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Privacy Policy

Last updated: February 20, 2026

1. Introduction

Library 451 ("we," "us," or "our") is an AI engineering consultancy. This Privacy Policy explains how we collect, use, disclose, and safeguard your personal data when you visit our website ("library451.com") or engage our services.

We are committed to protecting your privacy in compliance with the General Data Protection Regulation (GDPR) and other applicable data protection laws.

2. Data Controller

The data controller responsible for your personal data is:

Library 451

Email: contact@library451.com

3. Data We Collect

3.1 Data you provide directly

  • Contact form: name, email address, selected service, and message content.
  • Email correspondence: any information you include when contacting us directly.
  • Contractual data: company name, billing address, VAT number, and payment information when engaging our services.

3.2 Data collected automatically

  • Server logs: IP address, browser type, operating system, referring URL, pages visited, and timestamps. These logs are retained for security and performance monitoring purposes only.

3.3 Cookies

Our website uses only strictly necessary technical cookies required for the website to function. We do not use analytics, advertising, or tracking cookies. No cookie consent banner is required as we only use exempt technical cookies under ePrivacy Directive Article 5(3).

4. Purpose and Legal Basis

We process your personal data for the following purposes:

Responding to inquiries

Legal basis: legitimate interest (Art. 6(1)(f) GDPR) — to respond to your contact form submissions and emails.

Service delivery

Legal basis: performance of a contract (Art. 6(1)(b) GDPR) — to deliver the AI engineering services you have engaged.

Security and fraud prevention

Legal basis: legitimate interest (Art. 6(1)(f) GDPR) — to protect our website and services from abuse.

Legal obligations

Legal basis: legal obligation (Art. 6(1)(c) GDPR) — to comply with applicable accounting, tax, and regulatory requirements.

5. Third-Party Processors

We use the following third-party services that may process your data on our behalf:

  • Vercel (United States) — website hosting and deployment.
  • Resend (United States) — transactional email delivery for contact form submissions.

Where data is transferred outside the European Economic Area, we ensure appropriate safeguards are in place, including Standard Contractual Clauses (SCCs) approved by the European Commission.

6. Data Retention

  • Contact inquiries: retained for 12 months from the date of submission, unless a contractual relationship is established.
  • Contractual data: retained for the duration of the contract plus the period required by applicable commercial and tax law.
  • Server logs: retained for a maximum of 12 months.

7. Your Rights

Under the GDPR, you have the following rights:

  • Right of access — obtain confirmation of whether your data is being processed and request a copy.
  • Right to rectification — request correction of inaccurate or incomplete data.
  • Right to erasure — request deletion of your data where there is no compelling reason to continue processing.
  • Right to restriction — request restriction of processing in certain circumstances.
  • Right to data portability — receive your data in a structured, machine-readable format.
  • Right to object — object to processing based on legitimate interest.

To exercise any of these rights, contact us at contact@library451.com. We will respond within 30 days.

You also have the right to lodge a complaint with the relevant data protection supervisory authority in your jurisdiction.

8. Data Security

We implement appropriate technical and organizational measures to protect your personal data against unauthorized access, alteration, disclosure, or destruction. These measures include encrypted data transmission (TLS/HTTPS), access controls, and regular security reviews.

9. Changes to This Policy

We may update this Privacy Policy from time to time. Any changes will be posted on this page with an updated revision date. We encourage you to review this policy periodically.

10. Contact

For any questions regarding this Privacy Policy or our data processing practices, contact us at: