Overview
4dom is an HVAC company with more than 25 years of experience, specializing in the comprehensive planning and delivery of buildings measuring 100–3,000 m². Its services include heat pumps, radiant cooling, photovoltaics, gas boiler rooms, air conditioning, KNX automation, ventilation with heat recovery, swimming pools, and heating and water-and-sewer installations. The service covers consulting, design, installation, and maintenance, and the company also supports the International Week Warsaw project.
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 2012-05-25. Active
72 2030 0045 1110 0000 0371 8080
76 1440 1387 0000 0000 1439 2898- 94 1600 1462 1030 5764 7000 0005
Debt
No entries in the National Debtors Register (KRZ). No proceedings in KRZ
Public aid
4 public aid cases recorded, with a total value of $34,156.
| Grant date | Purpose | Gross amount | Granting body | |
|---|---|---|---|---|
| Sep 20, 2020 | Aid compensating for the negative economic consequences of COVID-19, granted in limited amounts | $3,291$3,291 | Prezes Zakładu Ubezpieczeń Społecznych | |
| Jun 20, 2020 | Aid compensating for the negative economic consequences of COVID-19, granted in limited amounts | $3,312$3,312 | Prezes Zakładu Ubezpieczeń Społecznych | |
| May 25, 2020 | Aid compensating for the negative economic consequences of COVID-19, granted in limited amounts | $24,617$24,617 | Polski Fundusz Rozwoju S.A. |
Tenders
No recorded participation in tenders.
Public sector contracts
4dom is the contractor in one public sector contract, worth PLN 380.00.
| Public buyer | Value | |
|---|---|---|
| Szkoła Podstawowa Nr 357 Im. Mikołaja Kopernika | PLN 380.00 |
Authorized Representatives
Manner of representation
Each member of the management board is authorised to make declarations on behalf of the company independently.
Ownership
| Owner | Shares | Share value | Stake |
|---|---|---|---|
Wojciech Grona (54) | 560 | $151.27 | 1.12% |
Grzegorz Sadowski (47) | 440 | – | 0% |
Others | 88,286 | $13,354.94 | 98.88% |
Beneficial owners
| Person | Rights |
|---|---|
Competitors
| Name | Revenue | Website | ||
|---|---|---|---|---|
| Delta Termsp. z o.o. | $1,709,041.43 | deltaterm.pl | ||
| DC Serwissp. z o.o. | $1,618,282.27 | dcserwis.eu | ||
| Firma Usługowa Fachowiecsp. z o.o. | $1,517,384.02 | fu-fachowiec.pl | ||
| Hvac Fmsp. z o.o. | $1,493,965.79 | hvacfm.pl | ||
| ATR Engineeringsp. z o.o. | $1,420,503.51 | atr-engineering.pl | ||
| Kobylassp. z o.o. | $1,391,961.15 | kobylas.com | ||
| Avmengineeringsp. z o.o. | $1,291,307.30 | avmengineering.pl | ||
| Mitech Engineeringsp. z o.o. | $1,274,270.94 | mitech-mb.pl | ||
| CORA Hydrosp. z o.o. | $1,123,410.25 | ilike-photo.com | ||
| Dobra Klimasp. z o.o. | $577,041.62 | dobraklima.com |
Change history
| Date | Event | |
|---|---|---|
| 2016-05-19 | Address change (Zakroczymska 8, 05-100, Nowy Dwór Mazowiecki → Ul. Wiślana 48, 05-092, Łomianki) | |
| 2016-05-19 | PKD change (Removed: 23, 24.20.Z, 24.3, 25.21.Z, 35, 37, 45, 46, 47, 49, 52, 58, 63, 68, 70.22.Z, 73.1, 74.90.Z, 79, 82.30.Z, 85.59.B, 85.60.Z; Added: 43.22.Z) | |
| 2012-04-17 | Entered in the register |
FAQ
Last updated: 2026-10-07