Luxembourg Company Register: RCS, LBR Search and Official Company Verification
Luxembourg’s company register is the Registre de Commerce et des Sociétés, managed through Luxembourg Business Registers, and records legal entities, statutory filings, representatives, status, accounts, publications and official documents used for verification before contracts, investment or compliance checks.
How Luxembourg’s RCS Company Register Works
The RCS receives filings from Luxembourg companies and legal entities, stores legal and financial documents, assigns RCS numbers, publishes legally relevant information through RESA and provides searches, extracts, certificates and document copies through the LBR portal.
Search a Luxembourg Company Before Signing a Contract
Before signing with a Luxembourg company, search the LBR portal by exact legal name or RCS number, then compare the result with the contract, registered office, VAT number, representatives, bank details, fund documents and payment instructions.
What Luxembourg RCS Information Can Show
A Luxembourg RCS file can show legal name, RCS number, legal form, registered office, share capital, managers, directors, authorised representatives, accounting documents, articles, amendments, merger documents, dissolution records and court decisions depending on the entity type.
Verify Whether a Luxembourg Company Is Active or Dissolved
To verify whether a Luxembourg company is active, dissolved, liquidated, struck off or subject to a procedure, review the RCS extract, RESA publications, annual accounts, legal filings, court-related documents and any CSSF or CAA status where regulated activity is claimed.
Why Investors Should Check the Luxembourg Register
Investors should check the RCS before funding, acquiring or partnering with a Luxembourg company because filings may reveal legal form, capital, managers, accounts, merger history, liquidation records, representation powers or inconsistencies with private placement or investment documents.
Identify Managers, Directors and Authorised Representatives
Luxembourg due diligence must identify managers, directors, board members and authorised signatories through RCS extracts and filed documents, because the person negotiating may not have legal power to bind a company, fund vehicle or holding structure.
Official Luxembourg Company Documents Available
Official registry products can include RCS extracts, electronic certificates, certified documents, filed statutes, coordinated articles, annual accounts, management changes, registered-office changes, dissolution filings, merger documents, RESA publications and other statutory records kept by LBR.
Due Diligence Uses of Luxembourg Business Registers
Luxembourg registry checks support KYB, fund onboarding, holding-company review, investor screening, lending analysis, supplier verification, AML files and litigation preparation by creating an official baseline before beneficial ownership, tax, licence and sanctions checks.
How the Luxembourg Register Reduces Fraud Risk
The RCS reduces risk by exposing fake names, inactive companies, mismatched RCS numbers, unauthorised representatives, unusual legal forms, missing filings, liquidation indicators and invoices using company details that do not match official Luxembourg register records.
Luxembourg-Specific Point: RCS, RESA, RBE and eCDF
Luxembourg verification should combine the RCS number, RESA publications, RBE beneficial ownership position and eCDF-related accounts workflow, because legal existence, official publication, ownership transparency and financial-document filing are connected but not identical checks.
Official and Specialist Sources for Luxembourg Company Register Information
Luxembourg Business Registers
Website: https://www.lbr.lu/
Luxembourg Business Registers is the official portal for RCS, RESA and RBE access, providing searches, filings, extracts, certificates, annual accounts access, publications and document ordering for Luxembourg company verification and legal due diligence.
LBR RCS Search and Consultation
Website: https://www.lbr.lu/mjrcs/
The RCS consultation environment lets users search registered Luxembourg entities and consult company files, making it the practical access route for checking legal existence, RCS numbers, filings, extracts and official documents.
Luxembourg Trade and Companies Register
Website: https://www.lbr.lu/mjrcs/jsp/DisplayConsultationActionNotSecured.action
This RCS consultation page is used to access Luxembourg Trade and Companies Register searches, helping users find entities, verify names, review available filings and begin official due diligence before commercial reliance.
RESA Official Electronic Gazette
Website: https://www.lbr.lu/mjrcs-resa/
RESA is Luxembourg’s electronic platform for legally relevant publications, making it essential for checking corporate notices, filings, changes, dissolutions, mergers and official announcements linked to companies registered with the RCS.
Register of Beneficial Owners
Website: https://www.lbr.lu/mjrcs-rbe/
The RBE is Luxembourg’s beneficial ownership register, managed by LBR, and should be checked through permitted access routes when ownership, control, nominee risk, AML obligations or investor transparency are material to the transaction.
Guichet.lu RBE Registration Guidance
This official guidance explains registration with the Register of Beneficial Owners, including the role of LBR and the beneficial ownership information regime, helping users understand RBE obligations and verification relevance.
European e-Justice Luxembourg Business Register
The European e-Justice Luxembourg page explains consultation options for the RCS and summarises legal and financial information stored in the register, including representatives, registered office, capital, judicial decisions and accounting documents.
Luxembourg Business Register Identifier Guide
Website: https://org-id.guide/list/LU-RCS
Org-ID Guide identifies the Luxembourg RCS as a public register containing information that companies must disclose, helping compliance teams standardise Luxembourg company identifiers and connect RCS numbers with registry-sourced records.
eCDF Platform
Website: https://ecdf.b2g.etat.lu/ecdf/
The eCDF platform is Luxembourg’s electronic system for preparing and filing structured financial data, including annual accounts workflows, making it relevant when checking whether accounting information should later appear through LBR channels.
Guichet.lu eCDF Platform Guidance
This official guidance explains that eCDF is used for interim or annual financial data returns, including annual financial statements, helping users understand Luxembourg’s financial-data filing infrastructure before checking public accounting records.
eCDF Forms
Website: https://ecdf.b2g.etat.lu/ecdf/forms
The eCDF forms page provides access to electronic financial-data forms, supporting users who need to understand structured filing templates, annual accounts preparation and Luxembourg financial reporting workflows connected to company-register filings.
STATEC Central Balance Sheet Office
Website: https://statistiques.public.lu/en/statistique-publique/statistique-publique/centrale-des-bilans.html
STATEC’s Central Balance Sheet Office archives and publishes financial data of companies and traders subject to online annual accounts filing, supporting financial analysis and verification of Luxembourg companies with filed accounts.
Administration de l’Enregistrement, des Domaines et de la TVA
Website: https://aed.gouvernement.lu/en.html
AED is relevant for VAT and registration-duty matters, and Luxembourg VAT identity should be checked alongside RCS information when invoices, cross-border transactions, taxable activity or VAT registration claims matter commercially.
Luxembourg VAT Registration Guidance
This Guichet.lu page explains VAT registration with the Administration de l’enregistrement, des domaines et de la TVA, helping users distinguish company registration from Luxembourg tax-registration status during supplier or customer checks.
European Commission VIES VAT Check
Website: https://ec.europa.eu/taxation_customs/vies/
VIES allows users to validate EU VAT numbers, including Luxembourg VAT numbers, supporting invoice verification, intra-EU transaction checks and reconciliation between VAT identity, RCS records and contractual counterparty details.
CSSF
Website: https://www.cssf.lu/en/
The Commission de Surveillance du Secteur Financier supervises Luxembourg financial-sector professionals and products, making it essential when a Luxembourg company claims banking, fund, investment, payment, crypto or regulated financial activity.
CSSF Supervised Entities Search
Website: https://supervisedentities.apps.cssf.lu/index.html?language=en
The CSSF supervised entities search helps users verify whether a Luxembourg entity is supervised by the financial regulator, which must be checked separately from ordinary RCS incorporation or company-register status.
CSSF Help on Entity Searches
Website: https://www.cssf.lu/en/help/
The CSSF help page explains how users can search for entities supervised by the CSSF, supporting compliance teams that need to verify regulated status in Luxembourg financial-sector due diligence.
Commissariat aux Assurances
Website: https://www.caa.lu/en/home
The Commissariat aux Assurances is Luxembourg’s official insurance supervisory body, and it should be checked when a company claims insurance, reinsurance, pension fund, insurance distribution or insurance-sector professional activity.
CAA Supervisory Authority Page
Website: https://www.caa.lu/en/the-caa
This CAA page explains that the authority supervises insurance undertakings, reinsurance undertakings, pension funds, insurance-sector professionals, insurance intermediaries and ancillary intermediaries, making it central to insurance-sector verification.
Luxembourg Stock Exchange
Website: https://luxse.com/
The Luxembourg Stock Exchange should be checked when a company claims issuer status, securities listing, bond programme access or market disclosure obligations, because RCS incorporation alone does not prove listed or admitted status.
LuxSE Official List
Website: https://luxse.com/market-overview/official-list
The LuxSE official list provides a list of securities on Luxembourg Stock Exchange markets and platforms, supporting verification where a Luxembourg entity claims listed securities, bond issuance or exchange market visibility.
LuxSE OAM Search
Website: https://luxse.com/issuer-services-overview/oam/oam-search
The OAM search helps users find regulated information filed through Luxembourg’s official storage mechanism, making it useful for issuer due diligence, financial disclosures, annual reports and market-facing compliance documents.
LuxSE Securities Official List
Website: https://luxse.com/listing/our-markets-and-platforms/securities-official-list
The Securities Official List allows registration of instruments without admission to trading on LuxSE markets, making it important when distinguishing exchange listing, official-list admission and ordinary company registration.
OpenCorporates Luxembourg Register Reference
Website: https://opencorporates.com/registers/1098
OpenCorporates provides a Luxembourg register reference and aggregated company-data access for international screening, but official RCS, LBR extracts and RESA publications should remain the primary sources for legal verification.
Kyckr Luxembourg Registry Guide
Website: https://www.kyckr.com/blog/luxembourg-registry-guide-2025
Kyckr’s Luxembourg registry guide explains RCS and RBE access issues, available data and compliance limitations, helping KYB teams understand practical Luxembourg register use and live registry retrieval workflows.
Kyckr Company Register Data
Website: https://www.kyckr.com/company-register-data
Kyckr provides structured company-register data and live registry retrieval services, helping compliance teams integrate Luxembourg company checks into KYB, AML onboarding, supplier screening and international risk-management processes.
Business Data Guide Luxembourg Company Search
Website: https://www.businessdataguide.com/blog/jurisdictions/luxembourg-company-search-guide
Business Data Guide provides a Luxembourg company search guide for foreign compliance buyers, covering RCS access, LBR, costs, language issues, beneficial ownership constraints and practical KYB workflows.
Topograph Luxembourg Business Registers Guide
Website: https://www.topograph.co/guides/business-registers-in-luxembourg
Topograph explains Luxembourg’s RCS, RESA and RBE ecosystem, helping users understand how official publications, company registration and beneficial ownership checks interact in Luxembourg corporate due diligence.
Company Documents Luxembourg
Website: https://companydocuments.com/luxembourg
Company Documents provides Luxembourg company searches, registry extracts, certificates and due diligence documents through a private intermediary, useful when international users need official documents but prefer not to navigate LBR directly.
Company Diligence Luxembourg
Website: https://www.companydiligence.com/luxembourg/
Company Diligence offers Luxembourg registry extracts, company searches and document retrieval support, helping users obtain formal corporate records, due diligence reports or registry materials through a commercial service provider.
Schmidt & Schmidt Luxembourg Register Extracts
Schmidt & Schmidt provides Luxembourg commercial register extracts, translations and apostille-related support, serving users needing official registry evidence for banking, litigation, investor onboarding or cross-border compliance packages.
System Day Luxembourg Company Documents
Website: https://www.systemday.com/luxembourg-company-documents/
System Day offers Luxembourg company documents, company searches and registry extracts, supporting users who need intermediary access to official company information, certificates or due diligence materials from the Luxembourg register.
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