Legal
Privacy policy
Last updated 22 October 2026
This policy explains what personal data Fessburn collects, why we collect it, and how you can use your rights under the GDPR.
01Who's responsible for your data
The controller of your personal data is Fessburn, aleja Wyścigowa 14, 02-681 Warszawa, Poland, NIP 7812056448.
If you have a question about your data, email us at hello@fessburn.com or call +48 576 056 221.
02What we collect and why
When you contact us. If you send the contact form or email us, we receive your name, your email address, and anything you choose to tell us, like your company, your budget, and the details of your project. We use it to reply to you and, if you want to work with us, to prepare a proposal. The legal basis is taking steps at your request before entering into a contract (Article 6(1)(b) GDPR) and our legitimate interest in answering enquiries (Article 6(1)(f) GDPR).
When you become a client.We process the contact and billing details we need to deliver the project and to invoice you. The legal basis is the contract (Article 6(1)(b) GDPR) and our legal obligations under Polish tax and accounting law (Article 6(1)(c) GDPR). When our work involves personal data you’re responsible for, like data from your product’s users, we sign a separate data processing agreement with you.
When you visit the website. Our server records technical information, like your IP address, your browser, and the pages you asked for, so we can keep the site running and secure. The legal basis is our legitimate interest in protecting the site (Article 6(1)(f) GDPR).
Analytics, only if you agree. If you accept cookies, we use Google Analytics to understand how people find and use the site. Google Analytics sets cookies and collects information like the pages you visit, how long you stay, and the approximate location of your device. The legal basis is your consent (Article 6(1)(a) GDPR), and you can withdraw it at any time.
05How long we keep it
- Enquiries that don’t lead to a project: up to 24 months after our last message, then we delete them.
- Client contracts and invoices: for as long as Polish tax and accounting law requires, which is usually 5 years from the end of the tax year.
- Server logs: only as long as we need them to keep the site secure.
- Analytics data: for the retention period set in our Google Analytics account.
06Your rights
Under the GDPR, you can ask us to:
- Give you a copy of the personal data we hold about you
- Correct data that’s wrong or incomplete
- Delete your data, where we don’t have to keep it by law
- Restrict how we use it, or object to how we use it
- Send your data to you or to another company in a common format
- Withdraw your consent to analytics, without affecting what we did before you withdrew it
Email hello@fessburn.comand we’ll reply within one month. You can also complain to the Polish data protection authority, the President of the Personal Data Protection Office (UODO), ul. Stawki 2, 00-193 Warszawa.
07Our apps
If you use one of our apps, that app’s own privacy policy covers the data it handles. To delete an account in one of our apps, see how to delete your account.
08Children
The website and our services are meant for businesses. We don’t knowingly collect data from children under 16.
09Changes to this policy
If we change how we use personal data, we’ll update this page and the date at the top. If the change is significant, we’ll tell our clients by email.