
Overview
J&M Energy sells, rents and services portable and stationary generators, and offers rotary-screw and piston compressors. It also rents compressors and offers construction machinery. The company installs and upgrades electrical systems, equips buildings for backup power, supplies electrical materials and serves construction sites across Poland.
Financials
Revenue history (in k)
Filing timeliness
Financial statements were filed on time, on average 106 days early.
- 202531/03/2026
- 202431/03/2025
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
- Power generators
- Compressors
- Air compressors
- Generator parts
- Generator rental
- Generator servicing
Website technology
- Online shop
- WooCommerce
- Website
- WordPress
- Analytics and marketing
- Google Tag Manager
- Meta Pixel
Public procurement
1 tender recorded as contractor, with a total value of $275,992.
| Publication date | Subject | Amount | Contracting authority | |
|---|---|---|---|---|
| Nov 26, 2025 | Supply of a 1 MW generator set and 60 kW generator sets. | $276K$275,992 | Gmina Miejska Przemyśl |
J&M Energy is the contractor in 7 public sector contracts, worth USD 114.69k in total. They were signed with 6 public buyers.
| Signed on | Subject | Amount | Public buyer | |
|---|---|---|---|---|
| Sep 25, 2026 | Purchase and delivery of a generator for the needs of Urząd Gminy Przygodzice as part of the project „Cyberbezpieczny Samorząd” | $23,224 | Urząd Gminy Przygodzice | |
| Sep 23, 2026 | Annual inspection of the municipal office generator | $594.27 | Gmina Jeziora Wielkie | |
| Sep 23, 2026 | Contract for the performance of a contract involving the supply of one stationary three-phase generator and one portable three-phase generator. | $20,259 | Gmina Kazimierz Biskupi |
Authorized Representatives
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 |
|---|---|---|---|
Danuta Anna Mierzyńskaage 64 | 95 | $1,283.09 | 95% |
Others | 5 | $67.53 | 5% |
The articles of association require company consent for share transfers.
Beneficial owners
| Person | Rights |
|---|---|
Bank accounts
Registered as a VAT taxpayer on 2024-06-05.
48 1090 1160 0000 0001 5823 1743
34 1090 1160 0000 0001 5823 1704
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 | ||
|---|---|---|---|---|
| Emardsp. z o.o. | $1,111,762.30 | emard.pl | ||
| JM Energysp. z o.o. | $688,354.98 | jm-energy.pl | ||
| WP Energysp. z o.o. | $608,214.86 | wpenergy.pl | ||
| ML Energysp. z o.o. | $541,452.72 | mlenergy.pl | ||
| Clear Energysp. z o.o. | $465,124.78 | clearenergy.pl | ||
| Czysta Energia Polskasp. z o.o. | $396,313.16 | czystaenergia.org | ||
| MAC Elektro Maciejaksp. z o.o. | $378,949.90 | macelektro.pl | ||
| Smart House Energysp. z o.o. | $357,747.13 | smarthouse-energy.pl | ||
| Jarek Montuje Klimesp. z o.o. | $337,490.44 | jarekmontujeklime.pl | ||
| MBM Energysp. z o.o. | $301,279.42 | mbm-energy.pl |
FAQ
Last updated: 2026-04-01