Registre de Commerce et des Sociétés (RCS) is the official business register for Luxembourg. Every Luxembourgish legal entity must register and receive a RCS Number. Our database sources directly from Registre de Commerce et des Sociétés (RCS) and enriches each record with global business intelligence including financials, corporate ownership structures, and contact information.
Luxembourg B2B Database
B2B Database Luxembourg
Comprehensive B2B company data sourced directly from Registre de Commerce et des Sociétés (RCS). Every record enriched with corporate ownership and 50+ data fields.
Source: Registre de Commerce et des Sociétés (RCS)Registration ID: RCS Luxembourg NumberTax ID: 153,147 verifiedLegal types: S.A., S.à r.l., S.C.A., S.E. & moreLast updated: May 2026
161,256
Legal Entities
17,536
With Email Address
97,978
With CEO / Director
39,795
With Corporate Ownership
What's Inside a Luxembourgish Company Record?
Every legal entity includes 50+ data fields sourced from Registre de Commerce et des Sociétés (RCS) and enriched with global business intelligence. Toggle between Table, JSON, and CSV to preview the delivery format.
Arcelormittal
RCS Number: B82454 · Luxembourg, Luxembourg
| Company Identification | |
| Company Name | Arcelormittal |
| Registration ID (RCS Number) | B82454 |
| Tax ID | LUB82454 |
| Legal Entity Type | Corporation |
| Founding Year | 2001 |
| Location Type | Headquarter / Parent |
| Contact Information | |
| @arcelormittal.com | |
| Phone | +352 47 921 |
| Website | luxembourg.arcelormittal.com |
| Address | |
| Street | Boulevard D'Avranches 24-26 |
| Postal Code | 1160 |
| City | Luxembourg |
| Province / Region | Luxembourg |
| Country | Luxembourg (LU) |
| Industry Classification | |
| SIC Code | 7389 - Business Services, Not Elsewhere Classified |
| National Industry Code | 70100 - Activities of head offices |
| NACE Code | 8299 - Other business support service activities n.e.c. |
| Financial Data | |
| Revenue (Local, EUR) | 2,357,905,156 |
| Revenue (USD) | $2,744,288,000 |
| Employees | 32,000 |
| Corporate Ownership | |
| Global HQ | Arcelormittal (self) |
| Companies in Group | 1169 |
Explore Luxembourg Company Data
Detailed breakdown of all 161,256 legal entities registered in Luxembourg.
| Region | Companies | Share | Distribution |
|---|---|---|---|
| Capellen | 8,571 | 5.3% | |
| Clervaux | 3,449 | 2.1% | |
| Diekirch | 2,455 | 1.5% | |
| Echternach | 1,714 | 1.1% | |
| Esch-Sur-Alzette | 18,331 | 11.4% | |
| Grevenmacher | 4,375 | 2.7% | |
| Luxembourg | 112,749 | 69.9% | |
| Mersch | 2,533 | 1.6% | |
| Redange | 1,959 | 1.2% | |
| Remich | 2,808 | 1.7% |
Largest Companies in Luxembourg
Top 10 Luxembourgish legal entities by number of employees, sourced from Registre de Commerce et des Sociétés (RCS) and enriched with financial data.
| # | Company | RCS Number | Industry | Employees | Revenue (USD) | City |
|---|---|---|---|---|---|---|
| 1 | Ikom Invest S.A. | B229458 | Offices of Holding Companies, Not Elsewhere Classified | 31,000 | $178K | Manternach |
| 2 | Arcelormittal Europe | B55559 | Management Services | 20,000 | $374.3M | Luxembourg |
| 3 | Vantage Neuss S.A R.L. | B229693 | Offices of Holding Companies, Not Elsewhere Classified | 12,000 | $356K | Luxembourg |
| 4 | 17capital Co-Invest (v) Gp S.A R.L. | B264327 | Offices of Holding Companies, Not Elsewhere Classified | 12,000 | $178K | Luxembourg |
| 5 | Vwr International Europe S.AR.L. | B101701 | Offices of Holding Companies, Not Elsewhere Classified | 7,000 | $712K | Hesperange |
| 6 | Amazon EU S.A R.L. | B101818 | Offices of Holding Companies, Not Elsewhere Classified | 5,262 | $106.6B | Luxembourg |
| 7 | Ministère De L'education Nationale, De L'enfance Et De La Jeunesse | — | General Government, Not Elsewhere Classified | 5,000 | $132K | Luxembourg |
| 8 | Post Luxembourg | J28 | Communications Services, Not Elsewhere Classified | 4,652 | $209K | Luxembourg |
| 9 | W.M.A. | B65434 | Offices of Holding Companies, Not Elsewhere Classified | 4,565 | $356K | Luxembourg |
| 10 | Vita (lux Iii) S.A R.L. | B107582 | Offices of Holding Companies, Not Elsewhere Classified | 4,227 | $712K | Hesperange |
Registre de Commerce et des Sociétés (RCS) Lookup via API
Use the CompanyData API as your Registre de Commerce et des Sociétés (RCS) alternative. Look up any Luxembourgish legal entity by RCS Number, company name, or address and receive structured JSON with 50+ data fields in real time.
Why use CompanyData as your Registre de Commerce et des Sociétés (RCS) API?
- Look up any of 161,256 Luxembourgish legal entities by RCS Number
- 153,147 verified Tax IDs with real-time validation & livecheck
- Firmographic data + corporate ownership structures via API
- Same API for 200+ countries — not just Luxembourg
- REST API with JSON response, easy to integrate
- GDPR compliant
// Look up a Luxembourgish company by RCS Number
GET /api/v1/company/lookup
{
"registration_id": "B82454",
"country_code": "LU"
}
// Response
{
"company_name": "Arcelormittal",
"registration_id": "B82454",
"legal_type": "Corporation",
"city": "Luxembourg",
"employees": 32000,
"revenue_usd": 2744288000,
"ownership": { ... }
}
How You Receive Luxembourg Company Data
Choose the delivery method that fits your workflow. All data sourced from Registre de Commerce et des Sociétés (RCS) with 50+ fields per legal entity.
API Access
Real-time company lookup via REST API. Search by RCS Number, company name, or filter by region, industry, and size. Returns structured JSON.
View API DocsCSV / Excel Export
Download the full Luxembourg database or a filtered subset as CSV or Excel. Perfect for CRM imports, lead lists, and market research.
Get a Free SamplePlatform Access
Search, filter, and export Luxembourgish companies directly from our online platform. Build targeted lists with advanced filters on region, size, and industry.
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Frequently Asked Questions
Common questions about our Denmark company database.
The RCS Luxembourg Number is the unique identifier assigned to every legal entity registered in Luxembourg. It is used for legal filings, tax administration, and business transactions. Our database includes RCS Numbers for 161,256 legal entities in Luxembourg.
Our database covers all types of Luxembourgish legal entities registered with Registre de Commerce et des Sociétés (RCS), including: S.A., S.à r.l., S.C.A., S.E. & more.
We provide firmographic data including revenue estimates, employee counts, industry classifications, and corporate ownership information. P&L and balance sheet data is not currently available for Luxembourg.
Yes. Our REST API allows you to look up any Luxembourgish legal entity by RCS Number, company name, or address. CompanyData returns enriched data including financials, corporate ownership, and contact details — all in a single API call. The same API key works for 200+ countries, making it ideal if you need company data beyond Luxembourg.
Firmographic data (company details, addresses, industry codes) is refreshed on a rolling basis from Registre de Commerce et des Sociétés (RCS). Financial data and corporate ownership records are updated as new filings become available.
Yes. All data is sourced from publicly available business registers and is fully GDPR compliant. We provide B2B company data only — not personal consumer data.
Pricing depends on the volume, data fields, and delivery method you need. We offer flexible options: API access starts with a free test key, CSV/Excel exports are quoted based on your selection criteria, and platform access is available with monthly plans. Request a free sample first — there's no commitment, and our team will provide a tailored quote based on your requirements.
Absolutely. Click "Get a Free Data Sample" and tell us what you're looking for — industry, region, company size, or any other criteria. You'll receive a selection of verified Luxembourgish company records so you can evaluate the data quality before committing.
Yes. You can filter Luxembourgish companies by region, industry (SIC/NACE codes), employee count, revenue range, legal entity type, and many more criteria. This works across all delivery methods — API, CSV export, and platform.
API: Best for developers and automated workflows. Look up companies in real time by RCS Number or search criteria, and receive JSON responses. CSV/Excel: Best for one-time exports or CRM imports. Get the full dataset or a filtered subset delivered as a file. Platform: Best for sales and research teams. Search, filter, and export Luxembourgish companies from our web interface without any technical setup.
Get a Free Sample of Luxembourg Company Data
Receive verified Luxembourgish company records with full RCS Number details, corporate ownership, and 50+ data fields. No commitment required.
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