Overview
Grinwen specializes in repairs of industrial installations in the energy sector, including waste incinerators and heating plants. It carries out inspections of boiler sections, desulfurization systems, water preparation and treatment stations, and electrical and automation equipment. The company also provides assembly work, parts supply, supervision, and work coordination in Poland and abroad.
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
Public procurement
3 tenders recorded as contractor, with a total value of $4,697,940.
| Publication date | Subject | Amount | Contracting authority | |
|---|---|---|---|---|
| Jul 9, 2025 | Wykonanie rocznego przeglądu okresowego w Zakładzie Unieszkodliwiania Odpadów w Szczecinie w 2025 roku. | $2.1M$2,136,502 | Zakład Unieszkodliwiania Odpadów sp. z o.o. | |
| Apr 9, 2025 | Rozruch instalacji absorbcyjnych pomp ciepła w celu uzyskania dodatkowej, minimalnej mocy cieplnej z 2 szt. pomp ciepła, w wysokości 2 MWt łącznie, po stronie dolnego źródła ciepła, w Zakładzie Unieszkodliwiania Odpadów w Szczecinie. | $1.1M$1,141,468 | Zakład Unieszkodliwiania Odpadów sp. z o.o. | |
| Jul 19, 2024 | Performance of the annual periodic inspection at Zakład Unieszkodliwiania Odpadów in Szczecin in 2024. | $1.4M$1,419,970 | Zakład Unieszkodliwiania Odpadów sp. z o.o. |
Authorized Representatives
Manner of representation
Each member of the management board is independently authorised to submit declarations of will on behalf of the company.
Ownership
| Owner | Shares | Share value | Stake |
|---|---|---|---|
Michał Michulec (45) | 360 | $4,862.24 | 40% |
Stankiewicz Fundacja Rodzinna w Organizacji | 540 | $7,293.35 | 60% |
Beneficial owners
| Person | Rights |
|---|---|
Bank accounts
Registered as a VAT taxpayer on 2021-06-01.
84 1050 1399 1000 0090 3248 9289- 85 1050 1399 1000 0090 3248 9271
Debt
No entries in the National Debtors Register (KRZ).
Public aid
No public aid cases recorded in the last 10 years.
Competitors
| Name | Revenue | Website | ||
|---|---|---|---|---|
| Neisasp. z o.o. | $4,450,527.90 | neisa.pl | ||
| Rem-Warsp. z o.o. | $4,340,313.47 | rem-war.com.pl | ||
| Przedsiębiorstwo Produkcyjno-Usługowe War-Nosp. z o.o. | $3,343,949.38 | war-no.com.pl | ||
| Inteckersp. z o.o. | $2,440,801.13 | intecker.com | ||
| Elkom Renicesp. z o.o. | $1,702,755.83 | elkom-renice.pl | ||
| Energo-Spawsp. z o.o. | $1,609,120.56 | energo-spaw.pl | ||
| Mechanical Solutionssp. z o.o. | $1,535,869.34 | mechanicalsolutions.pl | ||
| LW Technicsp. z o.o. | $1,379,243.13 | lw-technic.com | ||
| Comarensp. z o.o. | $1,178,417.54 | comaren.com | ||
| Gromsp. z o.o. | $865,521.53 | grom-instalacje.pl |
Change history
| Date | Event | |
|---|---|---|
| 2024-07-11 | Name change (Grinwen Neisa → Grinwen) | |
| 2021-04-26 | Address change (Ul. Stanisława Tondosa 6, 30-214, Kraków → Ul. Metalowa 3, 43-100, Tychy) | |
| 2021-04-26 | Share capital change (5,000.00 PLN → 45,000.00 PLN) | |
| 2021-04-26 | Name change (Jsif → Grinwen Neisa) | |
| 2021-04-26 | PKD change (Removed: 64.30.Z, 70.22.Z; Added: 33.12.Z, 33.14.Z, 33.20.Z, 47.99.Z) |
FAQ
Last updated: 2026-09-02