Overview
4developments prepares construction investments, develops multidisciplinary building documentation and obtains the required permits. The company manages real estate investment projects and provides substitute investor services, investor supervision, construction consulting and energy performance certificates.
Financials
Revenue history (in k)
Filing timeliness
2 of 6 financial statements were filed late (the longest delay 91 days for 2021).
- 202515/06/2026
- 202411/07/2025
- 202309/07/2024
- 202202/07/2023
- 202114/10/2022
- 202018/10/2021
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, region and across Poland in 2025.
Results vs industry
Industry
Offer
- Investment preparation
- Investment design
- Project management
- Investor representation
- Investor supervision
- Energy performance certificates
- Construction consulting
Authorized Representatives
Manner of representation
Each member of the management board is authorized to represent the company, make declarations and sign on behalf of the company independently.
Ownership
| Owner | Shares | Share value | Stake |
|---|---|---|---|
Oliwia Ewa Kostarczykage 47 | 10 | $135.06 | 10% |
Roger Antoni Kostarczykage 52 | 90 | $1,215.56 | 90% |
Roger Antoni Kostarczyk and Oliwia Ewa Kostarczyk hold a combined 100% – the ownership structure indicates family control.
Beneficial owners
| Person | Rights |
|---|---|
Bank accounts
Registered as a VAT taxpayer on 2010-04-01.
55 1050 1764 1000 0090 7365 7067
Debt
No entries in the National Debtors Register (KRZ).
Public aid
10 public aid cases recorded, with a total value of $80,917.
| Grant date | Purpose | Gross amount | Granting body | |
|---|---|---|---|---|
| Jun 15, 2026 | De minimis aid (in accordance with Commission Regulation 2023/2831) | $8,752$8,752 | PREZYDENT MIASTA GDAŃSK | |
| Dec 5, 2024 | De minimis aid (in accordance with Commission Regulation 2023/2831) | $532$532 | Ośrodek Doradztwa I Treningu Kierowniczego | |
| Nov 26, 2024 | De minimis aid (in accordance with Commission Regulation 2023/2831) | $0$0 | Ośrodek Doradztwa I Treningu Kierowniczego |
Competitors
| Name | Revenue | Website | ||
|---|---|---|---|---|
| Altro Projektsp. z o.o. | $1,548,991.06 | altro-projekt.pl | ||
| Inbud Projektsp. z o.o. | $976,526.76 | inbud.bielsko.pl | ||
| Arch. P. M.sp. z o.o. + limited partnership | $808,792.89 | archpm.pl | ||
| BZB ProjektP.S.A. | $755,180.76 | bzbprojekt.pl | ||
| Lenstsp. z o.o. | $724,448.68 | lenst.pl | ||
| Polska Grupa Projektowo Wykonawczasp. z o.o. | $635,462.20 | pgpw.com.pl | ||
| JW Teamsp. z o.o. | $521,474.66 | jwteam.pl | ||
| Constructivasp. z o.o. | $512,626.83 | constructiva.pl | ||
| Firma Recordsp. z o.o. | $487,138.73 | record.gda.pl | ||
| Ecorensp. z o.o. | $388,874.74 | ecoren.com.pl |
FAQ
Last updated: 2026-06-15