Overview
Hydro-Ok installs water, sewer and gas systems, fire protection, sprinkler, hydrant and industrial installations. Its services also include central heating and heat technology systems, chilled water, air conditioning and ventilation, as well as pumping stations and boiler rooms.
Financials
Revenue history (in k)
Filing timeliness
4 of 6 financial statements were filed late (the longest delay 367 days for 2020).
- 202513/07/2026
- 202410/07/2025
- 202326/07/2024
- 202230/08/2023
- 202117/10/2022
- 202017/10/2022
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
Offer
- Sprinkler systems
- Fire hydrant systems
- Sewer installations
- Central heating systems
- Air conditioning systems
- Ventilation systems
- Pumping stations
- Boiler rooms
Public procurement
No recorded participation in tenders.
Hydro-Ok is the contractor in one public sector contract, worth USD 25.47k.
| Signed on | Subject | Amount | Public buyer | |
|---|---|---|---|---|
| Jul 23, 2026 | Preparation of complete design documentation, including obtaining the necessary approvals, opinions and administrative decisions, including the final building permit decision, for the project "Wykonanie dokumentacji projektowej instalacji tryskaczowej i instalacji hydrantowej dla budynku Teatru im. Julusza Słowackiego w Krakowie" | $25,473 | Teatr Im.Juliusza Słowackiego w Krakowie |
Authorized Representatives
Manner of representation
In the case of a multi-member management board, each member of the management board is independently authorized to make declarations of will on behalf of the company.
Ownership
| Owner | Shares | Share value | Stake |
|---|---|---|---|
Mariusz Leszek Dudziakage 60 | 48 | $12,965.96 | 96% |
Others | 2 | $540.25 | 4% |
Beneficial owners
| Person | Rights |
|---|---|
Bank accounts
Registered as a VAT taxpayer on 2017-06-21.
58 1050 1445 1000 0090 8018 7140
62 1050 1445 1000 0090 8018 7165
84 1050 1445 1000 0090 8018 7157
Debt
No entries in the National Debtors Register (KRZ).
Public aid
8 public aid cases recorded, with a total value of $107,203.
| Grant date | Purpose | Gross amount | Granting body | |
|---|---|---|---|---|
| Oct 30, 2024 | De minimis aid (in accordance with Commission Regulation 2023/2831) | $5,118$5,118 | Prezes Zakładu Ubezpieczeń Społecznych | |
| Nov 23, 2023 | De minimis aid (in accordance with Commission Regulation No 1407/2013 or earlier) | $101$101 | URZĄD SKARBOWY KRAKÓW-PRĄDNIK | |
| May 18, 2023 | De minimis aid (in accordance with Commission Regulation No 1407/2013 or earlier) | $8,844$8,844 | Prezes Zakładu Ubezpieczeń Społecznych |
Competitors
| Name | Revenue | Website | ||
|---|---|---|---|---|
| Hydro-Projectsp. z o.o. | $2,431,337.91 | hydro-project.pl | ||
| Enbra Polskasp. z o.o. | $1,934,083.60 | enbra.pl | ||
| Ecopartnerssp. z o.o. | $1,730,189.91 | ecopartners.pl | ||
| Limbudsp. z o.o. | $1,566,310.75 | limbud.pl | ||
| W.H Groupsp. z o.o. | $1,073,603.40 | whgroup.pl | ||
| Comfort Prosp. z o.o. | $766,442.94 | cppi.pl | ||
| Leste Greensp. z o.o. | $616,660.68 | leste-green.pl | ||
| Ogrzewaniedomu24sp. z o.o. | $604,329.27 | ogrzewaniedomu24.pl | ||
| Witek Instalacjesp. z o.o. | $471,243.49 | witek-instalacje.pl | ||
| Powerconsp. z o.o. | $391,242.79 | powercon.pl |
Change history
| Date | Event | |
|---|---|---|
| 2024-06-18 | Address change (Ul. Powstańców 66, 31-670, Kraków → Ul. Półłanki 84, 30-740, Kraków) | |
| 2017-05-22 | Entered in the register |
FAQ
Last updated: 2026-07-16