Overview
Financials
Revenue history (in k)
Filing timeliness
3 of 6 financial statements were filed late (the longest delay 73 days for 2021).
- 202522/06/2026
- 202404/08/2025
- 202304/07/2024
- 202215/04/2023
- 202126/09/2022
- 202009/11/2021
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
Public procurement
1 tender recorded as contractor, with a total value of $97,419.
| Publication date | Subject | Amount | Contracting authority | |
|---|---|---|---|---|
| Mar 23, 2024 | Performance of building protection works at ul. Przędzalniana 101/103 in Łódź – roof covering | $97,419$97,419 | Widzewskie Towarzystwo Budownictwa Społecznego sp. z o.o. |
Authorized Representatives
Manner of representation
The following is authorised to sign and make declarations of will on behalf of the company: in the case of a one-person management board, the sole member acting on the management board; in the case of a multi-member management board, up to the amount of PLN 500,000 (five hundred thousand zlotys), each member of the management board is authorised to act independently; above this amount, the joint action of at least two members of the management board is required.
Ownership
| Owner | Shares | Share value | Stake |
|---|---|---|---|
Elżbieta Gronertage 74 | 150 | $2,025.93 | 45.4545% |
Piotr Konrad Gronertage 47 | 180 | $2,431.12 | 54.5455% |
Piotr Konrad Gronert and Elżbieta Gronert hold a combined 100% – the ownership structure indicates family control.
Beneficial owners
| Person | Rights |
|---|---|
Bank accounts
Registered as a VAT taxpayer on 2017-07-01.
42 1020 3352 0000 1102 0228 4115- 57 1020 1068 0000 1702 0355 0068
- 95 1020 1068 0000 1002 0404 1711
Debt
No entries in the National Debtors Register (KRZ).
Public aid
19 public aid cases recorded, with a total value of $375,252.
| Grant date | Purpose | Gross amount | Granting body | |
|---|---|---|---|---|
| Dec 22, 2025 | De minimis aid (in accordance with Commission Regulation 2023/2831) | $2,210$2,210 | Prezes Banku Gospodarstwa Krajowego | |
| Mar 26, 2025 | De minimis aid (in accordance with Commission Regulation 2023/2831) | $6,554$6,554 | HRP Czernecka, Jaszczyński sp. j. | |
| Dec 16, 2024 | De minimis aid (in accordance with Commission Regulation 2023/2831) | $7,517$7,517 | Łódzka Specjalna Strefa Ekonomiczna S.A. |
European Funds
| Start | Project | EU co-financing | Programme | |
|---|---|---|---|---|
| 2023-05-01 | Use of advanced ICT solutions to implement innovative service delivery processes and enhance the competitiveness of "ERG CONSTRUCTION" sp. z o.o. | $121.3K$121,330 | Regional Operational Programme of the Łódź Voivodeship for 2014–2020 |
Regulatory authorisations
| Authority | Type | Status | |
|---|---|---|---|
 BDO | BDO register entry | Active |
Competitors
| Name | Revenue | Website | ||
|---|---|---|---|---|
| Tymienieckiego 33a Framsp. z o.o. + limited partnership | $10,896,757.51 | tymienieckiego33.pl | ||
| PD Projekt 5S.A. | $5,297,202.62 | profitdevelopment.com.pl | ||
| Tibi Developmentsp. z o.o. | $2,760,269.27 | tibidevelopment.pl | ||
| Knowersp. z o.o. | $36,564.54 | knower.pl | ||
| Dynamix Betasp. z o.o. | – | dynamix.pl | ||
| Dynamix Deltasp. z o.o. | – | dynamix.pl | ||
| Dynamix Gammasp. z o.o. | – | dynamix.pl | ||
| PSP Inwestycje 3sp. z o.o. | – | pspinwestycje.pl | ||
| MMS Dewelopersp. z o.o. | – | osiedlewysockiego.pl | ||
| Willa Herbsta Residencesp. z o.o. | – | willaherbsta.com |
Change history
| Date | Event | |
|---|---|---|
| 2025-04-22 | PKD change (Removed: 41.10.Z, 43.91.Z, 46.73.Z, 68.10.Z, 74.10.Z, 96.09.Z; Added: 43.41.Z, 46.83.Z, 68.11.Z, 68.12.A, 74.14.Z, 96.99.Z) | |
| 2024-08-07 | Share capital change (15,000.00 PLN → 16,500.00 PLN) | |
| 2024-08-07 | Name change ("erg Construction" → Erg Construction) | |
| 2018-06-21 | Address change (Ul. Mikołaja Kopernika 15/17, 90-503, Łódź → Ul. Strusia 18, 91-503, Łódź) | |
| 2016-12-22 | Address change (Piłsudskiego 18, 95-060, Brzeziny → Ul. Mikołaja Kopernika 15/17, 90-503, Łódź) |
FAQ
Last updated: 2026-10-07