1. Who we are and scope of this Policy

Your privacy matters to us. As data controller, Quanthome SA (“Quanthome”, “we”, “us”) is committed to processing the personal data you share with us transparently and in accordance with applicable law.

Quanthome SA is a public limited company registered in the Commercial Register of the Canton of Vaud, with its registered office at:

Quanthome SA, Avenue de Mon-Repos 24, 1005 Lausanne, Switzerland

Phone: +41 (0)21 312 16 93

Email: contact@quanthome.com

This Privacy Policy (the “Policy”) explains how we collect, use, store and share your personal data when you:

• visit our website www.quanthome.com (the “Site”);

• use the Quanthome Platform (building-level data and analytics, portfolio modules, dashboards, etc.);

• use Quanthome AI (our conversational interface and related AI tools);

• access our API or other developer tools; or

• interact with us in any other way (for example, by email, demo calls, events, or support).

Together, we call these services the “Services”.

By accessing or using the Services, you acknowledge that your personal data will be processed in accordance with this Policy. If you do not agree, please refrain from using the Services.

For questions about this Policy or your rights, you can contact us using the details above.

2. What is Personal Data?

“Personal data” or “Data” means any information relating to an identified or identifiable person. That can include:

• information that directly identifies you (e.g. name, email address, phone number), or

• information that indirectly identifies you when combined with other data (e.g. IP address, account IDs, usage logs).

3. What Data we collect

We collect several types of Data in connection with the Services.

3.1 Data you provide directly

When you create an account, sign a contract, request a demo, use Quanthome AI, or otherwise communicate with us, we may collect:

• Identification and contact details

  • First name and last name

  • Company / employer name and role

  • Business email address

  • Business phone number

  • Postal address (e.g. for invoicing)

• Account and subscription information

  • Login credentials (email, hashed password)

  • User role, permissions and team membership

  • Subscription plan, billing contact, and contract information

• Content and communications

  • Messages and attachments you send us by email or through support channels

  • Information you provide during demos, surveys, events, or feedback sessions

• Payment and billing information

  • Billing contact, company billing details, VAT number

  • Payment information transmitted via our payment provider (we do not store full card numbers).

Providing some of this information may be mandatory to create an account or enter into a contract with us. If you do not provide it, we may be unable to provide some or all Services.

3.2 Data processed when you use Quanthome AI and our analytics tools

When you use Quanthome AI, the Platform or related tools, we process:

• Inputs

  • Prompts and questions you type in the interface

  • Configuration choices (e.g. models, filters, query parameters)

• Outputs

  • Model-generated responses

  • Generated reports, charts and exports

  • System messages and error logs

• Usage data

  • Date and time of interactions

  • Features used, buttons clicked, usage volumes (e.g. number of queries, Qredits consumed)

  • Associated account / organisation ID

This data can contain personal data about you, your colleagues, or your own customers or business partners depending on what you choose to input. Please only submit personal data that is necessary for your use of the Services.

3.3 Technical and device information

When you access the Site or Services, we automatically collect

• IP address

• Device identifiers, browser type and version, operating system

• Referrer URL

• Log data (timestamps, error logs, performance data, security events)

3.4 Cookies

By using a Quanthome Site, you are consenting to our use of cookies and other tracking technology in accordance with this policy. If you do not agree to our use of cookies and other tracking technology in this way, you should set your browser settings accordingly or not use the Quanthome Site. If you disable cookies that we use, this may impact your user experience while on the Quanthome Site.

Cookies are small text files that are placed on your computer by websites that you visit. They are widely used in order to make websites work, or work more efficiently, as well as to provide information to the owners of the site.

The following types of cookies are used on Quanthome Website:

• Essential Cookies: Necessary for our website's operation.

• Functional Cookies: Improve our Site's functioning, like remembering previously viewed content or registration details. These cookies enable personalized content and save you time by not needing to register again during future visits. We also use cookies for analytics and advertising.

• Statistical Cookies: These help us understand how visitors interact with our Site, providing information on visited pages, time spent, and any issues, such as error messages. This aids in improving our Site's performance.

• Third-party Cookies: Set by third parties we use for various services (e.g., Site analysis or advertising). QUANTHOME uses Google Analytics cookies, which provide information on user activities without identifying them. Google Analytics cookies don't collect Data about Site visitors.

4. Why we process your Data (purposes and legal bases)

We process your Data for the following purposes and legal bases under Swiss law and, where applicable, the GDPR:

1. Providing and operating the Services

   • Creating and managing user accounts

   • Providing access to the Platform, Quanthome AI and our APIs

   • Delivering insights, analytics and reports

   • Processing payments and managing subscriptions

2. Security, abuse prevention and compliance

   • Detecting and preventing fraud, misuse and security incidents

   • Protecting the integrity and availability of our infrastructure

   • Enforcing our Terms of Service and EULA

   • Responding to lawful requests from authorities

3. Communicating with you

   • Responding to your questions and support requests

   • Sending service and transactional messages (e.g. security alerts, billing notifications)

   • Sending marketing communications where allowed (and giving you an easy way to opt out)

4. Analytics and statistics

   • Measuring performance and usage of our Services

   • Producing aggregated, anonymised statistics about the real-estate market for business intelligence and research

Where we rely on your consent (for example for certain marketing communications), you may withdraw it at any time by following the instructions we provide (unsubscribe link, or by contacting us).

5. How we use Data in relation to Generative AI

Our default principle is:

We do not train Generative AI models on your data (including prompts, outputs and datasets you connect) for the benefit of other customers.

We may, however, use aggregated and anonymised usage statistics (e.g. how often a feature is used, generic error patterns) to improve the Services.

To keep the Services safe and comply with our legal and ethical obligations, we may automatically and, in some cases, manually review content:

• to detect abuse (e.g. attempts to misuse the system, security threats, spam);

• to prevent violations of our terms or applicable law;

• to protect Quanthome, our customers and third parties.

6. Who we share your Data with

We do not sell your personal data.

We may share your Data with:

1. Service providers (processors)

   • Email delivery and communication tools

   • Analytics and monitoring tools

   • Payment processors

   • Authentication and user management services

   • AI infrastructure providers or model hosts

These providers process Data only on our instructions and under appropriate data-protection agreements.

2. Your organisation and authorised users

   • If you use the Services through your employer or organisation, certain Data (e.g. your name, role, activity logs, content created) may be visible to admins or other users within that organisation, according to the configuration they choose.

3. Professional advisers

   • Lawyers, auditors, insurers or other advisers where necessary to protect our rights or comply with our obligations.

4. Authorities and legal requests

   • Where required by law or in response to lawful requests from courts or authorities, or to protect our rights or the rights of third parties.

5. Business transfers

   • In connection with a merger, acquisition, financing or sale of all or part of our business, personal data may be transferred as part of the transaction. Where reasonably possible, we will inform you in advance.

7. Where your Data is stored

Our core infrastructure is hosted in Switzerland. 

However, some service providers or AI infrastructure may be located in other countries (including countries outside the EEA and Switzerland). In such cases we take steps to ensure an adequate level of protection, for example:

• using standard contractual clauses or equivalent approved mechanisms; and

• assessing the level of protection and implementing additional safeguards where appropriate.

8. How long we keep your Data

We retain personal data only for as long as necessary to fulfil the purposes described in this Policy, including:

• Account and contract data – for the duration of the contract and for the limitation period required by law; 

• Usage and log data – for shorter periods necessary for security, troubleshooting and analytics, usually from a few months up to 3 years, unless a longer period is required or permitted by law;

• AI prompts and outputs – for providing the Services (such as conversations history)

9. Your rights

Under Swiss law and, where applicable, the GDPR, you have the following rights in relation to your personal data:

• Right of access – to obtain confirmation whether we process Data about you and receive a copy;

• Right to rectification – to correct inaccurate or incomplete Data;

• Right to erasure (“right to be forgotten”) – to request deletion of your Data, subject to legal retention obligations;

• Right to restriction of processing – in certain cases;

• Right to object – to certain processing based on our legitimate interests, on grounds relating to your particular situation;

• Right to withdraw consent – where processing is based on your consent; withdrawal does not affect prior processing;

To exercise your rights, please contact us at contact@quanthome.com. We may need to verify your identity before responding.

10. Children’s privacy

Our Services are intended for professional use and are not directed at children under the age of 16. We do not knowingly collect personal data from children. If you believe a child has provided us with personal data, please contact us so we can delete it.

11. How we protect your Data

We implement appropriate technical and organisational measures to protect your Data against unauthorised access, loss, misuse or alteration, including:

• encryption in transit and at rest where appropriate;

• access controls and authentication;

• regular backups;

• monitoring and logging of security-relevant events;

• internal policies and staff training.

You are responsible for keeping your login credentials confidential and for notifying us promptly of any suspected unauthorised use of your account.

12. Changes to this Policy

We may update this Policy from time to time to reflect changes in our Services, our practices, or legal requirements. The “last updated” date at the top of the Policy indicates when it was last revised.

We will notify you of material changes (for example by email or through the Services) and, where required by law, seek your consent.

Your continued use of the Services after an update means you accept the revised Policy.

13. Contact

For any questions, requests or concerns about this Policy or our use of your personal data, you can contact us at:

Quanthome SA

Avenue de Mon-Repos 24

1005 Lausanne, Switzerland

Email: contact@quanthome.com

Phone: +41 (0)21 312 16 93