Zakład Instalacji Sanitarnych Mrózsp. j.
Plumbing, heat and air-conditioning installation
Overview
Financials
Revenue history (in k)
Filing timeliness
No financial statement for 2025 – the filing deadline has passed.
- 2025not filed
- 202409/06/2025
- 202317/04/2024
- 202219/06/2023
- 202128/04/2022
- 202023/03/2021
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 2024.
Results vs industry
Industry
Public procurement
Zakład Instalacji Sanitarnych Mróz is the contractor in 5 public sector contracts, worth USD 5.96k in total. They were signed with 4 public buyers. The largest number (2) were signed with Mazowiecki Zarząd Dróg Wojewódzkich w Warszawie.
| Signed on | Subject | Amount | Public buyer | |
|---|---|---|---|---|
| Oct 20, 2026 | Sanitary products | $54.58 | Urząd Gminy Goworowo | |
| Oct 15, 2026 | Przegląd central wentylacyjnych w MKK | $1,621 | Muzeum Kultury Kurpiowskiej w Ostrołęce | |
| 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 |
Ownership
| Owner |
|---|
Marcin Mrózage 44 |
Waldemar Mrózage 72 |
Manner of representation
Each partner is authorized to make declarations of will and sign on behalf of the company independently.
Marcin Mróz and Waldemar Mróz – all partners share the same surname, so the structure looks family-owned.
Bank accounts
Registered as a VAT taxpayer on 2008-02-01.
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 | ||
| Zinel Engineeringsp. z o.o. | $8,268,885.77 | zinel.com.pl | ||
| Petro Wodkansp. z o.o. | $7,968,574.49 | petrowodkan.pl | ||
| Fire-Wall sp. z o.o.sp. k. | $7,585,723.51 | firewall.net.pl | ||
| Antinussp. z o.o. | $7,262,905.64 | antinus.pl | ||
| Klimaoptima Serwissp. z o.o. | $6,057,450.68 | klimaoptima.pl | ||
| Sprinklersp. z o.o. | $4,754,991.95 | sprinkler.pl | ||
| Wod-Kan-Budsp. k. | $4,683,899.62 | wodkanbud.pl | ||
| Primawentsp. z o.o. | $4,621,872.48 | primawent.pl |
Change history
| Date | Event | |
|---|---|---|
| 2021-10-11 | Address change (Bohaterów Westerplatte 5, 07-410, Ostrołęa → Bohaterów Westerplatte 5, 07-410, Ostrołęka) | |
| 2020-01-24 | PKD change (Removed: 27 codes) | |
| 2010-07-29 | PKD change (Removed: 14 codes; Added: 1 code) | |
| 2008-06-23 | Switch to PKD 2007 (52 PKD 2004 codes → 50 PKD 2007 codes) | |
| 2007-12-21 | Entered in the register |
FAQ
Last updated: 2026-10-21