Overview
Status
Active
Registry date
2015-08-03
Share capital
250,000.00 PLN
Registered address
ul. Gliwicka 237, 43-190 Mikołów, Poland
Website
Email
Phone
Electronic delivery address
AE:PL-10690-45668-UGBSS-26
Financials
Revenue history (in k)
Filing timeliness
Financial statements were filed on time, on average 67 days early.
- 202526/05/2026
- 202411/06/2025
- 202305/06/2024
- 202215/06/2023
- 202130/06/2022
- 202026/02/2021
Filed on timeDelayFiling deadline
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
Revenue
This companyUSD 1.29mMedianUSD 1.04mAverageUSD 15.18m
Net profit
This companyUSD 120.73kMedianUSD 56.61kAverageUSD 707.51k
Operating costs
This companyUSD 1.15mMedianUSD 896.14kAverageUSD 14.01m
Assets
This companyUSD 772.10kMedianUSD 760.36kAverageUSD 12.20m
Industry
Offer
- Construction works for railway tracks and underground railways
Website technology
- Website
- WordPress
Authorized Representatives
Marzena Anna Mrozek – Attorney-in-fact (sole)
Michał Maciej Mrozek – President of the Management Board
Manner of representation
Each member of the management board is authorized to make declarations on behalf of the company independently.
Ownership
| Owner | Shares | Share value | Stake |
|---|---|---|---|
Marzena Anna Mrozekage 49 | 22 | $14,856.83 | 22% |
Michał Maciej Mrozekage 49 | 78 | $52,674.23 | 78% |
Michał Maciej Mrozek and Marzena Anna Mrozek hold a combined 100% – the ownership structure indicates family control.
Beneficial owners
| Person | Rights |
|---|---|
Bank accounts
Registered as a VAT taxpayer on 2015-08-05.
Bank spółdzielczy37 8454 1053 2001 0068 3506 0001
Debt
No entries in the National Debtors Register (KRZ).
Public aid
No public aid cases recorded in the last 10 years.
Regulatory authorisations
| Authority | Type | Status | |
|---|---|---|---|
 BDO | BDO register entry | Active |
Competitors
| Name | Revenue | Website | ||
|---|---|---|---|---|
| ElektrolineBranch (foreign co.) | $8,605,855.25 | elektroline.cz | ||
| ETA Gliwicesp. z o.o. | $6,457,064.84 | etagliwice.pl | ||
| Przedsiębiorstwo Inżynieryjne Socarsp. z o.o. + limited partnership | $6,595,961.35 | socar.com.pl | ||
| Entorosp. z o.o. | $3,304,613.94 | entoro.pl | ||
| Infrateksp. z o.o. | $1,757,509.17 | infratek.pl | ||
| Przedsiębiorstwo Remtorsp. z o.o. | $1,655,157.44 | remtor.com.pl | ||
| Torkamsp. z o.o. | $1,264,325.95 | torkam.eu | ||
| RAIL Terminalssp. z o.o. | $1,210,783.10 | railterminals.pl | ||
| Bahnbudsp. z o.o. | $423,060.94 | bahnbud.pl | ||
| Trabot Automatykasp. z o.o. | $184,244.72 | trabot.pl |
Change history
| Date | Event | |
|---|---|---|
| 2024-01-19 | Share capital increase (50,000.00 PLN → 250,000.00 PLN) | |
| 2021-05-20 | Address change (Ul. Niepodległości 102, 44-190, Knurów → Ul. Gliwicka 237, 43-190, Mikołów) | |
| 2021-05-20 | Share capital increase (5,000.00 PLN → 50,000.00 PLN) | |
| 2021-05-20 | Name change (Grafen-Invest → Mmjb) | |
| 2021-05-20 | PKD change (Removed: 9 codes; Added: 8 codes) |
FAQ
Last updated: 2026-05-26