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CSSF: Luxembourg investment-firm checks, passports and investor protection

How to check a Luxembourg investment firm in CSSF Search Entities, distinguish its permitted activities and cross-border services, and understand the separate SIIL compensation and complaints processes.

By FXBrokers.ai ResearchLuxembourgPublished Updated Sources checked

Authority and scope

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CSSF supervises Luxembourg investment firms within an activity-based framework. Reception and transmission, execution, dealing on own account, portfolio management and investment advice are separate categories; a company’s name alone does not establish every permission.[1]

Authority
Commission de Surveillance du Secteur Financier
Jurisdiction
Luxembourg
Remit
Supervision of Luxembourg financial-sector professionals, including investment firms; activity-specific authorisations, prudential oversight and conduct supervision.

Registers and permission checks

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Entities & regulation01

Read the official record

Read the official record
CheckHow to use it
Legal identitySearch the legal company name and match the registered address, register code and any historical names with the proposed contract.Source 2
Current statusOpen the entity detail rather than relying only on a search result or a copied licence logo. Check whether the record is active and whether activities have date limits.Source 2
Permitted activityMatch the intended service to the entity’s listed investment services and ancillary permissions.Source 1Source 2
Cross-border routeA Luxembourg authorisation and an EEA passport have different roles. Confirm the actual contracting entity and destination-country service arrangements.Source 1

Open the official register

Check the exact legal entity, permissions, current status and scope in the official record. A brand connection in our coverage does not establish authorisation.

Rules for firms and products

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Cross-border permission does not mean that every host-country product rule disappears. CSSF published a notice drawing attention to CNMV’s Spanish CFD and other leveraged-product intervention. When a Luxembourg firm serves another market, identify the relevant national measure and affected activity as well as the home-state authorisation.[6]

Client assets and protections

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Protections & eligibility02

Separate the protections

Separate the protections
MechanismScope and limitation
SIIL investor compensationUp to €20,000 per eligible investor for covered money or instruments that an investment firm cannot return; market losses and poor advice are excluded.Source 3
Bank-deposit schemesDeposit protection is distinct from investor compensation. Omnibus client-money eligibility can depend on the bank and identification of underlying beneficial owners before failure.Source 3
CSSF complaint processWrite to the firm’s responsible manager first. CSSF requires that neither a satisfactory answer nor an acknowledgement arrives within one month. Refer an eligible complaint within one year of the original complaint; other admissibility conditions apply.Source 4
Nature of the processCSSF’s procedure is free and voluntary, subject to admissibility conditions. Its reasoned conclusions are non-binding; the process is not a court award.Source 4

Complaints and redress

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Keep the agreement, statements and complaint correspondence. They help establish which firm supplied the service and which protection or dispute process is relevant. The public register is a verification tool, not a recommendation to trade.[2][4]

CSSF’s ADR procedure requires a prior written complaint to the professional’s responsible complaint manager. Its current guidance permits referral where neither a satisfactory answer nor an acknowledgement was received within one month. The CSSF request must be made within one year of the initial complaint to the professional; the procedure also has substantive and jurisdictional exclusions.[4]

Process03

Prepare an admissible CSSF ADR file

Prepare an admissible CSSF ADR file
SubjectWhat it means
Existing proceedingsThe same complaint must not already have been examined, or be under examination, by another ADR body, arbitrator or court in Luxembourg or abroad.Source 4
DocumentsInclude identification, any representation authority, the initial complaint and response, and a clear account of the disputed events.Source 4
Languages and routesThe published procedure accepts Luxembourgish, German, English or French; use the online form or the published postal/email options.Source 4
Cost and outcomeCSSF does not charge for the procedure; a chosen adviser can charge. The reasoned conclusion is not binding on the parties.Source 4

Compensation and firm failure

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SIIL covers qualifying non-return of money or financial instruments, up to EUR 20,000 per person and institution. A change in market value is outside that protection. CSSF’s scheme page tells eligible investors to contact the CPDI within ten years of the relevant event; payment is due within three months after entitlement and amount have been established, subject to the framework.[5]

Protections & eligibility04

SIIL application points

SIIL application points
SubjectWhat it means
Joint holdingEach investor’s share is assessed; absent special provisions, shares are taken as equal.Source 5
QualificationIdentify the institution and covered service before applying the ceiling. Deposit protection and investor compensation are different mechanisms.Source 5
ContactThe scheme page publishes [email protected] for the compensation function; an ADR complaint is not the same filing.Source 5

Report misconduct, scams or a clone

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This profile has not yet established the applicable procedure, receiving body and eligibility for this task. Consult the authority’s official resources and check your firm, product and circumstances before acting.

Contacts & official resources

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External dispute resolution

CSSF out-of-court complaint resolution

Responsible body
Commission de Surveillance du Secteur Financier
Scope
Admissibility, one-year referral, supporting evidence, nonbinding resolution and costs.
Resource availability
Available
Checked
Source 4
Compensation

Investor compensation and SIIL

Responsible body
Commission de Surveillance du Secteur Financier
Scope
EUR20,000 qualifying claim, ten-year contact period, three-month payment after entitlement/amount established.
Resource availability
Available
Checked
Source 5
Rulebook

CNMV product intervention and Luxembourg firms

Responsible body
Commission de Surveillance du Secteur Financier
Scope
Luxembourg firms must consider Spanish product intervention for business within its scope.
Resource availability
Available
Checked
Source 6

Resource availability describes the documented route. It does not establish eligibility, authorisation or compensation coverage.

Follow the evidence

Sources & further reading

  1. Investment-firm activities and regulatory framework Commission de Surveillance du Secteur Financier · Accessed 12 Oct 2026
  2. Official Search Entities database Commission de Surveillance du Secteur Financier · Accessed 12 Oct 2026
  3. Protection of depositors and investors Commission de Surveillance du Secteur Financier · Accessed 12 Oct 2026
  4. Customer complaints and eligibility Commission de Surveillance du Secteur Financier · Accessed 15 Oct 2026
  5. Investor compensation and SIIL Commission de Surveillance du Secteur Financier · Accessed 15 Oct 2026
  6. CNMV product intervention and Luxembourg firms Commission de Surveillance du Secteur Financier · Accessed 15 Oct 2026

A documented resource is not a finding of eligibility or compensation coverage. Consult the named body and current official terms for your firm, product and circumstances.

Report an error or submit an update

Covered broker profiles

Profiles connected to this authority in our coverage. This is not a complete official register or a list of approved brokers; see each entity’s dated status.

Multi-asset

WH SelfInvest

WH SelfInvest’s Luxembourg CFD-Forex offer compared by account, pricing model and platform, including gold and crude references, custody and transfer fees, telephone dealing, SignalRadar controls and the separate futures and IBIE account routes.

Operating status
Active
Sources checked
12 Oct 2026
Read the profile of WH SelfInvest