Terms of Service

Last updated: April 2026

1. Acceptance of Terms

By accessing or using Citadel ("the Service"), provided by Eveleone LTD ("we", "us", or "our"), you agree to be bound by these Terms of Service ("Terms"). If you do not agree to these Terms, please do not use the Service.

2. Description of Service

Citadel is a self-hosted, all-in-one business workspace solution deployed on dedicated servers for B2B clients. The Service includes:

Cloud file storage and synchronization
Document collaboration and live editing
AI-powered assistant for business intelligence
PDF processing and manipulation tools
Electronic signature capabilities
Password management for teams
Knowledge base and wiki functionality
Accounting document processing
Single sign-on (SSO) authentication
Automated backup and retention

3. User Accounts and Responsibilities

You are responsible for:

Maintaining the confidentiality of your account credentials
All activities that occur under your account
Complying with these Terms and all applicable laws
Ensuring your users have appropriate access permissions
Backing up your data (we provide automated backups, but you maintain ultimate responsibility)

You must not:

Share account credentials outside your organization
Use the Service for illegal purposes
Attempt to circumvent security measures
Upload malicious content or software

4. Acceptable Use Policy

You agree to use the Service only for lawful business purposes. Prohibited activities include:

Storing or distributing illegal content
Violating intellectual property rights of others
Spam, harassment, or abusive behavior
Attempting to gain unauthorized access to other systems
Interfering with Service operation or security

We reserve the right to suspend or terminate accounts violating this policy.

5. Subscription and Payment

Citadel is offered as a subscription service with the following plans:

Starter: €99/month for up to 5 users, 50 GB storage
Business: €179/month for up to 15 users, 100 GB storage
Enterprise: €299/month for up to 25 users, 250 GB storage

All plans include all 10 modules, SSL certificates, firewall configuration, and email support during business hours (CET). Phone support is available for Business and Enterprise plans.

Payment is due monthly or annually, with 2 free months for annual plans. We accept payment via credit card, debit card, or bank transfer through our payment processor, Stripe.

Prices are exclusive of VAT. EU customers will be charged VAT at the applicable rate unless a valid VAT number is provided.

6. Service Availability and SLA

We strive to maintain 99.5% uptime for the Service, excluding scheduled maintenance windows which will be announced at least 48 hours in advance.

In the event of a service outage, we will:

Provide status updates at status.citadel.eu
Work to restore service as quickly as possible
Provide service credits for prolonged outages exceeding 4 hours in a calendar month

The SLA does not apply to outages caused by:

Client network issues
Third-party services beyond our control
Force majeure events
Client misuse or configuration errors

7. Intellectual Property

Your Data: You retain full ownership of all data uploaded to Citadel, including documents, files, and content created by your users. We do not claim any ownership or license to your data.

Platform IP: Citadel software, design, trademarks, and intellectual property remain owned by Eveleone LTD. You are granted a limited, non-exclusive, non-transferable license to use the Service during your subscription period.

You may not:

Copy, modify, or distribute the Citadel software
Reverse engineer or attempt to extract source code
Remove or obscure proprietary notices

8. Data Privacy and Security

We are committed to protecting your privacy. Your data is stored on your dedicated server in Germany (Hetzner Falkenstein/Nuremberg), and never leaves your control except as necessary for Service operation.

We implement industry-standard security measures including:

AES-256 encryption at rest
TLS 1.3 encryption in transit
Automated daily backups with 30-180 day retention
Two-factor authentication (2FA)
Full audit logging

We do not access your data except:

With your explicit consent for support purposes
As required by law
To protect our rights or prevent fraud

For complete details, see our Privacy Policy.

9. Limitation of Liability

To the fullest extent permitted by law, Eveleone LTD shall not be liable for:

Indirect, incidental, special, or consequential damages
Loss of data, revenue, profits, or business opportunities
Damages exceeding the amount you paid in the 12 months preceding the claim

This limitation applies to actions based on contract, tort, or any other legal theory, even if we have been advised of the possibility of such damages.

10. Termination

By You: You may terminate your subscription at any time with 30 days written notice. Upon termination, we will:

Stop all recurring charges
Provide a full export of your data within 14 days
Delete your server and all data 30 days after export delivery

By Us: We may terminate or suspend your account immediately for:

Breach of these Terms
Non-payment
Violations of applicable law
Abuse of the Service

Upon termination by us, we will provide a data export within 14 days.

11. Governing Law and Dispute Resolution

These Terms are governed by the laws of the Republic of Cyprus and the European Union. Any disputes arising under these Terms shall be resolved in the courts of Nicosia, Cyprus.

Before initiating legal proceedings, parties agree to attempt good faith resolution through negotiation.

12. General Provisions

We may update these Terms at any time. Material changes will be announced via email and in the Citadel dashboard at least 30 days before taking effect.

Our failure to enforce any right or provision of these Terms does not constitute a waiver of such right.

If any provision of these Terms is found invalid, the remaining provisions remain in full force.

You may not assign these Terms without our written consent.

13. Contact

For questions about these Terms, please contact:

Email: legal@citadel.eu
Company: Eveleone LTD
Address: Address available on request (contact legal@citadel.eu)

14. Entire Agreement

These Terms, together with our Privacy Policy and any applicable Service Order Form, constitute the entire agreement between you and Eveleone LTD regarding the Service.