Written complaint to Hipparchus
Provide facts, dates, and supporting documents. We acknowledge receipt and review. Use the Contact page; postal address is in legal notices.
This page sets out, transparently, the authorities and mechanisms a client may use in case of breach or dispute, and the key legal references.
Hipparchus is not a CIF (Conseiller en Investissements Financiers) and does not provide CIF services. We do not deliver investment advice under the CIF regime.
Depending on the exact nature of the service (introduction, intermediation, structuring, coordination), certain controls and remedies may apply to the regulated professionals actually involved (credit institution, insurer, investment firm, registered intermediary, etc.).
For regulated services provided by third parties, the relevant mediator/regulator is often tied to that professional (contractual and legal rules apply).
Good order: contact us in writing first; then use the relevant ADR mechanism (consumer mediation or sector mediator), and finally — if needed — reporting or judicial routes.
Provide facts, dates, and supporting documents. We acknowledge receipt and review. Use the Contact page; postal address is in legal notices.
Consumers have the right to free consumer mediation, subject to a prior written complaint. Professionals must communicate the mediator’s contact details.
Insert here the consumer mediator’s name and contacts applicable to your business. French law requires you to provide this information (incl. when a prior complaint failed).
Reference: Code de la consommation, art. L.616-1.
Open L.616-1If your dispute involves a bank, insurer, or financial intermediary, the competent mediator is often the institution’s or sector mediator (per contract and rules).
If you believe a professional breached regulations, some authorities can receive a report (without replacing courts for individual dispute resolution).
You may seize competent courts at any time. For company registration / corporate life topics, the Paris Commercial Court can be a reference point.
The EU Online Dispute Resolution (ODR) platform was discontinued as of 20 July 2025. For guidance, use the EU Consumer Redress portal.
EU Consumer RedressLinks below point to official pages for complaints, mediation, registers, or filing a report/complaint.
Official register of insurance, banking and finance intermediaries
Use ORIAS to verify whether an intermediary is registered and authorized for a regulated intermediation activity.
Prudential supervision and customer protection
You may submit a complaint/report to ACPR if you believe a regulated professional failed to comply with rules. ACPR does not arbitrate private disputes.
Free public mediation service in financial matters
If a dispute involves a financial intermediary, AMF’s mediator may help resolve it amicably (competence depends on the case).
Data protection authority — lodge a complaint
If you believe your personal data rights were breached, you may lodge a complaint with CNIL after contacting the organization first.
Public service to report consumer issues
SignalConso helps consumers report issues with businesses and get guidance on next steps.
Jurisdictional information and references
For business-related disputes and corporate registrations/life, consult official information pages.
We cite core provisions on consumer mediation and consumer information. For data protection, the GDPR provides a right to lodge a complaint with a supervisory authority.
Consumers have the right to free consumer mediation; the professional must ensure effective access to a mediation scheme.
Open official pageProfessionals must communicate the competent consumer mediator’s contact details, including when a prior complaint has not resolved the issue.
Open official pageThe mediation outcome occurs within a maximum of 90 days from the notification, extendable for complex disputes.
Open official pageNo. ACPR can receive complaints/reports about regulatory compliance, but it does not arbitrate private disputes between a professional and a client.
Competence depends on the nature of the dispute and the professional involved; check AMF’s guidance before filing.
The EU ODR platform was discontinued as of 20 July 2025. Use the EU Consumer Redress portal for guidance.
We aim to handle requests in a traceable and proportionate manner. A complete written complaint significantly speeds up review.
Describe your need in a few lines. We will revert with clear framing, a method, and next steps.