Please view the latest version of our privacy policy here: https://stacks.ai/privacy-policy
Last Update: 2 September 2026
0. EXECUTIVE SUMMARY
0.1 Why, what, where, when, who and how (long)
- Why: Your personal data is needed to create an account so you (or the company or enterprise you represent) can use our services. We also use your personal data for account management (including customer service and invoicing). We do not ask for additional personal data beyond what is necessary for account creation and service provision.
- What (personal data): We collect and process limited personal data, including the full name, email address, and mobile phone number of the person signing up on behalf of their company or enterprise.
- What else - cookies: We may use cookies to recognize visitors, remember preferences, and deliver a better user experience. See our cookie statement for more information.
- What else – rights: You have all rights granted by applicable law, such as the right to know what information we hold, the right to be forgotten, and the right to amend or delete your personal information.
- What else – security: We have implemented a range of procedures and controls to prevent unauthorized access to, and misuse of, your personal data, including encryption, access control, and network security.
- Where: We collect and process information through our website and app, where you can manage your personal information and cookie settings.
- When: Upon registration (or at any time thereafter), we may ask you to provide, update, or complete relevant required information in your account.
- Who: Stacks is responsible for the data it collects, acting as the data controller (see paragraph 1.1 below for more information).
- How (long): We retain personal data as long as necessary to manage our business relationship with you, provide services, and comply with applicable laws.
1. INTRODUCTION AND DEFINITIONS
1.1 About us
1.1.1 We are Stacks Technologies B.V., a company incorporated in the Netherlands with a registered office at Nieuwezijds Voorburgwal 162, 1012 SJ Amsterdam ("Stacks", 'we', 'us', 'our').
1.1.2 We collect personal data via our platform (website and app) and cookies (see our cookie statement for more information).
1.1.3 Personal data is collected solely for sign-up and registration purposes, account management, customer service, invoicing, and fee collection.
1.2 Privacy statement