SIsp. z o.o.
Activities of head office and holding companies, excluding financial holding companies
Overview
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 2019-12-03. Active
Debt
No entries in the National Debtors Register (KRZ). No proceedings in KRZ
Public aid
No public aid cases recorded in the last 10 years.
Tenders
No recorded participation in tenders.
Authorized Representatives
Manner of representation
If a one-person management board is appointed – the President of the Management Board independently. If a multi-member management board is appointed – the President of the Management Board independently, or a member of the management board together with a commercial proxy, or joint action by a member of the management board with another member of the management board.
Ownership
| Owner | Shares | Share value | Stake |
|---|---|---|---|
Elżbieta Sierocka (57) | 27,020 | $364,937.87 | 25% |
Paweł Artur Sierocki (36) | 81,060 | $1,094,813.61 | 75% |
Paweł Artur Sierocki and Elżbieta Sierocka hold a combined 100% – the ownership structure indicates family control.
Beneficial owners
| Person | Rights | |
|---|---|---|
Paweł Artur Sierocki (36)  | Shareholder of a limited liability company, 4053000.0 PLN |
Subsidiaries
| Name | Share value | Stake | ||
|---|---|---|---|---|
Zakład Górniczy Komańcza - Jaworniksp. z o.o. | 776,715.29 USD | 100% | ||
SiitS.A. | 27,012.43 USD | 100% | ||
El-Trans Quarry Machinerysp. z o.o. | 13,506.21 USD | 100% |
Competitors
| Name | Revenue | Website | ||
|---|---|---|---|---|
| Ursatjew I Wspólnicysp. j. | $788,107.72 | nelsa.pl | ||
| Net-Instalsp. z o.o. | $753,641.51 | net-instal.pl | ||
| FrachtS.A. | $734,904.58 | fracht.pl | ||
| Elbrus Real Estate Polandsp. z o.o. | $706,676.69 | elbrusgreenenergy.com | ||
| Grupa NiewiadówS.A. | $681,905.16 | grupaniewiadow.pl | ||
| Vicis New InvestmentsS.A. | $645,906.58 | vicis.pl | ||
| Plast-Bud Bissp. z o.o. | $624,144.61 | plast-bud.com | ||
| Grupa Coraz Lepsza FirmaS.A. | $583,504.63 | grupaclf.pl | ||
| M&M Biuro Rachunkowesp. z o.o. | $24,154.35 | mmksiegowosc.pl | ||
| Newlinksp. z o.o. | $375.95 | newlink.house |
Change history
| Date | Event | |
|---|---|---|
| 2024-11-13 | Share capital change (5,050.00 PLN → 5,404,000.00 PLN) | |
| 2022-05-19 | Share capital change (5,000.00 PLN → 5,050.00 PLN) | |
| 2021-10-27 | PKD change (Removed: 45.20.Z; Added: 46.71.Z) | |
| 2019-12-11 | Name change (El-Trans → Si) | |
| 2019-12-11 | PKD change (Removed: 45.11.Z, 45.19.Z, 49.41.Z; Added: 64.92.Z, 70.10.Z, 74.90.Z) |
FAQ
Last updated: 2026-06-22