What is the main business of Hydro-Service Kozak?

The main business activity of Hydro-Service Kozak focuses on plumbing, heat and air-conditioning installation.

When was the company founded?

The company was registered in the Polish National Court Register (KRS) on April 28, 2023.

Where is the headquarters located?

The headquarters is located at: ul. Obrzycka 56, 64-600 Oborniki.

What is the share capital?

The share capital of the company is PLN 64,000 (approx. $17,288).

What period do the latest financial data cover?

The latest available financial statement covers the period from January 1, 2025 to December 31, 2025.

What was the revenue?

In 2025, the company generated total revenue of USD 2,933,851, representing an increase of 15.0% compared to 2024.

Yes, the company recorded a net profit of USD 106,713 in 2025, meaning the company decreased its profit by 62.4%.

What is the largest operating cost?

The largest operating cost category falls under external services. This category amounted to USD 1,350,840 in 2025, representing 49% of all operating expenses.

Hydro-Service Kozaksp. z o.o.

Plumbing, heat and air-conditioning installation

KRS: NIP: REGON:

Overview

Status

Active

Registry date

2023-04-28

Share capital

64,000.00 PLN

Registered address

ul. Obrzycka 56, 64-600 Oborniki, Poland

Electronic delivery address

AE:PL-23457-11821-WDDFU-16

Financials

Revenue history (in k)

Filing timeliness

2 of 3 financial statements were filed late (the longest delay 49 days for 2025).

202502/09/2026
202408/07/2025
202301/08/2024

Filed on timeDelayFiling deadline

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

Revenue

This companyUSD 2.93mMedianUSD 332.23kAverageUSD 1.34m

Net profit

This companyUSD 106.71kMedianUSD 13.85kAverageUSD 74.97k

Operating costs

This companyUSD 2.78mMedianUSD 302.34kAverageUSD 1.23m

Assets

This companyUSD 1.03mMedianUSD 193.21kAverageUSD 867.34k

Industry

Authorized Representatives

Michał Błażej Kozak – President

Jan Piotr Kozak – Attorney-in-fact (sole)

Manner of representation

In the case of a multi-member management board, each member of the management board is authorised to make declarations on behalf of the company independently.

Ownership

Owner	Shares	Share value	Stake
Jan Piotr Kozak	50	$8,643.98	50%
Michał Błażej Kozakage 38	50	$8,643.98	50%

Jan Piotr Kozak and Michał Błażej Kozak hold a combined 100% – the ownership structure indicates family control.

Beneficial owners

Person	Rights

Bank accounts

Registered as a VAT taxpayer on 2006-12-21.

PKO Bank Polski
18 1020 4128 0000 1102 0041 4193

Debt

No entries in the National Debtors Register (KRZ).

Public aid

24 public aid cases recorded, with a total value of $133,072.

Grant date	Purpose	Gross amount	Granting body
Apr 14, 2026	De minimis aid (in accordance with Commission Regulation 2023/2831)	––	Prezes Banku Gospodarstwa Krajowego
Jan 22, 2026	De minimis aid (in accordance with Commission Regulation 2023/2831)	––	Wojewódzki Komendant Wielkopolskiej Komendy OHP
Nov 6, 2025	De minimis aid (in accordance with Commission Regulation 2023/2831)	––	Burmistrz Miasta Oborniki

Regulatory authorisations

Authority	Type	Status
BDO	BDO register entry	Active

Competitors

Name	Revenue	Website
Orion ConstructionS.A.	$5,340,052.86	orionconstruction.eu
Folrecsp. z o.o.	$4,599,424.77	folrec.pl
ARIS Groupsp. z o.o.	$2,925,582.26	aris.org.pl
KINA Instalacjesp. z o.o.	$2,351,929.08	kinainstalacje.com.pl
Systherm Techniksp. z o.o.	$1,897,612.46	systherm.pl
M2streamsp. z o.o.	$1,841,632.45	m2stream.pl
Flixhome Instalacjesp. z o.o.	$1,670,957.89	instalacje.flixhome.pl
ECO Partner Ogrzewaniesp. z o.o.	$1,550,613.13	najtanszeogrzewanie.pl
Technologia-Plussp. z o.o.	$1,522,122.16	technologia-plus.pl
Thermgazsp. z o.o.	$1,269,054.04	thermgaz.pl