Overview
MJM Inżynieria prepares multidisciplinary design documentation for water and wastewater management, particularly for municipal and city wastewater treatment plants and water intakes. It develops projects from initial concepts through to building permits and provides investor and author supervision for the facilities it designs.
Financials
Revenue history (in k)
From the notes
| Profit allocation | No decision |
Filing timeliness
Financial statements were filed on time, on average 37 days early.
- 2025filed
- 202430/06/2025
- 202315/04/2024
- 202209/07/2023
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, city, voivodeship and across Poland in 2025.
Results vs industry
Industry
Offer
- Wastewater treatment plant design documentation
- Water intake design documentation
- Construction supervision
- Author's supervision
Public procurement
No recorded participation in tenders.
MJM Inżynieria is the contractor in 2 public sector contracts, worth USD 51.86k in total. They were signed with 2 public buyers.
| Signed on | Subject | Amount | Public buyer | |
|---|---|---|---|---|
| Sep 9, 2026 | Preparation of design and cost estimate documentation for the construction of a wastewater treatment plant in Nowiny, Gmina Susiec | $45,651 | Gmina Susiec | |
| Jul 20, 2026 | The subject of the contract is the preparation of design documentation, together with a cost estimate, for the project “Budowa sieci kanalizacyjnej na placu po byłej GS w Żmudzi”.
The scope of the contract includes:
1) Architectural and construction design – 4 copies.
2) Investor’s cost estimate – 1 paper copy and an electronic version.
3) Detailed technical specifications for the execution and acceptance of works – same discipline as above – electronic version. | $6,213 | Gmina Żmudź |
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 |
|---|---|---|---|
Jacek Marcyniukage 43 | 75 | $1,012.97 | 75% |
| 25 | $337.66 | 25% |
Jacek Marcyniuk and Magdalena Karolina Marcyniuk hold a combined 100% – the ownership structure indicates family control.
Beneficial owners
| Person | Rights |
|---|---|
Bank accounts
Registered as a VAT taxpayer on 2022-06-01.
97 1020 5356 0000 1502 0232 4648
Debt
No entries in the National Debtors Register (KRZ).
Public aid
No public aid cases recorded in the last 10 years.
Competitors
| Name | Revenue | Website | ||
|---|---|---|---|---|
| JW Teamsp. z o.o. | $521,474.66 | jwteam.pl | ||
| Flowentsp. z o.o. | $450,590.21 | flowent.pl | ||
| NBM Technologie Mroczka i Wspólnicysp. j. | $436,575.08 | nbmtechnologie.pl | ||
| Ecorensp. z o.o. | $388,874.74 | ecoren.com.pl | ||
| Bimdsp. z o.o. | $364,125.12 | bimd.pl | ||
| MKDsp. z o.o. | $257,956.43 | mkd.pl | ||
| Bmgprojektsp. z o.o. | $183,242.07 | bmgprojekt.eu | ||
| Impact Projektsp. z o.o. | $127,956.87 | impactprojekt.pl | ||
| 4PMOsp. z o.o. | $90,517.38 | 4pmosystem.pl | ||
| JTS Engineeringsp. z o.o. | $64,943.61 | jtsengineering.pl |
Change history
| Date | Event | |
|---|---|---|
| 2025-11-12 | Address change (Wiejska 17, 22-400, Zamość → Ul. Koszary 16/6, 22-400, Zamość) | |
| 2022-03-24 | Entered in the register |
FAQ
Last updated: 2026-04-12