Data Protection & Privacy Policy

Last updated: 23rd February 2026

1. Overview

1.1. Happio Limited (the "Company", "we", "us" or "our") respects your privacy and is committed to treating any information that we obtain about you with as much care as possible and in a manner that is compliant with all applicable data protection legislation including the EU General Data Protection Regulation 2016/679 ("GDPR") and any national implementing laws in relation to the same including the Data Protection Act 2018 (collectively, "Data Protection Legislation").

1.2. We have appointed Dr Michael Temchin as our Data Protection Officer (DPO). For any questions about this Privacy Policy, please contact us at hello@happio.io.

1.3. This policy applies to your use of:

1.4. This policy explains:

1.5. Terms defined in GDPR (e.g., "data subject", "personal data", "processing") have the same meaning in this policy.

1.6. We may update this policy from time to time. Please check the latest version at https://happio.io/privacy before using our Services.

2. The personal data we process

2.1. We collect personal data through various channels, including:

2.2. Personal data may include:

2.3. We do not process:

3. Purposes of processing

We use your data for purposes including:

4. Lawful basis for processing

4.1. Health Data: Usually processed on the basis of your explicit consent. In some cases, processing may be necessary for public health or preventative medicine.

4.2. Marketing: Processed on consent or legitimate interest, depending on communication type.

4.3. Other processing: May rely on contract performance, legal obligations, or legitimate interests.

4.4. You may withdraw consent at any time by contacting hello@happio.io, but this may limit Services functionality.

5. Consequences of not providing data

5.1. Without required personal data, we may be unable to provide the full Software or Services.

5.2. Withdrawal of consent for Health Data may limit access to AI-assisted therapy features.

6. AI and Automated Processing

6.1. Use of AI in Happio

We use AI technologies and automated systems to enhance Services, including:

6.2. Data used in AI processing

AI may process:

6.3. Data sharing and storage

AI processing may involve pseudonymised or anonymised data sent to AI service providers or internal analytics systems.

Personal identifiers are shared only with your nominated clinician; third-party AI providers cannot access identifiable data without consent.

AI outputs are for clinician assistance and Service improvement, not a substitute for medical advice.

6.4. Your control and rights

7. Cookies & Tracking Technologies

7.1. What are cookies?

Cookies are small files stored on your device that remember your preferences, device information, and activity. They help improve the functionality of our Software and AI features.

7.2. Types of cookies we use

7.3. Managing Cookies:

7.4. AI & Cookies Together:

8. Storage and retention

8.1. Data is stored only as long as necessary to provide Services. Some anonymised or aggregated data may be retained for analytics and service improvement.

8.2. Data is stored securely on AWS servers using encryption and firewalls. Passwords are hashed; personal data is protected with industry-standard safeguards.

8.3. We will notify you promptly if there is a data breach affecting your rights.

9. Sharing with third parties

9.1. We may share personal data with:

9.2. Personal data may also be shared when required by law, regulation, or legal proceedings.

10. Your rights

You may request:

11. Links to third parties

11.1. Third-party links in our Software are not endorsements. Their privacy practices are outside our control.

12. Questions and complaints

Contact hello@happio.io or write to:

Happio Ltd, Data Protection Enquiries, 83 Baker Street, London, England, W1U 6AG.