Wentylatory Wentechsp. z o.o.
Manufacture of non-domestic cooling and ventilation equipment
Overview
Financials
Revenue history (in k)
Filing timeliness
1 of 6 financial statements was filed late (for 2021, 69 days late). 1 of 6 audited by a statutory auditor.
- 202514/04/2026
- 202429/04/2025
- 202328/05/2024
- 202228/04/2023
- 202122/09/2022
- 202029/07/2021
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
Public procurement
1 tenders recorded as contractor, with a total value of $102,064, and 4 as contracting authority.
| Publication date | Subject | Amount | Contracting authority | |
|---|---|---|---|---|
| Apr 28, 2023 | Modernization of fans (designations 2W and 3W) on the secondary reactor cooling circuit cooling tower, MARIA reactor | $102.1K$102,064 | Narodowe Centrum Badań Jądrowych |
Trademarks
Wentylatory Wentech currently holds no active trademarks with the Polish Patent Office. 2 marks have expired or were not registered. The first mark was filed in 2005.
| Mark | Protected until | |
|---|---|---|
| wentech | – | |
| Wentech | – |
Authorized Representatives
Manner of representation
The individual members of the management board are independently authorised to make declarations of will within the scope of property rights and obligations and to sign on behalf of the company.
Ownership
| Owner | Shares | Share value | Stake |
|---|---|---|---|
Magdalena Kalderage 33 | – | $81,037.28 | 50% |
Mateusz Adam Kalderage 38 | 150 | $40,518.64 | 25% |
Magdalena Maria Krzyżowskaage 49 | 150 | $40,518.64 | 25% |
Magdalena Kalder and Mateusz Adam Kalder hold a combined 75% – the ownership structure indicates family control.
Beneficial owners
| Person | Rights |
|---|---|
Bank accounts
Registered as a VAT taxpayer on 1993-12-04.
Bank spółdzielczy97 8437 0002 0030 0325 7912 0001
82 1750 1035 0000 0000 3218 0523
62 1050 1070 1000 0090 8655 1984
Debt
No entries in the National Debtors Register (KRZ).
Real estate
| Type | Amount |
|---|---|
Buildings and premises | PLN 18,535PLN 18,535 |
Public aid
9 public aid cases recorded, with a total value of $267,877.
| Grant date | Purpose | Gross amount | Granting body | |
|---|---|---|---|---|
| Jan 12, 2026 | De minimis aid (in accordance with Commission Regulation 2023/2831) | –– | Prezes Banku Gospodarstwa Krajowego | |
| Mar 5, 2025 | De minimis aid (in accordance with Commission Regulation 2023/2831) | –– | Fundusz Górnośląski S.A. | |
| Oct 23, 2024 | De minimis aid (in accordance with Commission Regulation 2023/2831) | –– | Certes sp. z o.o. |
European Funds
| Start | Project | EU co-financing | Programme | |
|---|---|---|---|---|
| 2017-09-01 | Introduction of a significantly improved production technology for large industrial fans based on an integrated system for automatic flow and acoustic analyses "Wirtualny wentylator" | $43,969$43,969 | Operational Programme Smart Growth | |
| 2017-01-01 | Implementation of nationally innovative ICT solutions for an acoustic and aeroacoustic analysis system in the industrial fan production process | $34,259$34,259 | Regional Operational Programme for the Śląskie Voivodeship for 2014-2020 |
Regulatory authorisations
| Authority | Type | Status | |
|---|---|---|---|
 BDO | Waste generation | Active |
Competitors
| Name | Revenue | Website | ||
|---|---|---|---|---|
| Fabryka Wentylatorów FawentS.A. | $14,046,800.67 | fawent.pl | ||
| SonnigerS.A. | $10,954,423.88 | sonniger.com | ||
| Termospecsp. z o.o. | $10,615,373.03 | termospec.pl | ||
| Dohmeyer Constructionsp. z o.o. | $9,545,332.32 | dohmeyer.com | ||
| Planetfansp. z o.o. | $4,024,847.66 | planetfan.pl | ||
| Pingot DarpinS.K.A. | $3,813,181.47 | darpin.pl | ||
| Atmo-Control Cezary Zalewski, Jan Długosz, Paweł Adamiaksp. j. | $3,201,373.60 | atmo-control.pl | ||
| Climaremsp. z o.o. | $2,761,091.54 | climarem.pl | ||
| Thermoplex Instalacjesp. z o.o. | $2,673,749.63 | thermoplex.pl | ||
| Frizo Technologysp. z o.o. | $2,294,235.85 | frizo.pl |
FAQ
Last updated: 2026-10-07