Overview
KZA Zielonka Sp. z o.o. provides design and installation services for railway automation, wired telecommunications and energy systems, as well as technical maintenance and diagnostics of railway automation equipment. The company carries out construction and assembly services for domestic and international companies and transport infrastructure investors, with its headquarters in the Masovian Voivodeship.
Financials
Revenue history (in k)
Filing timeliness
Financial statements were filed on time, on average 18 days early. 1 of 6 audited by a statutory auditor.
- 202530/06/2026
- 202415/07/2025
- 202324/06/2024
- 202229/06/2023
- 202107/07/2022
- 202030/08/2021
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
Offer
- Railway control system design
- Railway control system installation
- Maintenance of railway traffic control equipment
- Construction of fiber-optic lines
- Construction of telephone networks
- Construction of power lines
- Installation of road traffic signals
- Lighting installation
Website technology
- Website
- WordPress
- Elementor
Authorized Representatives
Manner of representation
The company’s management board may be a one-person or multi-member management board. In the case of a multi-member management board, making declarations of will and signing on behalf of the company requires the joint action of two members of the management board or one member of the management board jointly with a commercial proxy.
Supervisory board
Ownership
| Owner | Shares | Share value | Stake |
|---|---|---|---|
Marek Karwowskiage 58 | 2,173 | $58,698.00 | 42.6078% |
Mirosław Stanisław Spaltabakaage 77 | 2,897 | $78,255.00 | 56.8039% |
Others | 30 | $810.37 | 0.5883% |
Beneficial owners
| Person | Rights |
|---|---|
Bank accounts
Registered as a VAT taxpayer on 2012-03-01.
82 1240 6335 1111 0010 4341 2168
Debt
No entries in the National Debtors Register (KRZ).
Real estate
| Type | Amount |
|---|---|
Land (incl. perpetual usufruct) | $35,872$35,872 |
Buildings and premises | $1.1M$1,067,464 |
Public aid
| Grant date | Purpose | Gross amount | Granting body | |
|---|---|---|---|---|
| Jan 7, 2026 | De minimis aid (in accordance with Commission Regulation 2023/2831) | $23,793$23,793 | PGE Obrót S.A. | |
| Apr 30, 2020 | Aid compensating for the negative economic consequences of COVID-19, granted in limited amounts | $256.4K$256,423 | Polski Fundusz Rozwoju S.A. |
Competitors
| Name | Revenue | Website | ||
|---|---|---|---|---|
| Ziembudsp. z o.o. | $4,207,124.94 | ziembud.com.pl | ||
| KZA Zielonka Investsp. z o.o. | $3,835,001.05 | kzazielonka.eu | ||
| Duszota Energetyka Teletechnika Automatykasp. z o.o. | $2,953,803.54 | duszota.pl | ||
| M-Znaksp. z o.o. | $2,248,656.53 | m-znak.pl | ||
| Rikitsp. z o.o. | $2,048,667.48 | rikit.pl | ||
| PM Industrysp. z o.o. | $1,938,393.88 | pm-industry.pl | ||
| Spektrum Kielcesp. z o.o. | $1,923,271.45 | spektrumkielce.pl | ||
| Przedsiębiorstwo Inżynieryjno-Budowlane Zetpri-Ekosp. z o.o. | $1,726,481.66 | zetpri-eko.pl | ||
| Przedsiębiorstwo Remtorsp. z o.o. | $1,655,157.44 | remtor.com.pl | ||
| Agility Rail Engineering & Constructionsp. z o.o. | $876,855.62 | agility.construction |
Change history
| Date | Event | |
|---|---|---|
| 2024-02-15 | Share capital change (10,000.00 PLN → 510,000.00 PLN) | |
| 2022-07-08 | Share capital change (510,000.00 PLN → 10,000.00 PLN) | |
| 2020-05-25 | Share capital change (10,000.00 PLN → 510,000.00 PLN) | |
| 2017-07-26 | PKD change (Removed: 43.12.Z; Added: 42.12.Z) | |
| 2016-11-09 | PKD change (Removed: 25.99.Z, 33.12.Z, 33.14.Z, 33.20.Z, 43.13.Z, 43.22.Z, 43.29.Z, 43.99.Z, 46.63.Z, 46.69.Z, 49.41.Z, 58.29.Z, 61.20.Z, 62.01.Z, 62.02.Z, 62.03.Z, 62.09.Z, 63.11.Z, 70.22.Z, 71.11.Z, 71.12.Z, 77.11.Z, 77.12.Z, 80.20.Z, 95.11.Z, 95.12.Z) |
FAQ
Last updated: 2026-07-04