Version 1.0 · Effective date: 5 July 2026
This Privacy Policy explains how Siudym Advisory collects, processes, stores, and protects personal data in connection with the operation of https://siudymadvisory.online and the provision of professional advisory services. It is issued in accordance with Regulation (EU) 2016/679 (GDPR) and applicable French data-protection law.
1. Data Controller
| Trading name | Siudym Advisory |
|---|---|
| Legal entity | Sylwester Jan Siudym — Entrepreneur Individuel (EI) |
| SIREN | 106 711 872 |
| SIRET | 10671187200015 |
| APE / NAF code | 7021Z — Conseil en relations publiques et communication |
| Registered address | 12 Rue Vieille du Temple, 75004 Paris, France |
| Privacy contact | info@siudymadvisory.online |
| Telephone | +34 671 141 701 |
2. Personal Data We Collect
2.1 IDENTITY AND CONTACT DATA
- Full name and professional email address
- Company name and billing address
- Telephone number (where provided)
2.2 ORDER AND TRANSACTION DATA
- Order reference, service purchased, and payment confirmation
- Brief or instructions provided at the time of ordering
- Email correspondence relating to service delivery
2.3 FINANCIAL DATA
- Order value and payment status
We do not collect or store payment card numbers or bank account credentials. Payment processing is handled by our third-party payment provider.
2.4 TECHNICAL AND USAGE DATA
- IP address and approximate location
- Browser type, device type, and operating system
- Pages visited and session duration
3. Legal Bases for Processing
| Purpose | Legal basis (GDPR Art. 6) |
|---|---|
| Processing orders and delivering reports | Art. 6(1)(b) — contractual necessity |
| Issuing receipts and maintaining financial records | Art. 6(1)(c) — legal obligation |
| Complying with French accounting and tax law | Art. 6(1)(c) — legal obligation |
| Website security and fraud prevention | Art. 6(1)(f) — legitimate interests |
| Analytics cookies (where consented) | Art. 6(1)(a) — consent |
4. Data Retention
| Order and correspondence records | Duration of project plus 36 months |
|---|---|
| Financial and transaction records | 10 years in accordance with French accounting law |
| Pre-sales enquiry data | 12 months from last contact |
| Analytics data | Anonymised within 13 months of collection |
| Security and access logs | Up to 12 months |
5. Sharing of Personal Data
Personal data is shared only with the following limited categories of recipients:
- Hosting provider — Hostinger International Ltd., Cyprus, acting as data processor under Article 28 GDPR
- Payment processor — processes payment transactions securely; does not share payment data with Siudym Advisory beyond order confirmation
- Legal and regulatory authorities — where required by applicable French or EU law
Personal data is never sold, rented, or transferred to third parties for marketing or commercial purposes.
6. International Transfers
Where personal data is transferred outside the EU/EEA, we ensure appropriate safeguards are in place, including Standard Contractual Clauses (SCCs) approved under Article 46(2)(c) GDPR.
7. Your Rights
| Right of access (Art. 15) | Obtain a copy of your personal data held by us |
|---|---|
| Right to rectification (Art. 16) | Correct inaccurate or incomplete data |
| Right to erasure (Art. 17) | Request deletion of your data where no lawful basis for retention exists |
| Right to restriction (Art. 18) | Limit how we use your data in certain circumstances |
| Right to portability (Art. 20) | Receive your data in a machine-readable format |
| Right to object (Art. 21) | Object to processing based on legitimate interests |
| Withdraw consent (Art. 7(3)) | Withdraw consent at any time where processing is consent-based |
To exercise any of these rights, contact info@siudymadvisory.online. All requests are acknowledged within 1 business day and resolved within 30 calendar days (Art. 12 GDPR).
8. Complaints
If you are not satisfied with how we handle your personal data, you have the right to lodge a complaint with the French supervisory authority:
Commission Nationale de l’Informatique et des Libertés (CNIL)
3 Place de Fontenoy — TSA 80715 — 75334 Paris Cedex 07
www.cnil.fr
9. Updates
This Privacy Policy is reviewed periodically. The current version is always published at https://siudymadvisory.online/privacy-policy/.
© 2026 Sylwester Jan Siudym — Entrepreneur Individuel. All rights reserved.
Siudym Advisory · 12 Rue Vieille du Temple, 75004 Paris, France · info@siudymadvisory.online