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Privacy policy
When you send an enquiry, you entrust us with contact details and information about your site. Here we explain how we use them and your rights.
Updated 18 October 2026 · For greon.cz
Analytics only with your consent
Google Analytics and Microsoft Clarity run only after you consent to the relevant tool. You can decline analytics and the form will work normally. Sending an enquiry does not subscribe you to a newsletter.
1. Who controls your data
The personal data controller is Greon group s.r.o., company registration number: 10670572, VAT number: CZ10670572, registered at Masarykovo náměstí 22/13, 250 01 Brandýs nad Labem-Stará Boleslav.
For personal data matters, email info@greon.cz or write to our registered address. You can also call +420 732 611 806.
This information covers visits to greon.cz, enquiries, subsequent communication and working with us. We comply with Regulation (EU) 2016/679 (GDPR) and related Czech legislation.
2. Enquiries, communication and photographs
Our form requires your full name, telephone number, project town or village and a description of the work. Email and photographs are optional. We obtain further information from email or telephone communication and when agreeing a project.
You provide information voluntarily. Required fields are needed to handle your enquiry; if you prefer not to complete them, you can telephone or email us.
The greon.cz form sends your enquiry and attachments through the hosting provider's mail service to our inbox at info@greon.cz. No public profile or public enquiry database is created. The delivered message and photographs are kept in our email inbox to handle the enquiry and any resulting project.
We use photographs to assess the site and prepare a quotation. Sending photographs does not itself consent to publication. Send images needed for the project; avoid faces, identity documents or other private details unless necessary.
3. Why we need your data
- Handling your enquiry and preparing a quotation
- We process contact details, site descriptions and photographs to take pre-contractual steps at your request (GDPR Article 6(1)(b)). For company contacts, our legitimate interest in business communication also applies (point (f)).
- Delivering the project
- Data needed to agree, carry out and hand over work are processed to perform the contract (point (b)); client representative contacts are processed on the basis of legitimate interests (point (f)).
- Invoicing and legal obligations
- We process billing and accounting data to meet legal obligations (point (c)).
- Security and protecting rights
- We process technical records and necessary communication on the basis of our legitimate interests in protecting the website from misuse and establishing, exercising or defending legal claims (point (f)).
Submitting the form does not constitute marketing consent. We do not carry out automated decision-making or profiling with legal or similarly significant effects through the website.
4. Who may access your data
We share data only to the extent necessary for the relevant purpose:
- with people handling enquiries and delivering projects for GREON;
- ACTIVE 24, s.r.o. and its technical subcontractors, including WebSupport s.r.o., for hosting and form delivery;
- Google Ireland Limited: Google Analytics 4 measures visits and successful enquiries only with your consent. In providing the service, Google may process data outside the European Economic Area using applicable GDPR safeguards. Google's data protection information.
- Microsoft Ireland Operations Limited / Microsoft Corporation: Microsoft Clarity provides heatmaps and interaction recordings to improve usability, only with your consent to Clarity. Text and enquiry forms are masked. Data may also be processed outside the EEA, including in the USA, with appropriate safeguards. Microsoft's data protection information. Details of data, cookies and retention periods appear in the Cookies section below.
- Seznam.cz, a.s. for operating our business email account;
- accounting, tax or legal advisers and suppliers involved in a particular project, where necessary to handle it;
- public authorities where required by law.
We do not sell personal data. Enquiry content and photographs are not sent to Google Analytics. If you visit another website, its operator's privacy information applies.
5. How long we retain data
- Enquiries that do not lead to work: no longer than one year after the last communication.
- Projects and related communication: throughout our working relationship and afterwards as necessary to protect rights, generally no longer than five years after it ends. An ongoing dispute or legal obligation may require longer retention of relevant documents.
- Accounting and tax records: for the statutory period applicable to the record type, up to ten years for tax documents.
- Form protection: technical request fingerprints, rate-limit records and submission status are used briefly to prevent spam and duplicates. Records older than 24 hours are removed when the form is next processed; they contain neither message text nor photographs.
- Hosting operational and security logs: these may contain IP addresses, timestamps and requested page URLs. They are retained as necessary for operation and security incident resolution according to provider settings and any incident.
These periods also cover related emails and attachments. Once the purpose and retention obligation expire, we delete or anonymise the data.
Microsoft Clarity – website usability
Microsoft Clarity is enabled only after separate consent in Cookie settings (GDPR Article 6(1)(a)). Heatmaps and session recordings help identify where visitors struggle and improve usability, particularly on mobile. It processes clicks, scrolling, pointer movement, visited pages and their rendering, browser and device information, IP addresses and pseudonymous identifiers. It does not record camera video or audio.
Strict text masking is enabled. Enquiry forms, including attachments and submission results, are additionally masked. We do not intentionally send customer names, contact details, enquiry text or photographs to Clarity. GREON does not use Clarity for ad targeting; advertising storage is signalled as denied.
The data recipient is Microsoft Ireland Operations Limited / Microsoft Corporation. Microsoft also processes data under its own privacy policy. Data may be processed outside the EEA, including in the USA, using safeguards described in its policy, particularly standard contractual clauses. Microsoft Privacy Statement.
Clarity primarily uses the cookie _clck to recognise a browser (usually one year) and _clsk to combine page views into a session (usually one day). Microsoft may use its own cookies depending on settings and browser; see the Clarity cookie documentation. Clarity code does not load before consent. After refusal or withdrawal, cookieless measurement does not load either; we delete first-party Clarity cookies on greon.cz. Cookies on other domains can be managed in your browser.
Ordinary Clarity recordings are available for 30 days; tagged or favourited sessions, heatmaps and aggregate data may be retained for nine months. Withdrawal stops further collection but does not itself delete records already processed. You can change Analytics and Clarity choices independently at any time in . Browsing the website or expanding information does not constitute consent.
7. Your rights and how to exercise them
Subject to GDPR conditions, you may request access, rectification, erasure, restriction and, where applicable, portability. You may object to processing based on legitimate interests. Where processing relies on consent, you can withdraw it at any time without affecting the lawfulness of earlier processing.
Email info@greon.cz or write to our registered address. We normally handle requests free of charge, without undue delay and within one month. In complex cases, GDPR allows an extension of two further months; we inform you of the extension and reasons within the first month. Where reasonable doubts arise, we may need to verify your identity.
You also have the right to complain to the Czech Office for Personal Data Protection, Pplk. Sochora 27, 170 00 Praha 7.
8. Security and updates
The website uses encrypted HTTPS connections. We restrict data access according to operational needs and use technical and organisational safeguards proportionate to the risks. The current version of this policy is published on this page.
A question about your data?
Tell us which information or enquiry your question concerns. We will help resolve it.
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