Konstrukcje Stalowe K-zsp. z o.o.
Building works related to erection of residential and non-residential buildings
Overview
Financials
Revenue history (in k)
Filing timeliness
1 of 6 financial statements was filed late (for 2025, 21 days late).
- 202505/08/2026
- 202427/05/2025
- 202326/04/2024
- 202222/05/2023
- 202123/06/2022
- 202018/05/2021
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
To make declarations of will and sign on behalf of the company: A/ in the case of the appointment of a one-person management board, the President of the Management Board is authorised to act independently; B/ in the case of the appointment of a multi-member management board, two members of the management board acting jointly or one member of the management board acting jointly with a commercial proxy are authorised.
Ownership
| Owner | Share value | Stake |
|---|---|---|
Zygfryd Roman Kostońage 70 | $13,506.21 | 100% |
Beneficial owners
| Person | Rights |
|---|---|
Bank accounts
Registered as a VAT taxpayer on 2019-01-07.
26 1020 1068 0000 1102 0339 1646
Debt
No entries in the National Debtors Register (KRZ).
Public aid
9 public aid cases recorded, with a total value of $277,586.
| Grant date | Purpose | Gross amount | Granting body | |
|---|---|---|---|---|
| Jul 12, 2024 | De minimis aid (in accordance with Commission Regulation 2023/2831) | $107.7K$107,741 | Marszałek Województwa Śląskiego | |
| Oct 28, 2023 | De minimis aid (in accordance with Commission Regulation No 1407/2013 or earlier) | $6,981$6,981 | Prezes Banku Gospodarstwa Krajowego | |
| Oct 28, 2022 | De minimis aid (in accordance with Commission Regulation No 1407/2013 or earlier) | $5,742$5,742 | Prezes Banku Gospodarstwa Krajowego |
European Funds
| Start | Project | EU co-financing | Programme | |
|---|---|---|---|---|
| 2024-01-01 | Purchase of a modern production line and use of renewable energy sources at a steel structure manufacturing plant | $129K$128,999 | European Funds for Śląskie 2021-2027 |
Regulatory authorisations
| Authority | Type | Status | |
|---|---|---|---|
 BDO | BDO register entry | Active |
Competitors
| Name | Revenue | Website | ||
|---|---|---|---|---|
| Budoprimex Budownictwosp. z o.o. | $4,138,864.48 | budoprimex.pl | ||
| DombS.A. | $3,938,876.34 | domb.eu | ||
| Cz.P.B.P. PrzemysłówkaS.A. | $3,338,523.22 | przemyslowka.com.pl | ||
| Geokonstrukcjasp. z o.o. | $2,849,939.11 | geokonstrukcja.com | ||
| Kozbud Groupsp. z o.o. | $2,344,322.93 | kozbud.com.pl | ||
| Hard-Plastsp. z o.o. | $2,312,686.85 | hardplast.pl | ||
| Concrete Investsp. z o.o. | $1,206,622.51 | concreteinvest.pl | ||
| Budownictwo Eurobudsp. z o.o. + limited partnership | $190,053.35 | eurobudsc.com.pl | ||
| Pro Wood Budownictwosp. z o.o. | $0.00 | pro-wood.pl | ||
| Kussmannsp. z o.o. | – | pergolekussmann.pl |
Change history
| Date | Event | |
|---|---|---|
| 2018-06-29 | Address change (Równoległa 1, 42-600, Tarnowskie Góry → Ul. Batalionów Chłopskich 2, 42-680, Tarnowskie Góry) | |
| 2018-06-29 | Name change (Damm → Konstrukcje Stalowe K-Z) | |
| 2018-06-29 | PKD change (Removed: 9 codes; Added: 9 codes) | |
| 2017-09-12 | Business resumed | |
| 2015-04-17 | PKD change (Removed: 47.11.Z, 47.25.Z, 56.10.A, 92.00.Z) |
FAQ
Last updated: 2026-10-07