MasterX - Mandatory legal information
Last updated: July 12, 2026
Company name: MasterX
Legal form: Société par Actions Simplifiée Unipersonnelle (SASU) — French simplified single-shareholder joint-stock company
Sole shareholder and President: Mr. Pierre Lallemand
Share capital: €500
Registered office: 122 rue Amelot, 75011 Paris, France
Trade register (RCS): Paris 999 650 872
SIREN: 999 650 872
SIRET (head office): 999 650 872 00016
NAF/APE code: 6201Z (Computer programming)
Intra-EU VAT number: FR39999650872
Nature: ECU Tuning Software Development and Services
Email: masterxresolve@gmail.com
WhatsApp: +262692114317
Website: www.masterxresolve.com
Hosting provider: Netlify, Inc.
Address: 2325 3rd Street, Suite 296, San Francisco, California 94107, USA
Website: www.netlify.com
Hosting provider: Supabase, Inc.
Website: supabase.com
Our hosting providers may process data outside the European Union. These transfers are governed by the European Commission's Standard Contractual Clauses and each provider's published GDPR compliance commitments.
This website and all its content (texts, images, videos, logos, software) are protected by intellectual property rights.
The MasterX brand, logo and all distinctive signs are registered trademarks.
Any reproduction, representation, modification, publication, adaptation of all or part of the elements of the site, regardless of the means or process used, is prohibited without prior written authorization.
This website presents:
We strive to provide accurate and up-to-date information. However, we cannot guarantee the completeness, accuracy or timeliness of the information published.
We make every effort to ensure continuous access to the website, but we cannot guarantee uninterrupted availability due to:
Our website may contain links to third-party websites. We are not responsible for the content, privacy policies or practices of these external sites.
The use of this website is at your own risk. We disclaim all liability for:
The collection and processing of personal data is governed by our Privacy Policy.
We are committed to protecting your privacy and complying with applicable data protection regulations, including GDPR.
This website uses essential cookies to run properly (session, language, preferences). MasterX does not currently set any analytics or advertising cookies without your consent.
A banner lets you accept, reject, or customize non-essential cookies on your first visit. You can reopen this panel at any time from our Privacy Policy, which also details each cookie category, its purpose and retention period.
These legal notices are governed by French law.
Any dispute relating to the use of this website will be subject to the exclusive jurisdiction of French courts.
Important notice: MasterX software is intended for professional use only by qualified automotive technicians.
Users must:
These legal notices may be updated at any time to reflect:
We recommend checking this page regularly for updates.
For any questions regarding these legal notices: