Zakład Instalacji Sanitarnych Mrózsp. z o.o.
Plumbing, heat and air-conditioning installation
Overview
Financials
Filing timeliness
The financial statement for 2025 was filed on time.
- 202523/04/2026
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
Zakład Instalacji Sanitarnych Mróz is the contractor in 3 public sector contracts, worth USD 4.29k in total. They were signed with 2 public buyers. The largest number (2) were signed with Mazowiecki Zarząd Dróg Wojewódzkich w Warszawie.
| Signed on | Subject | Amount | Public buyer | |
|---|---|---|---|---|
| Oct 1, 2026 | Repair of a failure in the external water supply network at the base of the Czerwin Road District, ul. Mazowiecka 44 | $3,838 | Mazowiecki Zarząd Dróg Wojewódzkich w Warszawie | |
| Sep 21, 2026 | Calibration and replacement of the GAZEX gas detection system detector in the warehouse and equipment shelter building at OD Czerwin, ul. Mazowiecka 44, 07-407 Czerwin, 2. Inspection of the proper operation of the GAZEX gas detection system (testing the functionality of the detector, alarm control panel, shut-off valves and signalling) | $370.07 | Mazowiecki Zarząd Dróg Wojewódzkich w Warszawie | |
| Sep 7, 2026 | Heating boiler inspection service at Nadzór Wodny Ostrołęka | $81.04 | Państwowe Gospodarstwo Wodne Wody Polskie |
Authorized Representatives
Manner of representation
Each member of the management board may represent the company independently.
Ownership
| Owner | Shares | Share value | Stake |
|---|---|---|---|
Marcin Mrózage 44 | 1,400 | $18,908.70 | 70% |
Waldemar Mrózage 72 | 600 | $8,103.73 | 30% |
Marcin Mróz and Waldemar Mróz hold a combined 100% – the ownership structure indicates family control.
Beneficial owners
| Person | Rights |
|---|---|
Bank accounts
Registered as a VAT taxpayer on 2008-02-01.
07 1140 1775 0000 7154 8500 1004
38 1500 1588 1215 8004 0849 0000- 61 1140 1775 0000 7154 8500 1002
Debt
No entries in the National Debtors Register (KRZ).
Public aid
14 public aid cases recorded, with a total value of $628,593.
| Grant date | Purpose | Gross amount | Granting body | |
|---|---|---|---|---|
| Nov 14, 2025 | De minimis aid (in accordance with Commission Regulation 2023/2831) | –– | Marszałek Województwa Mazowieckiego | |
| Sep 4, 2025 | De minimis aid (in accordance with Commission Regulation 2023/2831) | –– | Prezes Banku Gospodarstwa Krajowego | |
| Apr 10, 2025 | De minimis aid (in accordance with Commission Regulation 2023/2831) | –– | STAROSTA POWIATU OSTROŁĘKA |
Regulatory authorisations
| Authority | Type | Status | |
|---|---|---|---|
 BDO | BDO register entry | Active |
Competitors
| Name | Revenue | Website | ||
|---|---|---|---|---|
| Elektrotermexsp. z o.o. | $14,638,860.11 | etx.pl | ||
| EKO Energetyka I Ciepłownictwosp. z o.o. | $13,791,513.85 | eeic.pl | ||
| Hvac Unitechsp. z o.o. | $3,115,740.45 | hvac-unitech.pl | ||
| Cool Prosp. z o.o. | $3,079,548.16 | coolpro.pl | ||
| Zakład Produkcyjno-Usługowy Klima-Wentsp. j. | $2,981,525.77 | klimawent.pl | ||
| Sanfachsp. z o.o. | $2,932,349.39 | sanfach.pl | ||
| Teklim P. Janowski, P. Młoźniaksp. j. | $2,873,366.08 | teklim.com | ||
| Freezelsp. z o.o. | $2,774,643.34 | freezel.com.pl | ||
| Clima Hitsp. z o.o. + limited partnership | $2,698,483.49 | climahit.pl | ||
| Amj-Instalsp. z o.o. | $2,654,772.22 | amj-instal.pl |
FAQ
Last updated: 2026-10-21