Contact
Last updated: 2026-07-21 · Site: www.geochecker.app
Need help with GEO Checker, the geochecker.app website, Chrome Web Store, or Firefox Add-ons? Use the channels below. We keep support simple for a free extension product.
Company details
GEO Checker (geochecker.app) is operated by 4SPACES Sp. z o.o. (dba Startup Island).
4SPACES Sp. z o.o. (dba Startup Island)
Mickiewicza 37/58, 01-625 Warsaw, Poland
NIP (Tax ID): 5242846387
REGON: 368950558
DUNS: 439396096
KRS: 0000708394
Email support
Write to support@geochecker.app. That is the primary contact for GEO Checker product questions, website issues, and partnership notes.
Product support (extension)
For install issues, permission questions, or store listing feedback, email support@geochecker.app. Install on the Chrome Web Store or Firefox Add-ons (desktop only).
Privacy
For privacy questions, start with the Privacy note.
What to include
When you write in, include browser and version (Firefox or Chrome), the site URL you were scanning, and whether the issue is the website (geochecker.app) or the extension UI.