Overview
Status
Active
Registry date
2018-09-07
Share capital
5,000.00 PLN
Registered address
ul. Kleczkowska 50/207, 50-227 Wrocław, Poland
Financials
Revenue history (in k)
Filing timeliness
Financial statements were filed on time, on average 63 days early.
- 202503/04/2026
- 202416/04/2025
- 202317/04/2024
- 202222/05/2023
- 202115/07/2022
- 202004/09/2021
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, city, voivodeship and across Poland in 2025.
Division · Architectural and engineering activities; technical testing and analysis3,872 / 6,061
Top 64%
Results vs industry
Revenue
This companyUSD 87.09kMedianUSD 168.27kAverageUSD 1.12m
Net profit
This companyUSD -4.48kMedianUSD 8.46kAverageUSD 67.75k
Operating costs
This companyUSD 88.90kMedianUSD 143.86kAverageUSD 1.05m
Assets
This companyUSD 16.88kMedianUSD 126.12kAverageUSD 863.11k
Industry
Authorized Representatives
Jacek Krzysztof Mielczarekage 62 – President of the Management Board
Jolanta Mielczarekage 61 – Management Board Member
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 |
|---|---|---|---|
| 50 | $675.31 | 50% | |
Jolanta Mielczarekage 61 | 50 | $675.31 | 50% |
Jacek Krzysztof Mielczarek and Jolanta Mielczarek hold a combined 100% – the ownership structure indicates family control.
Beneficial owners
| Person | Rights |
|---|---|
Bank accounts
Registered as a VAT taxpayer on 2020-02-01.
77 1870 1045 2078 1067 5217 0001
37 1950 0001 2006 0071 8734 0003
Debt
No entries in the National Debtors Register (KRZ).
Public aid
4 public aid cases recorded, with a total value of $3,217.
| Grant date | Purpose | Gross amount | Granting body | |
|---|---|---|---|---|
| Sep 20, 2020 | Aid compensating for the negative economic consequences of COVID-19, granted in limited amounts | $484$484 | Prezes Zakładu Ubezpieczeń Społecznych | |
| Jun 20, 2020 | Aid compensating for the negative economic consequences of COVID-19, granted in limited amounts | $968$968 | Prezes Zakładu Ubezpieczeń Społecznych | |
| Jun 16, 2020 | Aid compensating for the negative economic consequences of COVID-19, granted in limited amounts | $1,282$1,282 | Prezydent Wrocławia |
Competitors
| Name | Revenue | Website | ||
|---|---|---|---|---|
| Basalttechsp. z o.o. | $131,909.67 | basalttech.pl | ||
| Yellowhammersp. z o.o. | $129,242.21 | yellowhammer.pl | ||
| Geolidsp. z o.o. | $117,223.77 | geolid.pl | ||
| PWR Budownictwosp. z o.o. | $104,336.85 | pwrbudownictwo.pl | ||
| Qaluxsp. z o.o. | $83,784.81 | qalux.pl | ||
| WM EngineeringS.A. | $33,664.36 | wm-engineering.pl | ||
| Mikrovoltsp. z o.o. | $24,416.86 | mikrovolt.pl | ||
| Terapowersp. z o.o. | $23,676.60 | terapower.pl | ||
| JMS Rail Systemssp. z o.o. | $17,486.84 | jmsrail.com | ||
| Ruth-Energietechniksp. z o.o. | $10,246.11 | ruth-energietechnik.com |
Change history
| Date | Event | |
|---|---|---|
| 2021-10-13 | Address change (Ul. Kwidzyńska 71/311, 51-415, Wrocław → Ul. Kleczkowska 50/207, 50-227, Wrocław) | |
| 2020-04-22 | PKD change (Removed: 2 codes; Added: 5 codes) | |
| 2018-09-07 | Entered in the register |
FAQ
The main business activity of JJM focuses on engineering activities and related technical consultancy.
The company was registered in the Polish National Court Register (KRS) on September 7, 2018.
The headquarters is located at: ul. Kleczkowska 50, 50-227 Wrocław.
The share capital of the company is PLN 5,000 (approx. $1,351).
The latest available financial statement covers the period from January 1, 2025 to December 31, 2025.
The company reported a revenue of $87,089 in 2025, which is an increase of 36.2% compared to 2024.
No, the company recorded a net loss of $4,476 in 2025. For comparison, in 2024 the loss was $4,335, meaning the company increased its loss by 3.0%.
The largest operating cost category falls under other operating costs. This category amounted to $51,784 in 2025, representing 58% of all operating expenses.
Last updated: 2026-04-04