Overview
Winterro produces custom frameless and framed sliding glazing systems for balconies and terraces. The company provides measurement, design, production and installation, including parallel, vertical and sliding-turning systems as well as pleated insect screens that protect against wind and rain and reduce noise.
Financials
The financial statement for 2025 has not yet been filed with the Financial Document Repository (past deadline).
Revenue history (in k)
Data and insights are generated automatically based on financial statements and may contain errors. This analysis is for informational purposes only and does not constitute an official assessment of the company's credibility or business advice.
Statistics
How the company ranks by revenue within its industry, region and across Poland in 2024.
Results vs industry
Industry
Bank accounts
Registered as a VAT taxpayer on 2022-08-09. Active
59 1020 3147 0000 8902 0177 1419- 17 1020 3147 0000 8502 0177 1401
Debt
No entries in the National Debtors Register (KRZ). No proceedings in KRZ
Public aid
No public aid cases recorded in the last 10 years.
Tenders
No recorded participation in tenders.
Regulatory authorisations
| Authority | Type | Status | |
|---|---|---|---|
 BDO | BDO register entry | Active |
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 |
|---|---|---|---|
Kateryna Kosheva (45) | 49 | $661.80 | 49% |
Andrii Koshevoi (49) | 51 | $688.82 | 51% |
Beneficial owners
| Person | Rights | |
|---|---|---|
Kateryna Kosheva (45)  | Shareholder of a limited liability company, 2450.0 PLN | |
Andrii Koshevoi (49) | Shareholder of a limited liability company, 2550.0 PLN |
Competitors
| Name | Revenue | Website | ||
|---|---|---|---|---|
| Problind - Augustyniakowiesp. j. | $2,593,722.08 | problind.pl | ||
| OKNA Mielczareksp. z o.o. | $2,417,299.19 | oknamielczarek.pl | ||
| Promarsp. z o.o. | $2,507,691.45 | promarokna.pl | ||
| Modernsp. z o.o. | $1,211,990.62 | rolety-modern.pl | ||
| OKNA Liberasp. z o.o. | $970,065.92 | oknalibera.pl | ||
| Ekoteaksp. z o.o. | $875,049.81 | ekoteak.pl | ||
| Promar Oknasp. z o.o. | $752,360.61 | promarokna.pl | ||
| LUX Windowssp. z o.o. | $782,863.86 | luxwindows.eu | ||
| AW Plastsp. z o.o. | $415,138.82 | awplast.pl | ||
| Pjrgsp. z o.o. | $117,218.67 | pjrg.pl |
FAQ
Last updated: 2026-04-14