Legal Notice
Last updated: January 2026
1. Publisher of the website and application
The website accessible at https://seido-app.com, together with the mobile application and the platform that complements it (hereinafter the “Platform“), is published by:
UMUMENTUM SRL, a limited liability company (société à responsabilité limitée) under Belgian law
- Registered office: Rue de Grand-Bigard 14, 1082 Berchem-Sainte-Agathe, Belgium
- Company number (BCE/KBO): 0775.691.974
- VAT number: BE0775691974
- Register of Legal Entities (RPM/RPR): Brussels
- Trade name / brand: Seido
2. Legal representative and publication director
- Manager / legal representative: Arthur Umugisha
- Publication director: Arthur Umugisha
3. Contact
- General support: support@seido-app.com
- Data protection (GDPR): rgpd@seido-app.com
- Phone: +32 474 02 88 38
- Postal address: UMUMENTUM SRL, Rue de Grand-Bigard 14, 1082 Berchem-Sainte-Agathe, Belgium
- Support hours: business days, from 9:00 to 18:00
Data protection point of contact: rgpd@seido-app.com.
4. Hosting
The Platform is hosted by the following technical providers:
- Application hosting (front-end / functions): Vercel Inc., 340 S Lemon Ave #4133, Walnut, CA 91789, United States.
- Database, authentication and file storage: Supabase, Inc., 2261 Market Street #4280, San Francisco, CA 94114, United States; data hosted within the European Union (region eu-central-1, Frankfurt).
- Content delivery network, security (CDN / firewall) and encrypted backups: Cloudflare, Inc., 101 Townsend Street, San Francisco, CA 94107, United States (backups via Cloudflare R2).
5. Intellectual property
The trade name Seido is the exclusive property of UMUMENTUM SRL. The same applies to all Seido logos, their use, as well as any visual content (copy or screenshot) of the Platform.
All the constituent elements of the Platform, whether or not accessible to the user, are the exclusive property of Seido: the Platform itself, the databases, the website pages (content, text, images, graphics, icons, videos), the management tools, as well as any other tool or information made available.
Any reproduction, representation, modification, publication, adaptation or exploitation of all or part of these elements, by any means whatsoever, without the express, written and prior authorisation of UMUMENTUM SRL, is prohibited and would constitute an infringement sanctioned by the applicable legislation.
The detailed terms of the licence to use are set out in the Terms of Use.
6. Personal data and cookies
The processing of personal data is described in the Privacy Policy. The use of cookies is described in the Cookie Policy.
For any request relating to your personal data: rgpd@seido-app.com.
7. Liability
UMUMENTUM SRL makes every effort to ensure the accuracy and updating of the information published on the Platform, without however being able to guarantee its completeness or the absence of errors. The conditions and limits of liability applicable to the use of the service are set out in the Terms of Use.
8. Applicable law and jurisdiction
These legal notices are governed by Belgian law. Any dispute relating to their interpretation or performance falls within the exclusive jurisdiction of the courts of the judicial district of Brussels (Belgium), without prejudice to the protective rules applicable to consumers.
9. Consumer dispute resolution
In accordance with the regulations, consumers may use an out-of-court dispute resolution mechanism:
- Consumer Mediation Service (Belgium): Boulevard du Roi Albert II 8, box 1, 1000 Brussels (https://mediationconsommateur.be)
(The European Online Dispute Resolution platform (ODR) is deliberately not mentioned: Regulation (EU) 2024/3228 repealed the ODR Regulation and the platform was decommissioned on 20 July 2025.)
10. Accessibility
In accordance with Seido’s commitment to digital accessibility, the Platform aims to meet the WCAG 2.1 level AA criteria. For any access difficulty, contact support@seido-app.com.
UMUMENTUM SRL – Seido
Rue de Grand-Bigard 14, 1082 Berchem-Sainte-Agathe, Belgium
BCE/KBO: 0775.691.974 | VAT: BE0775691974
