Privacy Policy

"Your privacy matters to us." This policy explains how we collect, use, and protect your personal data in accordance with Swiss data protection laws.

Last updated: July 3rd, 2025

Introduction

Declaro ("we", "us", or "our") is committed to protecting your privacy and ensuring the security of your personal data. This Privacy Policy explains how we collect, use, store, and protect your personal information in accordance with Swiss data protection laws (DSG/DSGVO) and the General Data Protection Regulation (GDPR).

What Data We Collect

Personal Information

  • Name, email address, and contact information
  • Tax-related documents and financial information you upload
  • Account credentials and authentication data
  • Communication history and support requests

Technical Data

  • Device information (browser type, operating system)
  • IP address and location data
  • Usage analytics and website interaction data
  • Cookies and similar tracking technologies

How We Use Your Data

Service Provision

  • Process and prepare your tax declarations
  • Provide customer support and assistance
  • Maintain and improve our platform
  • Send important service notifications

Legal Compliance

  • Comply with Swiss tax regulations
  • Meet legal and regulatory requirements
  • Prevent fraud and ensure security
  • Respond to legal requests

Data Storage & Security

Swiss Data Sovereignty

All your data is stored and processed exclusively on secure Swiss servers, ensuring compliance with Swiss data protection laws and maintaining data sovereignty within Switzerland.

Security Measures

  • End-to-end encryption for data transmission
  • Advanced firewall and intrusion detection
  • Regular security audits and penetration testing
  • Access controls and authentication protocols

Data Retention

  • Tax documents retained for 10 years (legal requirement)
  • Account data retained while account is active
  • Automatic deletion after account closure
  • Right to request immediate deletion

Data Sharing & Third Parties

Our Commitment

We do not sell, rent, or share your personal data with third parties for marketing purposes. Your data remains confidential and is only shared when legally required or with your explicit consent.

Limited Sharing

  • Swiss tax authorities (when required by law)
  • Trusted service providers under strict contracts
  • Legal authorities (with proper legal basis)
  • With your explicit written consent

Your Rights

Under Swiss data protection law and GDPR, you have the following rights regarding your personal data:

1

Right to Information

Request details about your stored data, its origin, and usage

2

Right to Correction

Request correction of inaccurate or incomplete data

3

Right to Deletion

Request deletion of your data (subject to legal requirements)

4

Right to Portability

Receive your data in a structured, machine-readable format

Contact Information

For privacy-related inquiries, data subject requests, or questions about this Privacy Policy, please contact us:

Email: info@kellertreuhand.ch

Response Time: We will respond to your request within 30 days

Data Protection Officer: Available upon request