Overview
Q4sash Windows is a Polish manufacturer of timber windows and doors, specializing in bespoke products and exports to the UK market. Its range includes casement windows, French doors, IV 68 models, and Brio 60 and Brio 60 Alu products.
Financials
Revenue history (in k)
Filing timeliness
2 of 6 financial statements were filed late (the longest delay 27 days for 2021). All were audited by a statutory auditor.
- 202506/07/2026
- 202415/07/2025
- 202310/07/2024
- 202212/07/2023
- 202111/08/2022
- 202027/10/2021
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
Authorized Representatives
Manner of representation
In the case of a one-person management board, the company is represented individually; in the event of appointment of a multi-member management board, the company is represented jointly by two members of the management board in transactions involving disposal of assets or incurring liabilities with a value exceeding PLN 50,000; in other transactions, the company is represented individually.
Ownership
| Owner | Shares | Share value | Stake |
|---|---|---|---|
Małgorzata Ciesielska Loosage 63 | 200 | $5,402.49 | 20% |
Jarosław Ludwik Loosage 63 | 20 | $540.25 | 2% |
Maciej Jarosław Loosage 35 | 380 | $10,264.72 | 38% |
Krzysztof Proczage 55 | 300 | $8,103.73 | 30% |
Artur Sałapatekage 55 | 100 | $2,701.24 | 10% |
Maciej Jarosław Loos, Małgorzata Ciesielska Loos and Jarosław Ludwik Loos hold a combined 60% – the ownership structure indicates family control.
Beneficial owners
| Person | Rights |
|---|---|
Bank accounts
Registered as a VAT taxpayer on 2011-09-22.
92 1050 1559 1000 0023 5687 1810- 69 1050 1559 1000 0023 5687 1836
- 91 1050 1559 1000 0023 5687 1828
Debt
No entries in the National Debtors Register (KRZ).
Real estate
| Type | Amount |
|---|---|
Land (incl. perpetual usufruct) | $153.9K$153,883 |
Buildings and premises | $1.8M$1,824,476 |
Public aid
52 public aid cases recorded, with a total value of $980,603.
| Grant date | Purpose | Gross amount | Granting body | |
|---|---|---|---|---|
| Jun 30, 2023 | Regional investment aid | –– | ZACHODNIOPOMORSKI URZĄD SKARBOWY W SZCZECINIE | |
| Jun 30, 2022 | Regional investment aid | –– | ZACHODNIOPOMORSKI URZĄD SKARBOWY W SZCZECINIE | |
| Jun 30, 2021 | Regional investment aid | –– | ZACHODNIOPOMORSKI URZĄD SKARBOWY W SZCZECINIE |
Regulatory authorisations
| Authority | Type | Status | |
|---|---|---|---|
 BDO | BDO register entry | Active |
Competitors
| Name | Revenue | Website | ||
|---|---|---|---|---|
| Okpolsp. z o.o. | $9,424,299.41 | okpol.pl | ||
| Stolarstwo Import-Export Dudek H & Hsp. j. | $7,857,076.14 | dudek-hh.pl | ||
| Fasada Windows&Doorssp. z o.o. | $7,047,519.39 | fasada.eu | ||
| Vitrasp. z o.o. | $5,479,168.33 | vitragroup.eu | ||
| BAKO Bartnik Kowalczuksp. j. | $4,174,315.19 | bako-okna.pl | ||
| BKT Systemsp. z o.o. | $4,024,221.87 | bkt-system.com.pl | ||
| Malec Oknasp. z o.o. | $2,987,165.48 | malecokna.pl | ||
| LOOK Oknasp. z o.o. | $2,826,963.91 | look-okna.pl | ||
| Mikinka Doors & Windowssp. z o.o. | $2,051,582.15 | mikinka.pl | ||
| Wiwatowski Fabryka Okiensp. z o.o. | $1,360,287.97 | wiwatowski.pl |
Change history
| Date | Event | |
|---|---|---|
| 2026-10-27 | Share capital increase (10,000.00 PLN → 100,000.00 PLN) | |
| 2017-06-14 | Address change (Słowiańska 8/B, 75-846, Koszalin → Okienna 3, 75-202, Koszalin) | |
| 2016-09-26 | PKD change (Removed: 1 code; Added: 8 codes) | |
| 2016-08-25 | Name change ("viking Windows" → Q4sash Windows) | |
| 2016-08-25 | PKD change (Removed: 12 codes; Added: 2 codes) |
FAQ
Last updated: 2026-10-27