Overview
Dalsan has operated in Warsaw since 1987, building water and sewer connections as well as external water and sewer networks. The company designs water and sewer systems, carries out drainage works and district heating networks, and also builds connections and networks using trenchless tunnelling methods.
Financials
Revenue history (in k)
From the notes
| Profit allocation | Loss covered |
Filing timeliness
1 of 6 financial statements was filed late (for 2021, 76 days late).
- 202516/06/2026
- 202407/07/2025
- 202309/07/2024
- 202206/06/2023
- 202129/09/2022
- 202001/10/2021
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, city, voivodeship and across Poland in 2025.
Results vs industry
Industry
Offer
- Water connections
- Sewer connections
- External water networks
- External sewer networks
- Sanitary installations
- Heating networks
- Water and sewer system design
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 |
|---|---|---|---|
Lech Andrzej Czerskiage 72 | 24 | $4,538.09 | 24% |
Piotr Krzysztof Czerskiage 42 | 76 | $14,370.61 | 76% |
Piotr Krzysztof Czerski and Lech Andrzej Czerski hold a combined 100% – the ownership structure indicates family control.
Beneficial owners
| Person | Rights |
|---|---|
Debt
No entries in the National Debtors Register (KRZ).
Public aid
5 public aid cases recorded, with a total value of $21,423.
| Grant date | Purpose | Gross amount | Granting body | |
|---|---|---|---|---|
| Sep 20, 2020 | Aid compensating for the negative economic consequences of COVID-19, granted in limited amounts | $559$559 | Prezes Zakładu Ubezpieczeń Społecznych | |
| Jun 20, 2020 | Aid compensating for the negative economic consequences of COVID-19, granted in limited amounts | $559$559 | Prezes Zakładu Ubezpieczeń Społecznych | |
| May 19, 2020 | Aid compensating for the negative economic consequences of COVID-19, granted in limited amounts | $18,462$18,462 | Polski Fundusz Rozwoju S.A. |
Regulatory authorisations
| Authority | Type | Status | |
|---|---|---|---|
 BDO | BDO register entry | Active |
Competitors
| Name | Revenue | Website | ||
|---|---|---|---|---|
| Mazissp. z o.o. | $397,413.82 | mazis.pl | ||
| Bygger Polskasp. z o.o. | $386,965.13 | byggerpolska.pl | ||
| DG Systemsp. z o.o. | $383,814.90 | dgsystem.com.pl | ||
| SAN T&Msp. z o.o. | $218,477.72 | santom.pl | ||
| Wojewódzki Serwissp. z o.o. | $202,505.20 | wojewodzki.com.pl | ||
| Dantech Polskasp. z o.o. | $170,075.69 | xn--klimatyzacja-pock-g4c.pl | ||
| Zrobimy Tosp. z o.o. | $136,751.47 | sprawdzony-hydraulik.pl | ||
| HRJsp. z o.o. | $124,162.20 | hrj.com.pl | ||
| WMD Instalsp. z o.o. | $122,901.52 | wmdinstal.pl | ||
| Ha-Dwa-Osp. z o.o. | $114,794.53 | ha-dwa-o.pl |
Change history
| Date | Event | |
|---|---|---|
| 2018-07-26 | PKD change (Added: 43.22.Z) | |
| 2014-07-31 | Entered in the register |
FAQ
Last updated: 2026-06-16