Prost-KEY Packaging Sobolewscysp. j.
Manufacture of corrugated paper and paperboard and of containers of paper and paperboard
Overview
Financials
Revenue history (in m)
From the notes
| Current income tax (CIT due) | $0 |
Filing timeliness
1 of 6 financial statements was filed late (for 2021, 70 days late). All were audited by a statutory auditor.
- 202502/07/2026
- 202403/07/2025
- 202328/06/2024
- 202227/06/2023
- 202123/09/2022
- 202030/06/2021
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
Prost-KEY Packaging Sobolewscy is the contractor in one public sector contract, worth USD 7.79.
| Signed on | Subject | Amount | Public buyer | |
|---|---|---|---|---|
| Sep 25, 2026 | Doypack 250 ml spout pouch | $7.79 | Uniwersytet Warmińsko-Mazurski w Olsztynie |
Trademarks
Prost-KEY Packaging Sobolewscy holds 2 active trademarks registered with the Polish Patent Office. The first mark was filed in 2025.
| Mark | Number | Classes | Status | Protected until | |
|---|---|---|---|---|---|
| PROST-KEY packaging | Z.591164 | 16, 35 | Protected | Sep 26, 2035 | |
| PAN KARTON KRÓL PAKOWANIA | Z.588790 | 16, 35 | Protected | Aug 12, 2035 |
| Mark | Protected until | |
|---|---|---|
| PROST-KEY packaging | Sep 26, 2035 | |
| PAN KARTON KRÓL PAKOWANIA | Aug 12, 2035 |
Ownership
| Owner |
|---|
Andrzej Sobolewskiage 41 |
Marek Sobolewskiage 44 |
Stanisław Aleksander Sobolewskiage 72 |
Manner of representation
To make declarations of will and sign on behalf of the company, Mr Stanisław Sobolewski is authorized independently, or Mr Andrzej Sobolewski jointly with Mr Marek Sobolewski.
Andrzej Sobolewski, Marek Sobolewski and Stanisław Aleksander Sobolewski – all partners share the same surname, so the structure looks family-owned.
Beneficial owners
| Person | Rights |
|---|---|
Bank accounts
Registered as a VAT taxpayer on 2011-12-15.
Debt
No entries in the National Debtors Register (KRZ).
Real estate
| Type | Amount |
|---|---|
Land (incl. perpetual usufruct) | $270.1K$270,106 |
Buildings and premises | $6.6M$6,596,909 |
Public aid
135 public aid cases recorded, with a total value of $4,858,916.
| Grant date | Purpose | Gross amount | Granting body | |
|---|---|---|---|---|
| Sep 3, 2026 | Aid in the form of wage subsidies for employing workers with disabilities | –– | Prezes Zarządu Państwowego Funduszu Rehabilitacji Osób Niepełnosprawnych | |
| Aug 6, 2026 | Aid in the form of wage subsidies for employing workers with disabilities | –– | Prezes Zarządu Państwowego Funduszu Rehabilitacji Osób Niepełnosprawnych | |
| Jul 9, 2026 | Aid in the form of wage subsidies for employing workers with disabilities | –– | Prezes Zarządu Państwowego Funduszu Rehabilitacji Osób Niepełnosprawnych |
European Funds
| Start | Project | EU co-financing | Programme | |
|---|---|---|---|---|
| 2017-09-01 | Implementation of R&D results concerning corrugated cardboard packaging for the food industry at PROST-KEY PACKAGING | $3.9M$3,886,111 | Operational Programme Smart Growth | |
| 2017-05-15 | Poprawa konkurencyjności firmy PROST–KEY PACKAGING SOBOLEWSCY SPÓŁKA JAWNA poprzez nowoczesne wzornictwo | $10,800$10,800 | Operational Programme Eastern Poland |
Regulatory authorisations
| Authority | Type | Status | |
|---|---|---|---|
 BDO | BDO register entry | Active |
Competitors
| Name | Revenue | Website | ||
|---|---|---|---|---|
| PromarS.A. | $21,939,698.15 | promarjarocin.pl | ||
| UnipacoS.A. | $20,554,055.30 | unipaco.com | ||
| PackhelpS.A. | $18,354,597.47 | zapakuj.to | ||
| Walki EkopakS.A. | $17,736,078.65 | walki.com | ||
| Inter-Pack Poloniasp. z o.o. | $15,473,348.88 | inter-pack.com.pl | ||
| Intro-Packmansp. z o.o. | $14,110,162.07 | packman.pl | ||
| Kamix Opakowaniasp. z o.o. | $13,920,846.06 | kamix.biz.pl | ||
| Prestonsp. z o.o. | $13,075,509.15 | preston.pl | ||
| Armapak sp. z o.o.sp. k. | $12,804,227.92 | armapak.pl | ||
| Solidbox Gołbasp. j. | $12,081,235.80 | solidbox.pl |
Change history
| Date | Event | |
|---|---|---|
| 2015-03-18 | Name change ("prost-Key Packaging Sobolewscy Spółka Jawna" → Prost-Key Packaging Sobolewscy) | |
| 2015-03-18 | PKD change (Added: 9 codes) | |
| 2014-12-22 | Business resumed | |
| 2014-01-03 | Business suspended | |
| 2013-12-09 | Business resumed |
FAQ
Last updated: 2026-09-29