Overview
Mkl Bau is a construction company that specializes in general contracting and offers essential construction services for energy projects. They produce, deliver, and assemble steel structures. The company operates both in Poland and internationally.
Financials
Revenue history (in m)
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 2025.
Results vs industry
Industry
Bank accounts
Registered as a VAT taxpayer on 2013-08-18. Active
15 1020 4476 0000 8902 0367 8604
23 1140 1094 0000 3699 8300 1001- 70 1020 4476 0000 8302 0364 6577
Debt
No entries in the National Debtors Register (KRZ). No proceedings in KRZ
Public aid
73 public aid cases recorded, with a total value of $1,342,061.
| Grant date | Purpose | Gross amount | Granting body | |
|---|---|---|---|---|
| Jul 21, 2026 | De minimis aid (in accordance with Commission Regulation 2023/2831) | $1,413 | PREZYDENT MIASTA SIEDLCE | |
| Jul 21, 2026 | De minimis aid (in accordance with Commission Regulation 2023/2831) | $1,209 | PREZYDENT MIASTA SIEDLCE | |
| Jul 21, 2026 | De minimis aid (in accordance with Commission Regulation 2023/2831) | $1,139 | PREZYDENT MIASTA SIEDLCE |
Tenders
2 tenders recorded as contractor: 1 national ($1,027,679) and 1 EU ($10,917,649).
| Publication date | Subject | Amount | Contracting authority | |
|---|---|---|---|---|
| Mar 23, 2026 | Budowa nowej siedziby Komendy Powiatowej Policji w Trzebnicy. | $10,917,649 | Komenda Wojewódzka Policji we Wrocławiu | |
| Feb 17, 2025 | Modernizacja i przebudowa budynku obsługi MPK w Siedlcach w formule „zaprojektuj i wybuduj” w ramach zadania: Zrównoważona mobilność miejska na terenie Miejskiego Obszaru Funkcjonalnego Miasta Siedlce | $1,027,679 | Miasto Siedlce |
Regulatory authorisations
| Authority | Type | Status | |
|---|---|---|---|
 BDO | BDO register entry | Active |
Authorized Representatives
Manner of representation
1. In the case of a multi-member management board, a member of the management board acting independently is authorised to make declarations of will and sign on behalf of the company if the obligation or disposal of a right to which such declaration relates does not exceed PLN 2,000,000 (in words: two million zlotys), or two members of the management board acting jointly, or a member of the management board acting jointly with a commercial proxy, if the obligation or disposal of a right to which such declaration relates exceeds PLN 2,000,000 (in words: two million zlotys). 2. In the case of a one-person management board, the President of the Management Board is authorised independently to make declarations of will and sign on behalf of the company.
Ownership
| Owner | Shares | Share value | Stake |
|---|---|---|---|
| 1,000 | $13,506.21 | 100% |
Beneficial owners
6 beneficial owners recorded in CRBR.
| Person | Rights |
|---|---|
Tomasz Buda (47)  | Natural person holding a senior management position (AML Act art. 2(2)(1)(a) indent 5). |
Mariusz Cizio (49) | Natural person holding a senior management position (AML Act art. 2(2)(1)(a) indent 5). |
Mariusz Piotr Czyżak (50) | Other natural person. |
Krzysztof Kiełczykowski (54) | Natural person holding a senior management position (AML Act art. 2(2)(1)(a) indent 5). |
Leszek Ładziak (59) | Natural person holding a senior management position (AML Act art. 2(2)(1)(a) indent 5). |
Damian Rafał Rzeźnik (45) | Natural person holding a senior management position (AML Act art. 2(2)(1)(a) indent 5). |
Competitors
| Name | Revenue | Website | |
|---|---|---|---|
| Mostostal WarszawaS.A. | $261,914,615.77 | mostostal.waw.pl | |
| Polimex Budownictwosp. z o.o. | $102,249,121.04 | polimex-mostostal.pl | |
| JMSsp. z o.o. | $100,280,617.99 | jms-torun.pl | |
| TotalbudS.A. | $66,274,734.20 | totalbud.pl | |
| Cermontsp. z o.o. | $56,616,336.89 | cermont.pl | |
| M&Jsp. z o.o. | $49,799,557.01 | firmamj.pl | |
| Zakład Techniczno-Budowlany Polbausp. z o.o. | $39,875,837.34 | polbau.pl | |
| KrakbauS.A. | $33,441,757.11 | krakbau.com.pl | |
| Grupa Kdmsp. z o.o. | $31,668,228.30 | grupakdm.pl | |
| SKB Ldrsp. z o.o. | $28,878,312.39 | skb.net.pl |
Change history
| Date | Event |
|---|---|
| 2026-04-20 | Address change (Ul. Stefana Starzyńskiego 5, 08-110, Siedlce → Ul. Łukowska 85, 08-110, Grabianów) |
| 2016-09-16 | Address change (Nowy Świat 1/61, 08-110, Siedlce → Ul. Stefana Starzyńskiego 5, 08-110, Siedlce) |
| 2015-01-22 | PKD change (Removed: 02.20.Z, 08.11.Z, 08.12.Z, 08.92.Z, 09.10.Z, 09.90.Z, 13.20.C, 13.20.D, 16.22.Z, 16.23.Z, 16.24.Z, 16.29.Z, 22.22.Z, 22.23.Z, 22.29.Z, 23.19.Z, 23.20.Z, 23.61.Z, 23.62.Z, 23.63.Z, 23.64.Z, 23.69.Z, 24.32.Z, 24.33.Z, 24.42.B, 25.11.Z, 25.12.Z, 25.21.Z, 25.29.Z, 25.72.Z, 25.73.Z, 25.92.Z, 25.93.Z, 25.94.Z, 25.99.Z, 28.15.Z, 28.21.Z, 28.22.Z, 28.24.Z, 28.25.Z, 28.29.Z, 31.01.Z, 31.02.Z, 32.99.Z, 33.12.Z, 33.14.Z, 33.19.Z, 33.20.Z, 38.31.Z, 39.00.Z, 42.11.Z, 42.12.Z, 42.13.Z, 42.22.Z, 42.91.Z, 42.99.Z, 43.11.Z, 43.12.Z, 43.13.Z, 43.21.Z, 43.22.Z, 43.29.Z, 43.31.Z, 43.32.Z, 43.33.Z, 43.34.Z, 43.39.Z, 43.99.Z, 45.11.Z, 45.19.Z, 46.13.Z, 46.14.Z, 46.15.Z, 46.18.Z, 46.19.Z, 46.41.Z, 46.43.Z, 46.44.Z, 46.47.Z, 46.49.Z, 46.52.Z, 46.61.Z, 46.63.Z, 46.65.Z, 46.66.Z, 46.69.Z, 46.72.Z, 46.73.Z, 46.74.Z, 46.75.Z, 46.76.Z, 46.77.Z, 46.90.Z, 47.52.Z, 49.41.Z, 52.10.B, 52.21.Z, 55.10.Z, 55.20.Z, 55.90.Z, 68.10.Z, 68.20.Z, 68.31.Z, 68.32.Z, 71.11.Z, 71.20.B, 74.90.Z, 77.11.Z, 77.12.Z, 77.32.Z, 77.39.Z, 77.40.Z, 78.10.Z, 78.30.Z, 81.10.Z, 81.21.Z, 81.22.Z, 81.29.Z, 81.30.Z, 82.11.Z, 82.92.Z) |
| 2013-10-28 | Share capital change (5,000.00 PLN → 50,000.00 PLN) |
| 2013-09-18 | Entered in the register |
FAQ
Last updated: 2026-04-27