
Overview
MMK-Inż. Sp. z o.o. is a general contractor building external water supply networks and combined, sanitary and stormwater sewers, primarily in Łódź and its surrounding area. The company also carries out horizontal directional drilling for clay, basalt, polymer concrete, reinforced concrete, GRP and steel pipes up to 60 m long and DN150–DN600 in diameter.
Financials
Revenue history (in k)
Filing timeliness
Financial statements were filed on time, on average 58 days early.
- 202521/05/2026
- 202416/05/2025
- 202324/05/2024
- 202214/06/2023
- 202129/06/2022
- 202001/06/2021
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
7 tenders recorded as contractor: 6 national ($1,297,713) and 1 EU ($310,941).
| Publication date | Subject | Amount | Contracting authority | |
|---|---|---|---|---|
| Mar 12, 2026 | Repair of the water supply pipeline and connections on ul. Chełmońskiego and ul. Doroszewskiego in Łódź | $310.9K$310,941 | Zakład Wodociągów I Kanalizacji sp. z o.o. | |
| Nov 13, 2025 | Repair of the water supply pipeline and connections on ul. Chełmońskiego and ul. Doroszewskiego in Łódź | $456.3K$456,288 | Zakład Wodociągów I Kanalizacji sp. z o.o. | |
| Oct 10, 2024 | Construction: water and sanitary sewer connections to the property at ul. Wróblewskiego 52 in Łódź, and a water connection to the property at ul. Felińskiego 5B in Łódź | $27,614$27,614 | Urząd Miasta Łodzi |
MMK-Inż. has been a party to 3 cases before the National Appeal Chamber (since 2020).
| Date | Subject of dispute | Outcome | Other party | |
|---|---|---|---|---|
| Feb 11, 2021 | Order | Discontinued | Miasto Łódź – Zarząd Inwestycji Miejskich | |
| Jan 12, 2021 | Order | Discontinued | Miasto Łódź – Zarząd Inwestycji Miejskich | |
| Aug 12, 2020 | Order | Authority accepted the complaints | Łódzka Spółka Infrastrukturalna sp. z o.o. |
Authorized Representatives
Manner of representation
Each member of the management board has the right to independently represent the company in non-pecuniary matters and in the case of incurring obligations or disposing of a right up to a value not exceeding PLN 900,000 in a single act, and, in the case of periodic or continuous obligations, for a period of 6 months; whereas, in the case of incurring obligations or disposing of a right with a value equal to or exceeding PLN 900,000 in a single act, and, in the case of periodic or continuous obligations, for a period of 6 months, joint action by a member of the management board with a commercial proxy is required.
Ownership
| Owner | Shares | Share value | Stake |
|---|---|---|---|
| 100 | $1,350.62 | 100% |
Beneficial owners
| Person | Rights |
|---|---|
Bank accounts
Registered as a VAT taxpayer on 2017-04-12.
74 1050 1461 1000 0090 8071 6062
91 1050 1461 1000 0090 8071 6047
26 1600 1462 1879 0496 2000 0001
Debt
No entries in the National Debtors Register (KRZ).
Public aid
8 public aid cases recorded, with a total value of $435,642.
| Grant date | Purpose | Gross amount | Granting body | |
|---|---|---|---|---|
| Jul 17, 2023 | De minimis aid (in accordance with Commission Regulation No 1407/2013 or earlier) | $4,061$4,061 | Prezes Banku Gospodarstwa Krajowego | |
| Jul 21, 2022 | De minimis aid (in accordance with Commission Regulation No 1407/2013 or earlier) | $3,828$3,828 | Prezes Banku Gospodarstwa Krajowego | |
| Aug 6, 2021 | De minimis aid (in accordance with Commission Regulation No 1407/2013 or earlier) | $4,416$4,416 | Prezes Banku Gospodarstwa Krajowego |
Competitors
| Name | Revenue | Website | ||
|---|---|---|---|---|
| M & K Zakład Sieci Sanitarnychsp. z o.o. | $4,244,473.77 | m-k.pl | ||
| Hydromirex Świtońsp. k. | $3,588,620.15 | hydromirex.pl | ||
| PM Industrysp. z o.o. | $1,938,393.88 | pm-industry.pl | ||
| Inspolsp. z o.o. | $1,793,547.03 | inspol.pl | ||
| Max-Instalsp. z o.o. | $1,794,206.63 | max-instal.com | ||
| Investkansp. z o.o. + limited partnership | $1,745,963.79 | investkan.eu | ||
| Bukoltsp. z o.o. | $1,154,632.49 | bukolt.pl | ||
| Preinstal A. Fusiński, D. Jaroszsp. j. | $1,099,039.66 | preinstal.pl | ||
| BSK Engineeringsp. z o.o. | $1,046,594.64 | bsk-engineering.pl | ||
| Investkansp. z o.o. | $557,365.29 | investkan.eu |
Change history
| Date | Event | |
|---|---|---|
| 2017-04-25 | Address change (Ul. Piotrkowska 173/501, 90-447, Łódź → Ul. Piotrkowska 173/110, 90-447, Łódź) | |
| 2017-03-15 | Entered in the register |
FAQ
Last updated: 2026-10-07