Legal

Privacy Policy

How QuantumStack collects, uses and protects your data when you build, sell and grow your business with our platform.

Last updated: October 2026

Overview

This Privacy Policy explains how QuantumStack collects, uses and protects your information when you use our website, platform and services.

By using QuantumStack, you agree to the collection and use of information as described in this policy.

Information we collect

Account information: your name, email address and password when you create an account.

Business information: the content, pages, products and customer details you create and store through your account.

Payment information: when you take payments or pay for a plan, payment processing is handled by Stripe, PayPal, Square and GoCardless. QuantumStack does not store your full card details.

Usage data: pages you visit, features you use, and how you interact with the platform.

Communications: messages, emails and chats you send through the platform or to our support team.

How we use your information

To provide, operate and maintain the platform and your websites and apps.

To process payments and manage your subscription.

To respond to your questions, feedback and support requests.

To improve the platform, fix issues and build new features.

To send you important account and service notifications.

Payments and third parties

Payment processing is handled by Stripe, PayPal, Square and GoCardless. These providers process your transactions under their own terms and privacy policies.

We do not collect or store your full card number. Sensitive card data is handled directly by the payment provider.

Cookies

We use cookies and similar technologies to keep you signed in, remember your preferences and understand how you use the platform.

You can control cookies through your browser settings. Disabling some cookies may affect how the platform works.

Data retention

We keep your information for as long as your account is active or as needed to provide the service.

When you close your account, we retain certain information as required by law or to resolve disputes, then delete or anonymise it.

Your rights

You can access, update or export your data from within your account at any time.

You can request deletion of your account and personal information, subject to legal obligations.

You can contact us to ask questions about your data or this policy.

Security

We take reasonable measures to protect your information using encryption, access controls and regular reviews.

No method of transmission over the internet is fully secure, so we cannot guarantee absolute security.

Changes to this policy

We may update this Privacy Policy from time to time. We will notify you of material changes by posting the updated policy or contacting you directly.

The date at the bottom of this page shows when it was last updated.

Contact us

If you have questions about this Privacy Policy or your data, email hello@quantumstack.pro.

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