Privacy Policy
Last Updated: June 2026
Mancz Ltd ("we", "our", or "us") is committed to protecting and respecting your privacy. This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you visit our website (manczltd.com) and use our technical web application (app.manczltd.com), including our U-value calculator and thermal condensation risk analysis tools.
Please read this policy carefully. By accessing or using our services, you consent to the processing of your data as described below.
1. Information We Collect
We collect information that allows us to provide a secure, operational, and compliant calculation platform.
A. Personal Data You Provide
- Account Information: Name, email address, password, and company name during registration.
- Billing & Payment Data: Payment details are processed directly by Stripe. We do not store raw financial card data on our servers.
- Customer Support: Information provided when contacting us for technical help.
B. Technical and Usage Data
- Log Files & Analytics: IP address, browser type, operating system, and tool interaction data.
- Calculation Inputs: Structural data, material choices, and boundary conditions input into our calculators.
2. How We Use Your Information
We process your data under the following legal bases under UK GDPR:
- To Perform a Contract: Setting up accounts, validating subscriptions, and running calculation engines.
- For Legitimate Business Interests: Improving performance, monitoring security, and responding to support.
- To Comply with Legal Obligations: Maintaining financial records for UK tax and corporation purposes.
3. Data Sharing and Third-Party Services
We do not sell your personal information. We only share data with trusted infrastructure providers:
- Hosting: Vercel (Frontend) and Railway (Application Engine).
- Payment Processing: Stripe. They operate as an independent data controller for billing data.
- Analytics: Minimal privacy-focused telemetry for performance monitoring.
4. International Data Transfers
Our providers may store data outside the UK. We ensure all partners adhere to strict transfer mechanisms approved under UK data laws (e.g., standard contractual clauses) to ensure data remains encrypted and protected.
5. Data Retention
- Account & Calculation Data: Retained for as long as your account remains active.
- Financial Records: Maintained for a minimum of 6 years to satisfy UK HMRC corporate accounting regulations.
6. Your Rights Under UK GDPR
As a UK or EU resident, you possess the right to:
7. Security
We implement industry-standard cryptographic protocols. All traffic is strictly encrypted using SSL/TLS transmission protocols. While we employ robust measures, no transmission over the internet can be guaranteed 100% secure.
8. Contact Us
If you have any questions regarding this Privacy Policy, please reach out to us:
Mancz Ltd Email: hello@manczltd.com
Registered Office: [Insert Your UK Registered Office Address]