Overview
Status
Active
Registry date
2024-04-25
Share capital
5,000.00 PLN
Registered address
ul. Polna 15, 99-120 Piątek, Poland
Email
Financials
Revenue history
Filing timeliness
1 of 2 financial statements was filed late (for 2024, 10 days late).
- 202515/07/2026
- 202425/07/2025
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.
Industry
Authorized Representatives
Grzegorz Marcin Sieradzki – President of the Management Board
Katarzyna Sieradzka – Management Board Member
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 |
|---|---|---|---|
Katarzyna Sieradzkaage 37 | 50 | $675.31 | 50% |
Grzegorz Marcin Sieradzkiage 41 | 50 | $675.31 | 50% |
Grzegorz Marcin Sieradzki and Katarzyna Sieradzka hold a combined 100% – the ownership structure indicates family control.
Beneficial owners
| Person | Rights |
|---|---|
Bank accounts
Registered as a VAT taxpayer on 2024-07-01.
75 1020 3440 0000 7102 0337 4717
Debt
No entries in the National Debtors Register (KRZ).
Public aid
No public aid cases recorded in the last 10 years.
Competitors
| Name | Revenue | Website | ||
|---|---|---|---|---|
| ON Technologysp. z o.o. | $1,126,586.47 | ontechnology.pl | ||
| Solar Partnersp. z o.o. | $894,044.03 | solarpartner.com.pl | ||
| Anmar Systemsp. z o.o. | $437,430.36 | anmarsystem.com.pl | ||
| Geoclimasp. z o.o. | $319,789.01 | geoclimaspzoo.com | ||
| Solum Service Łukasz MłynarskiS.K.A. | $192,853.64 | solumservice.com | ||
| Flexservice Air & Energysp. z o.o. | $96,061.16 | flexservice.com.pl | ||
| Instpolsp. z o.o. | $64,017.66 | instpol.pl | ||
| Eleven Pointssp. z o.o. | $43,193.37 | elevenpoints.pl | ||
| Przedsiębiorstwo Ata-Wentsp. j. | – | atawent.pl | ||
| Zakład Usług Ciepłowniczych Termokon Maciej Piotrowski, Dorota Piotrowskasp. j. | – | termokon.com.pl |
FAQ
The main business activity of Hydro-Instal Sieradzki focuses on plumbing, heat and air-conditioning installation.
The company was registered in the Polish National Court Register (KRS) on April 25, 2024.
The headquarters is located at: ul. Polna 15, 99-120 Piątek.
The management board consists of: Grzegorz Marcin Sieradzki (President of the Management Board) and Katarzyna Sieradzka (Member of the Management Board).
The share capital of the company is PLN 5,000 (approx. $1,351).
The latest available financial statement covers the period from January 1, 2025 to December 31, 2025.
No, in 2025 the company was not profitable, reporting a net loss of $17,105.
Last updated: 2026-07-15