share Capital
Open a corporate bank account with a Luxembourg bank and deposit the full €12,000 minimum share capital for an S.à r.l. (or €30,000 minimum — 25% paid up — for an S.A.) before the notarization appointment. The bank issues a certificate confirming the deposit (attestation de dépôt de capital) that must be presented to the notary. Luxembourg banks include BGL BNP Paribas, Société Générale Luxembourg, ING Luxembourg, Banque de Luxembourg, and many others. AML due diligence for non-resident founders is rigorous — allow time for this step and prepare comprehensive documentation on ownership structure and source of funds.
€12,000 fully paid up (S.à r.l.)
4
Draft and Notarize the Articles of Association (Statuts)
A Luxembourg notary (notaire) drafts and notarizes the Articles of Association (Statuts) — the founding document of the S.à r.l. — which must include the company's name, registered office address, corporate purpose, share capital, shareholder details, and governance provisions. Notarization is mandatory for S.à r.l. and S.A. formation and cannot be bypassed. All notarial documents must be in French, German, or Luxembourgish. Non-residents who cannot attend in person in Luxembourg can grant a notarized, apostilled power of attorney to a Luxembourg representative to sign on their behalf. The notary then files the registration with the RCS.
Notarization mandatory — French / German / Luxembourgish
5
Register with the RCS (Registre de Commerce et des Sociétés)
The notary submits the registration application to the Registre de Commerce et des Sociétés (RCS) — Luxembourg's central commercial register — electronically. The application includes the notarized Statuts, bank deposit certificate, identification documents of shareholders and directors, Declaration of Beneficial Owners, and proof of registered office address. Once approved, the company is published in the Official Gazette (Mémorial C) and receives its RCS registration number. Standard processing time is approximately 3 to 10 business days from notary submission.
3–10 business days from notary submission
6
Obtain a Business Licence (Autorisation d'établissement) if Required
Luxembourg requires companies engaged in commercial, industrial, or artisanal activities to obtain an establishment permit (autorisation d'établissement) from the General Directorate for Small and Medium Enterprises (Direction générale des Classes moyennes) before commencing operations. The permit is not required for purely holding or passive investment activities — a key distinction for SOPARFI vehicles. For operating businesses, the permit application requires proof of professional qualifications or relevant business experience. Applications are submitted online through the guichet.lu portal and typically processed within 2 to 4 weeks.
Required for operating businesses — not for holding cos
7
Register for VAT (TVA) and Corporate Tax with the Tax Administration
Register the company for corporate income tax with the Luxembourg Tax Administration (Administration des Contributions Directes — ACD) and, if applicable, for VAT (TVA — Taxe sur la Valeur Ajoutée) with the VAT Administration (Administration de l'Enregistrement, des Domaines et de la TVA). VAT registration is mandatory when annual turnover exceeds €50,000 (raised from €35,000 in 2025). The standard Luxembourg VAT rate is 17% — the lowest in the EU. Luxembourg also applies reduced VAT rates of 14%, 8%, and a super-reduced rate of 3% for specific categories.
17% VAT — lowest in EU
8
Register with CCSS (Social Security) if Hiring
If your company will hire employees in Luxembourg, register as an employer with the Centre Commun de la Sécurité Sociale (CCSS) for social security and health insurance contributions. Luxembourg employer social contributions are approximately 12–15% of gross salary (covering health, pension, and other insurance). Employee contributions are approximately 12%. Luxembourg's labour market is genuinely trilingual (French, German, English) at the professional level, with one of the EU's highest average salaries — reflecting both the quality and cost of Luxembourg-based talent.
If hiring
What Does It Cost to Register a Company in Luxembourg?
Luxembourg's formation costs are among the higher in the EU — reflecting mandatory notarization fees, a €12,000 minimum capital requirement, and a professional services market priced at Western European premium rates. For the right structure, these costs are comfortably justified by the benefits Luxembourg provides.
| Cost Item | Notes | Est. Amount |
|---|---|---|
| Notary fees (Statuts) | Mandatory notarization of Articles of Association. Luxembourg notary fees are regulated but among the higher in the EU series — reflecting the level of legal review involved. | €1,000–€2,500 |
| RCS registration + Mémorial C publication | Government fee for commercial register entry and mandatory publication in the Official Gazette (Mémorial C). | €200–€500 |
| Minimum share capital (S.à r.l.) | €12,000 must be fully paid up before registration. Remains as company capital. For S.A.: €30,000 (25% paid up at formation). | €12,000 (S.à r.l.) |
| Business licence (if applicable) | Autorisation d'établissement required for operating businesses. Not required for holding / passive investment activities. | €24–€200 |
| Registered office (siège social) | Every Luxembourg company requires a registered address. Premium registered office services are available in Luxembourg City. | €600–€2,000/yr |
| Legal, accounting & domiciliation fees | Luxembourg attorney, corporate services firm, and accounting. Luxembourg professional rates are among the highest in the EU — budget accordingly for ongoing compliance. | €3,000–€10,000/yr |
Post-Registration Requirements
Luxembourg companies face comprehensive but well-structured ongoing compliance obligations. Annual accounts must be filed with the RCS and are publicly accessible. Luxembourg's three-language environment (French, German, Luxembourgish) means professional support is essential — English is the dominant language at the professional level but official filings are in French or German.
Annual Accounts & Corporate Tax Return
All Luxembourg companies must prepare annual financial statements in accordance with Luxembourg GAAP (based on the Law of 19 December 2002) and file corporate income tax returns with the Administration des Contributions Directes (ACD). Annual accounts must be filed with the RCS and are publicly accessible through the RCS database. The filing deadline is typically seven months after the end of the financial year. All larger companies are required to have accounts audited by an approved statutory auditor (réviseur d'entreprises agréé).
Corporate Governance — Gérant or Board
An S.à r.l. must have at least one gérant (manager) — who can be an individual or a corporate entity — and who can be a foreign national not residing in Luxembourg. Changes to the gérant must be published in the Mémorial C and filed with the RCS. An S.A. requires a board of directors (conseil d'administration) with at least three members. The gérant or board bears personal responsibility for the company's legal and tax compliance obligations.
Net Wealth Tax (Impôt sur la Fortune)
Luxembourg applies an annual net wealth tax (NWT) of 0.5% on the net taxable wealth of Luxembourg companies up to €500 million, and 0.05% on wealth above this threshold. Qualifying participations held for holding company purposes are generally exempt from NWT under the participation exemption. A minimum NWT applies based on balance sheet composition. For operating companies with modest assets, the minimum NWT is between €535 and €4,815 annually depending on total balance sheet assets (this progressive scale replaced the former €535–€32,100 regime as of tax year 2025, following a 2023 Constitutional Court ruling that struck down the old fixed-tier system). This is a uniquely Luxembourg tax with no direct equivalent in the other countries in this series.
Beneficial Owners Register (RBE)
Luxembourg maintains a central Registre des Bénéficiaires Effectifs (RBE) in line with EU AML directives. All companies must register their ultimate beneficial owners — individuals owning or controlling more than 25% of the company — and keep information current. Registration is completed through the LBR (Luxembourg Business Registers) platform and must be updated within one month of any change in beneficial ownership. The RBE is publicly accessible through the LBR portal.
What Americans Should Know Before Registering in Luxembourg
Luxembourg's value is in its holding and fund structures — not just its corporate tax rate
Luxembourg's combined corporate tax rate of approximately 23.87% (as of tax year 2025) is not particularly low by EU standards — lower rates exist in Ireland (12.5%), Hungary (9%), or Bulgaria (10%). Luxembourg's unique value is its participation exemption, which effectively taxes qualifying holding income at or near zero, its UCITS and AIFMD fund passporting frameworks (the most trusted in the world), its extraordinary depth of professional expertise in international structuring, and its political and institutional stability. If you are looking for a simple low-tax EU operating company, Luxembourg is probably not your best option. If you are structuring international investments, running a fund, or building a holding company architecture for a multi-country business, Luxembourg may be the only serious option.
The participation exemption is Luxembourg's signature advantage — understand it before incorporating
Luxembourg's participation exemption (exemption de participation) — codified in Article 166 of the Luxembourg Income Tax Law — exempts qualifying dividends and capital gains on the disposal of qualifying participations from Luxembourg corporate income tax. The conditions are: the Luxembourg company must hold at least 10% of the share capital (or shares with an acquisition cost of at least €1.2M), the participation must be held for at least 12 months, and the subsidiary must be a qualifying taxable entity. When these conditions are met, dividend income and capital gains flow through the Luxembourg holding company entirely free of Luxembourg CIT — making Luxembourg structures exceptionally efficient for multi-country investment platforms. Understand these conditions before incorporating to ensure your specific structure qualifies.
Luxembourg's US tax interactions are complex — the participation exemption creates GILTI issues for American owners
The participation exemption's elegance from a Luxembourg perspective creates a complication for US owners: if a Luxembourg holding company's income is exempt from Luxembourg CIT (effective rate near 0%), it falls well below the GILTI high-tax exclusion threshold of 18.9% — causing the holding income to be included in the US owner's taxable income annually under GILTI. For US investors in Luxembourg structures, this means the GILTI analysis must account for income streams separately — operating income taxed at ~23.87% may qualify for the exclusion, while participation-exempt income may not. Luxembourg's professional community has extensive experience managing this complexity for US clients, but it requires sophisticated planning. Engage a US cross-border tax advisor with specific Luxembourg holding company and GILTI experience before structuring.
The net wealth tax is Luxembourg-specific — budget for it from day one
Luxembourg's impôt sur la fortune (net wealth tax) has no direct equivalent in any other country in this series. Applied at 0.5% of net company assets (with the first €500M at this rate), it creates an ongoing annual charge that must be budgeted regardless of whether the company is profitable or distributes income. For operating companies with modest asset bases, the minimum NWT (which ranges from €535 to €4,815 based on balance sheet size as of tax year 2025) is often the more relevant figure. For large holding companies with significant asset values, the NWT calculation becomes more material. Qualifying participations in subsidiaries are generally excluded from the NWT base — another reason Luxembourg's participation exemption and holding company framework work together as a coherent system.
Luxembourg's three official languages affect documentation — French dominates professionally
Luxembourg has three official languages — Luxembourgish, French, and German — with French being the dominant language for commercial and legal documentation. RCS filings, notarial documents, and official correspondence are typically in French. German is used in some administrative contexts, particularly in areas near the German border. English is the working language of the financial and professional services sector and is spoken fluently by virtually all Luxembourg lawyers, accountants, and fund administrators. For American founders, this means professional communication is straightforward in English — but official filings and notarial documents will be in French, requiring professional translation or bilingual legal support.
Registering a Luxembourg Company Is Right for You If…
- →You are structuring an international investment holding, private equity vehicle, real estate fund, or cross-border corporate architecture where Luxembourg's participation exemption provides a genuine and material tax advantage.
- →You are establishing or distributing an investment fund in Europe and want the UCITS or AIFMD passporting framework that gives you access to all 27 EU member states through the world's most trusted fund domicile.
- →You need the institutional credibility and counterparty trust that Luxembourg's AAA sovereign rating, independent judiciary, and four decades of financial services leadership provide — particularly when dealing with major financial institutions, sovereign wealth funds, or institutional investors.
- →You have engaged Luxembourg legal and tax advisors who have confirmed that your specific structure benefits from the participation exemption and that your US cross-border tax position — including the GILTI implications of participation-exempt income — has been managed appropriately.
- →You are prepared for Luxembourg's professional fee levels, which are among the highest in the EU, and you understand that these costs are part of the infrastructure cost of accessing one of the world's great financial centres.
We work with trusted Luxembourg law firms, corporate service providers, and accounting firms who specialise in company formation, SOPARFI holding structures, fund establishment, and US cross-border tax coordination for non-resident clients. From Statuts drafting and notarization to RCS registration, business licence procurement, and CSSF fund authorisation — we guide you through every step of Luxembourg's sophisticated formation process. Before engaging any firm, it's worth cross-checking their standing on LocalVouch, an independent directory of verified client reviews for cross-border service providers.