Overview
HRJ, based in Warsaw, designs, installs and services water, sewer and heating systems, including water filtration, rainwater drainage, underfloor heating and heat pumps. It serves individuals, businesses, institutions, housing communities and universities in Warsaw, the Mazowieckie region and across Poland, and offers ongoing technical maintenance contracts.
Financials
Revenue history (in k)
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 2024-12-10. Active
62 1870 1045 2078 1083 3454 0001
Debt
No entries in the National Debtors Register (KRZ). No proceedings in KRZ
Public aid
No public aid cases recorded in the last 10 years.
Tenders
No recorded participation in tenders.
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 |
|---|---|---|---|
Piotr Koszerny (42) | 80 | $1,080.50 | 80% |
Danuta Janina Winek (71) | 20 | $270.12 | 20% |
Beneficial owners
| Person | Rights |
|---|---|
Competitors
| Name | Revenue | Website | ||
|---|---|---|---|---|
| Hydro Housesp. z o.o. | $255,817.35 | hydro-house.pl | ||
| GT-Wentsp. z o.o. | $206,105.46 | gt-went.pl | ||
| RS Home & Securitysp. z o.o. | $202,509.15 | rssecurity.pl | ||
| Klimaventsp. z o.o. | $138,909.52 | klimavent.pl | ||
| WMD Instalsp. z o.o. | $122,901.52 | wmdinstal.pl | ||
| HVAC Engineeringsp. z o.o. | $89,131.17 | hvacengineering.pl | ||
| AJD Projektysp. z o.o. | $85,877.03 | ajdprojekty.pl | ||
| CJM Systemsp. z o.o. | $85,161.87 | cjmsystem.pl | ||
| Hydro-Instalsp. z o.o. | $57,167.58 | hydro-instal.eu | ||
| Jutomsp. z o.o. + limited partnership | $53,614.19 | jutom.pl |
FAQ
Last updated: 2026-07-05