Terms of Service

Last updated: 13 August 2026

These terms govern your use of the website at zahlenwerk.studio (the "Website") and of our application, Wealth Management by Zahlenwerk, at app.zahlenwerk.studio (the "Application"), both operated by Zahlenwerk Studio GbR, Seelingstraße 5, 14059 Berlin, Germany ("Zahlenwerk", "we", "us"). By accessing the Website, or by creating an account in the Application, you agree to these terms. Client projects and studio engagements are governed by separate individual agreements and are not covered by these terms.

1. The Website

The Website presents information about Zahlenwerk Studio and our work. We may add, change, or remove content and features at any time, and we do not guarantee that the Website will always be available or error-free.

2. The Application and closed beta

The Application is finance software for family offices and investment managers. It is currently offered as a closed beta to a limited number of firms. Access is granted at our discretion and may be withdrawn. Beta software changes frequently, may contain defects, and is provided without any availability or uptime commitment. Do not rely on it as your only record of any figure that matters to you.

You must be at least 18 and using the Application in a professional or business capacity. You are responsible for the accuracy of what you enter, for keeping your sign-in method secure, and for the actions of the people you invite to your team.

3. Your content and your data

You keep all rights in the documents and records you upload or create. We claim no ownership of them. You grant us only the limited rights needed to host, process, extract, display and back up your content in order to provide the Application to you, including sending it to the processors listed in our privacy policy.

Where your content contains personal data about other people, you act as controller and we act as your processor. We will conclude a data processing agreement under Art. 28 GDPR with you on request.

4. Not financial, legal, accounting or tax advice

The Application is a record-keeping and reporting tool. It is not investment advice, financial portfolio management, or any other regulated financial service, and we are not a licensed investment firm, adviser, auditor or tax adviser. Figures it produces, including IRR, TVPI, DPI, valuations and bookkeeping output, are calculated from the data you and your documents supply and may be incomplete or wrong.

You remain responsible for verifying any figure before you rely on it, report it, or file it. Nothing in the Application replaces advice from your own accountant, auditor, tax adviser or lawyer.

5. AI features and their output

The Application uses AI models to read documents you upload, to answer questions in the assistant, and to draft the narrative of generated reports. Its output is a suggestion, not a decision and not advice. You remain responsible for reviewing anything it produces before you rely on it or pass it to a third party, and section 4 applies to that output in full.

The Application is designed so that this review is possible: extractions below our confidence threshold are held for a person to approve, and any change the assistant proposes to your records waits for your confirmation. Reports whose narrative a model drafted are marked as artificially generated, in the document metadata and in the printed small print, in accordance with Art. 50 of Regulation (EU) 2024/1689. You agree not to remove or alter that marking on any copy you pass on.

If you supply your own model provider key, that provider becomes your processor and your choice. Calls made on your key leave our EU-pinned processing, are billed to you by that provider, and are governed by your agreement with them. We give no warranty as to their availability, output, or handling of your data, and your team acts as deployer of that provider within the meaning of Regulation (EU) 2024/1689.

6. Acceptable use of the Application

• Do not upload content you have no right to upload, or that infringes someone else's rights.
• Do not attempt to access another tenant's data, probe or circumvent our access controls, or test the security of the service without our written permission.
• Do not use the Application to build a competing product, or to resell access to third parties.
• Do not interfere with the operation of the service, including through automated load that is not part of normal use.
• Connected AI assistants act under your account. You remain responsible for what you authorise them to do.

7. Fees, plans and billing

Access during the closed beta may be free or discounted. Where a paid plan applies, fees, billing period and included limits are those agreed with us in writing. We invoice outside the application; payment is by bank transfer against that invoice, and no card or payment details are collected in the product. Unless stated otherwise, fees are exclusive of VAT, which is added where applicable.

8. Suspension, termination and export

You may stop using the Application at any time and can delete your account from your settings. We may suspend or terminate access if these terms are breached, if the beta ends, or if we discontinue the service. Where we end your access other than for a breach, we will give you reasonable notice and a reasonable opportunity to export your data. Ask us and we will help you get your records out.

9. Acceptable use of the Website

When using the Website you agree not to:

• use the Website for any unlawful purpose or in breach of these terms;
• attempt to gain unauthorised access to, interfere with, or compromise the security of the Website or its infrastructure;
• reverse-engineer, copy, or reproduce the Website except as permitted by mandatory law;
• use automated means (bots, scrapers) that place an unreasonable load on our systems.

10. Intellectual property

The Website, including its design, text, graphics, logos, icons, and code, is the property of Zahlenwerk Studio GbR or its licensors and is protected by German and international intellectual-property law. You are granted a limited, non-transferable right to view the Website for personal, non-commercial purposes. Any other use requires our prior written consent.

11. External links

The Website may link to third-party websites. We have no control over their content and accept no responsibility for it. Following external links is at your own risk.

12. Disclaimer

The Website and its content are provided "as is" and "as available". We make no warranties as to the accuracy, completeness, reliability, or continuous availability of the content. Nothing on the Website constitutes professional, legal, or financial advice.

13. Limitation of liability

We are liable without limitation for damages arising from intent or gross negligence, and for injury to life, body, or health. In cases of slight negligence, we are liable only for the breach of an essential contractual obligation (a "cardinal obligation"), and in such cases liability is limited to the foreseeable, typical damage. Any further liability is excluded. Mandatory statutory liability, including under the German Product Liability Act, remains unaffected.

14. Changes to these terms

We may update these terms from time to time. Material changes will be reflected on this page with a revised "last updated" date. Your continued use of the Website after changes take effect constitutes acceptance of the updated terms.

15. Governing law and jurisdiction

These terms are governed by the laws of the Federal Republic of Germany, excluding its conflict-of-law rules and the UN Convention on Contracts for the International Sale of Goods (CISG). Where permitted by law, the exclusive place of jurisdiction is Berlin, Germany.