JS Invest Groupsp. z o.o.
Building works related to erection of residential and non-residential buildings
Overview
Financials
Revenue history (in k)
Filing timeliness
1 of 6 financial statements was filed late (for 2023, 218 days late).
- 202501/07/2026
- 202414/07/2025
- 202318/02/2025
- 202229/06/2023
- 202125/05/2022
- 202011/06/2021
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
20 tenders recorded as contractor, with a total value of $9,201,220.
| Publication date | Subject | Amount | Contracting authority | |
|---|---|---|---|---|
| Oct 1, 2026 | Modernisation of the building at ul. Toszecka 2B - reconstruction of the ceilings and rebuilding of the roof truss - construction works | –– | Miasto Gliwice | |
| May 13, 2026 | “Preparation of design documentation and construction works in the Żłobek Miejski building at ul. Marcinkowskiego 13 in Katowice, | $212.3K$212,277 | Katowickie Inwestycje S.A. | |
| Oct 17, 2025 | „Modernisation of the machining hall - hall no. 2 at Górnośląskie Centrum Edukacyjne for vocational training in the mechanical-mechatronics sector” on a design-and-build basis. | $1.2M$1,243,399 | Miasto Gliwice |
Authorized Representatives
Manner of representation
In the case of a one-person management board, declarations on behalf of the company are made by the member of the management board. In the case of a multi-member management board, 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 |
|---|---|---|---|
Grażyna Sielańczykage 66 | 8,000 | $108,049.70 | 20% |
Jacek Sielańczykage 42 | 32,000 | $432,198.81 | 80% |
Jacek Sielańczyk and Grażyna Sielańczyk hold a combined 100% – the ownership structure indicates family control.
Beneficial owners
| Person | Rights |
|---|---|
Subsidiaries
| Name | Share value | Stake | ||
|---|---|---|---|---|
Fuerte Investmentsp. z o.o. | 1,080,497.03 USD | 100% |
Bank accounts
Registered as a VAT taxpayer on 2021-11-23.
80 1050 1298 1000 0090 3282 4550
40 2530 0008 2007 1082 7578 0001
Debt
No entries in the National Debtors Register (KRZ).
Real estate
| Type | Amount |
|---|---|
Investment property | PLN 94,436PLN 94,436 |
Public aid
| Grant date | Purpose | Gross amount | Granting body | |
|---|---|---|---|---|
| Aug 22, 2024 | De minimis aid (in accordance with Commission Regulation 2023/2831) | $21,264$21,264 | Prezes Banku Gospodarstwa Krajowego | |
| Aug 18, 2023 | De minimis aid (in accordance with Commission Regulation No 1407/2013 or earlier) | $4,442$4,442 | Prezes Banku Gospodarstwa Krajowego | |
| Aug 25, 2022 | De minimis aid (in accordance with Commission Regulation No 1407/2013 or earlier) | $2,991$2,991 | Prezes Banku Gospodarstwa Krajowego |
Regulatory authorisations
| Authority | Type | Status | |
|---|---|---|---|
 BDO | BDO register entry | Active |
Competitors
| Name | Revenue | Website | ||
|---|---|---|---|---|
| MR Constructionsp. z o.o. | $3,771,915.29 | mrconstruction.pl | ||
| Voyarsp. z o.o. | $1,192,414.52 | voyar.pl | ||
| MD Domsp. z o.o. | $1,157,343.38 | mddom.pl | ||
| Rekon-Techsp. z o.o. | $1,077,766.21 | rekon-tech.pl | ||
| Bud-Certsp. z o.o. | $1,057,254.92 | bud-cert.pl | ||
| TD Serwissp. z o.o. | $1,003,307.00 | tdserwis.com | ||
| Silesia ParkS.A. | $956,958.02 | silesiapark.pl | ||
| Experion Investsp. z o.o. | $253,928.58 | experion.pl | ||
| WKM Investsp. z o.o. | $214,712.69 | wkminvest.pl | ||
| Makrohouse Developmentsp. z o.o. | $196,081.87 | makrohouse.pl |
Change history
| Date | Event | |
|---|---|---|
| 2025-07-23 | Address change (Ul. Chorzowska 44c, 44-100, Gliwice → Ul. Zabrska 39d, 44-100, Gliwice) | |
| 2022-05-31 | Share capital increase (5,000.00 PLN → 2,000,000.00 PLN) | |
| 2022-02-16 | Address change (Ul. Chorzowska 44b, 44-100, Gliwice → Ul. Chorzowska 44c, 44-100, Gliwice) | |
| 2022-02-16 | PKD change (Removed: 6 codes; Added: 5 codes) | |
| 2021-11-19 | Address change (Ul. Siemońska 2/9, 42-500, Będzin → Ul. Chorzowska 44b, 44-100, Gliwice) |
FAQ
Last updated: 2026-07-04