Overview
MAG System sells, installs and services PVC, wooden and aluminium windows, entrance doors, window sills, blinds, shutters and insect screens in Kraków and the surrounding area. The company offers free measurements, advice, installation, and warranty and post-warranty service.
- Monday–Friday
- 9:00–17:00
Financials
Revenue history (in k)
Filing timeliness
Financial statements were filed on time, on average 56 days early.
- 202525/03/2026
- 202415/07/2025
Data and insights are generated automatically from financial statements – they may contain errors and are neither a credit assessment nor business advice.
Statistics
How the company ranks by revenue within its industry, region and across Poland in 2025.
Results vs industry
Industry
- Demolition and site preparation (43.1)
Offer
- Windows
- Window sills
- Entrance doors
- Roller blinds
- Blinds
- Insect screens
- Window and door installation
- Window and door servicing
Website technology
- Website
- WordPress
Authorized Representatives
Manner of representation
Each member of the management board is authorized to make declarations on behalf of the company independently.
Ownership
| Owner | Shares | Share value | Stake |
|---|---|---|---|
Jacek Piotr Mirskiage 51 | 85 | $1,148.03 | 85% |
Danuta Krystyna Sowa Mirskaage 57 | 15 | $202.59 | 15% |
Jacek Piotr Mirski and Danuta Krystyna Sowa Mirska hold a combined 100% – the ownership structure indicates family control.
Beneficial owners
| Person | Rights |
|---|---|
Bank accounts
Registered as a VAT taxpayer on 2024-06-01.
20 1050 1445 1000 0090 8386 5288- 83 1050 1445 1000 0090 8537 7548
- 80 1050 1445 1000 0025 0660 3444
Debt
No entries in the National Debtors Register (KRZ).
Public aid
7 public aid cases recorded, with a total value of $8,737.
| Grant date | Purpose | Gross amount | Granting body | |
|---|---|---|---|---|
| Jul 2, 2026 | Aid in the form of wage subsidies for employing workers with disabilities | $419$419 | Prezes Zarządu Państwowego Funduszu Rehabilitacji Osób Niepełnosprawnych | |
| Jun 2, 2026 | Aid in the form of wage subsidies for employing workers with disabilities | $419$419 | Prezes Zarządu Państwowego Funduszu Rehabilitacji Osób Niepełnosprawnych | |
| May 5, 2026 | Aid in the form of wage subsidies for employing workers with disabilities | $419$419 | Prezes Zarządu Państwowego Funduszu Rehabilitacji Osób Niepełnosprawnych |
Competitors
| Name | Revenue | Website | ||
|---|---|---|---|---|
| Amper Systemsp. z o.o. | $648,119.73 | ampersystem.pl | ||
| Fasady Serwissp. z o.o. | $575,721.00 | fasadyserwis.pl | ||
| MG Premiumsp. z o.o. | $561,934.13 | mgpremium.pl | ||
| Ejassp. z o.o. | $554,654.90 | ejas.com.pl | ||
| Przedsiębiorstwo Produkcyjno-Handlowo-Usługowe Punicasp. z o.o. | $553,216.64 | punica.pl | ||
| Robstan Oknasp. z o.o. | $456,693.05 | robstan.pl | ||
| Brovestorsp. z o.o. | $405,337.66 | brovestor.pl | ||
| Brickman Oknasp. z o.o. | $308,606.61 | brickman-okna.pl | ||
| Euro-Pvc Produkcja-Usługi-Handelsp. z o.o. | $304,747.94 | euro-pvc.com | ||
| Biesystemsp. z o.o. | $147,292.20 | biesystem.pl |
FAQ
Last updated: 2026-07-30