Sinmagsp. z o.o.
Building works related to erection of residential and non-residential buildings
Overview
Sinmag is a construction company that provides comprehensive services for development projects, including building residential buildings, homes, and estates. They also offer equipment rental and specialize in various construction activities such as earthworks, roofing, and road construction. Additionally, Sinmag ensures high-quality execution and compliance with safety and environmental regulations.
Financials
Revenue history (in k)
Data and insights are generated automatically based on financial statements and may contain errors. This analysis is for informational purposes only and does not constitute an official assessment of the company's credibility or business advice.
Statistics
How the company ranks by revenue within its industry, region and across Poland in 2025.
Results vs industry
Industry
Bank accounts
Registered as a VAT taxpayer on 2015-07-09. Active
39 1020 2137 0000 9402 0172 5126
Debt
No entries in the National Debtors Register (KRZ). No proceedings in KRZ
Public aid
4 public aid cases recorded, with a total value of $4,090.
| Grant date | Purpose | Gross amount | Granting body | |
|---|---|---|---|---|
| Sep 20, 2020 | Aid compensating for the negative economic consequences of COVID-19, granted in limited amounts | $1,203$1,203 | Prezes Zakładu Ubezpieczeń Społecznych | |
| Jun 20, 2020 | Aid compensating for the negative economic consequences of COVID-19, granted in limited amounts | $794$794 | Prezes Zakładu Ubezpieczeń Społecznych | |
| May 11, 2020 | Aid compensating for the negative economic consequences of COVID-19, granted in limited amounts | $1,282$1,282 | STAROSTA POWIATU BOLESŁAWIEC |
Tenders
No recorded participation in tenders.
Regulatory authorisations
| Authority | Type | Status | |
|---|---|---|---|
 BDO | BDO register entry | Active |
Authorized Representatives
Manner of representation
Each member of the management board is authorised to make declarations of will on behalf of the company independently.
Ownership
| Owner | Shares | Share value | Stake |
|---|---|---|---|
Grzegorz Marcin Sinkowski (44) | 50 | $675.31 | 50% |
Mariusz Andrzej Sinkowski (42) | 50 | $675.31 | 50% |
Grzegorz Marcin Sinkowski and Mariusz Andrzej Sinkowski hold a combined 100% – the ownership structure indicates family control.
Beneficial owners
| Person | Rights | |
|---|---|---|
Grzegorz Marcin Sinkowski (44)  | Shareholder of a limited liability company, 2500.0 PLN | |
Mariusz Andrzej Sinkowski (42) | Shareholder of a limited liability company, 2500.0 PLN |
Competitors
| Name | Revenue | Website | ||
|---|---|---|---|---|
| Conedssp. z o.o. | $886,810.71 | coneds.pl | ||
| MSS Housesp. z o.o. | $736,932.23 | msshouse.pl | ||
| Cbudsp. z o.o. | $648,141.97 | cbud.pl | ||
| Magnitudosp. z o.o. | $621,948.12 | magnitudo.com.pl | ||
| Palbudsp. z o.o. | $607,968.41 | e-palbud.pl | ||
| ALEsp. k. | $548,997.76 | alesc.pl | ||
| RIMBsp. z o.o. | $492,766.54 | rimb.pl | ||
| Construccionsp. z o.o. | $422,604.48 | construccion.pl | ||
| Sororesp. z o.o. | $288,288.24 | sorore.pl | ||
| Murdach Pl sp. z o.o.sp. k. | $258,195.00 | murdach-polska.pl |
Change history
| Date | Event | |
|---|---|---|
| 2023-08-09 | Address change (Ul. Franciszka Salezego Jezierskiego 22/1, 59-700, Bolesławiec → Ul. Dolne Młyny 42, 59-700, Bolesławiec) | |
| 2021-12-10 | PKD change (Removed: 41.10.Z; Added: 41.20.Z, 43.12.Z, 43.29.Z, 43.31.Z, 43.39.Z, 43.91.Z, 43.99.Z, 49.41.Z, 77.32.Z, 77.39.Z) | |
| 2016-12-13 | Address change (157a, 59-730, Czerna → Ul. Franciszka Salezego Jezierskiego 22/1, 59-700, Bolesławiec) | |
| 2016-12-13 | Name change (Mgs-Bud → Sinmag) | |
| 2015-06-25 | Entered in the register |
FAQ
Last updated: 2026-05-26