EFK Developmentssp. z o.o.
Building works related to erection of residential and non-residential buildings
Overview
Financials
Revenue history (in k)
Filing timeliness
2 of 6 financial statements were filed late (the longest delay 13 days for 2021).
- 202503/06/2026
- 202412/06/2025
- 202308/07/2024
- 202221/07/2023
- 202128/07/2022
- 202015/10/2021
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
Authorized Representatives
Manner of representation
In the case of a one-person management board, the member of the management board makes declarations on behalf of the company. In the case of a management board consisting of two or more persons, joint action by two members of the management board or by one member of the management board jointly with a commercial proxy is required to make declarations on behalf of the company.
Ownership
| Owner | Shares | Share value | Stake |
|---|---|---|---|
Ewa Kolasińskaage 43 | 50 | $675.31 | 50% |
Filip Konstanty Kolasińskiage 43 | 50 | $675.31 | 50% |
Ewa Kolasińska and Filip Konstanty Kolasiński hold a combined 100% – the ownership structure indicates family control.
Beneficial owners
| Person | Rights |
|---|---|
Subsidiaries
Bank accounts
Registered as a VAT taxpayer on 2015-07-10.
55 1020 1491 0000 4002 0111 2689
53 1140 2004 0000 3202 7821 0249
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 | ||
|---|---|---|---|---|
| Auto Powersp. z o.o. | $225,134.55 | remontypoznan.eu | ||
| Project-Airsp. z o.o. | $224,139.52 | project-air.com.pl | ||
| Pasywny M2sp. z o.o. | $213,435.44 | pasywnym2.pl | ||
| PMB Dewelopersp. z o.o. | $92,799.19 | pmbdeweloper.pl | ||
| MWLsp. z o.o. | $47,105.55 | mwl.com.pl | ||
| Sims Housesp. z o.o. | $13,001.10 | simshouse.pl | ||
| Apartamenty Widok 800sp. z o.o. | $2,146.05 | widok800.pl | ||
| UWI Inwestycje Śmiały 3sp. k. | $284.09 | uwi.com.pl | ||
| JACK - Bud Polskasp. z o.o. | $0.26 | jack-bud.com.pl | ||
| AM Studio Companysp. z o.o. | $0.11 | amstudio.com.pl |
Change history
| Date | Event | |
|---|---|---|
| 2021-08-12 | Address change (Ul. Litewska 17/2, 60-605, Poznań → Ul. Stanisława Wyspiańskiego 10/4, 60-749, Poznań) | |
| 2020-04-08 | Business resumed | |
| 2018-11-15 | Business suspended | |
| 2016-12-16 | Address change (Ul. Rynarzewska 3/19, 60-133, Poznań → Ul. Litewska 17/2, 60-605, Poznań) | |
| 2015-07-10 | Entered in the register |
FAQ
Last updated: 2026-06-03