Overview
S2 Kwadrat builds passive houses in developer condition and houses in shell condition in the West Pomeranian region. The company also works as a general contractor and substitute investor for construction projects. It provides construction supervision and acceptance inspections, and holds a European Passivehaus certificate.
Industry
Bank accounts
Registered as a VAT taxpayer on 2026-05-01. Active
74 1050 1559 1000 0090 8648 7791
Debt
No entries in the National Debtors Register (KRZ). No proceedings in KRZ
Public aid
No public aid cases recorded in the last 10 years.
Tenders
No recorded participation in tenders.
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 |
|---|---|---|---|
Jakub Krzysztof Berezowski (36) | 25 | $337.66 | 25% |
Mateusz Piotr Dubicki (41) | 25 | $337.66 | 25% |
Robert Marcin Siepracki (43) | 25 | $337.66 | 25% |
Szymon Siepracki (40) | 25 | $337.66 | 25% |
Robert Marcin Siepracki and Szymon Siepracki hold a combined 50% – the ownership structure indicates family control.
Beneficial owners
| Person | Rights | |
|---|---|---|
Jakub Krzysztof Berezowski (36)  | Shareholder of a limited liability company, 1250.0 PLN | |
Mateusz Piotr Dubicki (41) | Shareholder of a limited liability company, 1250.0 PLN | |
Robert Marcin Siepracki (43) | Shareholder of a limited liability company, 1250.0 PLN | |
Szymon Siepracki (40) | Shareholder of a limited liability company, 1250.0 PLN |
Competitors
| Name | Revenue | Website | ||
|---|---|---|---|---|
| Prestige Housesp. z o.o. | $4,549,048.20 | prestige-house.pl | ||
| Senn Development IVsp. z o.o. | $2,239,165.54 | senn.pl | ||
| SENN Development 5sp. z o.o. | $1,116,866.05 | senn.pl | ||
| SteedS.A. | $811,105.36 | steed.pl | ||
| Kompania Domowasp. z o.o. | $401,539.47 | kompaniadomowa.pl | ||
| Buders Grupasp. z o.o. | $200,983.21 | buders.pl | ||
| PRO Masovia Domysp. z o.o. | $109,311.47 | pmdomy.pl | ||
| Adaptuj Poddaszesp. z o.o. | $49,539.61 | adaptujpoddasze.pl | ||
| PD Projekt 24S.A. | $12,318.06 | profitdevelopment.com.pl | ||
| PD Projekt 22S.A. | $1,205.57 | profitdevelopment.com.pl |
FAQ
Last updated: 2026-04-27