Overview
Jamko is a wholesale supplier of photovoltaic components, offering products such as solar panels, inverters, and mounting structures. The company also provides installation services for photovoltaic systems, maintenance, and audits, as well as recycling for defective solar modules. Additionally, Jamko offers roof painting services and documentation preparation for solar installations.
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
Bank accounts
Registered as a VAT taxpayer on 2020-04-01. Active
Debt
No entries in the National Debtors Register (KRZ). No proceedings in KRZ
Real estate
| Type | Amount |
|---|---|
Land (incl. perpetual usufruct) | $69,061$69,061 |
Buildings and premises | $4,555$4,555 |
Public aid
6 public aid cases recorded, with a total value of $12,428.
| Grant date | Purpose | Gross amount | Granting body | |
|---|---|---|---|---|
| Mar 16, 2026 | De minimis aid (in accordance with Commission Regulation 2023/2831) | $48$48 | Marszałek Województwa Podkarpackiego | |
| Mar 16, 2026 | De minimis aid (in accordance with Commission Regulation 2023/2831) | $3$3 | Marszałek Województwa Podkarpackiego | |
| Apr 29, 2024 | De minimis aid (in accordance with Commission Regulation No 1407/2013 or earlier) | $4,260$4,260 | Prezes Banku Gospodarstwa Krajowego |
Tenders
No recorded participation in tenders.
Trademarks
Jamko holds 2 active trademarks registered with the Polish Patent Office. The first mark was filed in 2023.
| Mark | Protected until | |
|---|---|---|
| doUp. | Oct 2, 2033 | |
| OnlyU | Oct 1, 2033 |
Regulatory authorisations
| Authority | Type | Status | |
|---|---|---|---|
 KNF | Consumer credit intermediary | Active | |
 BDO | BDO register entry | Active |
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 |
|---|---|---|---|
Aneta Aniela Marecka (59) | 20 | $324.15 | 20% |
Kamil Piotr Marecki (31) | 60 | $972.45 | 60% |
Krzysztof Marecki (64) | 20 | $324.15 | 20% |
Kamil Piotr Marecki, Aneta Aniela Marecka and Krzysztof Marecki hold a combined 100% – the ownership structure indicates family control.
Beneficial owners
| Person | Rights |
|---|---|
Competitors
| Name | Revenue | Website | ||
|---|---|---|---|---|
| Solar Energia Solutionssp. z o.o. | $1,964,859.56 | solar-energia.pl | ||
| Clarventosp. z o.o. | $1,831,150.95 | clarvento.com | ||
| Sunlike Polskasp. z o.o. | $1,541,641.34 | sunlike.eu | ||
| Solmix New Energysp. z o.o. | $1,465,169.74 | solmix.eu | ||
| G4ozesp. z o.o. | $1,337,954.87 | g4oze.pl | ||
| Craftco Energysp. z o.o. | $1,308,776.78 | craftco.pl | ||
| PhotonicaS.A. | $521,614.52 | photonica.solar | ||
| Solar Marketsp. z o.o. | $445,380.09 | solar-market.pl | ||
| Panpowersp. z o.o. | $435,398.99 | panpower.eu | ||
| Emerging Investmentssp. z o.o. | $298,961.65 | eminv.com |
Change history
| Date | Event | |
|---|---|---|
| 2026-06-14 | Address change (Ul. Rudolfa Menerki 13b, 36-060, Głogów Małopolski → Ul. Józefa Piłsudskiego 34, 36-060, Głogów Małopolski) | |
| 2023-05-22 | PKD change (Removed: 25, 33, 35, 45; Added: 46.90.Z, 47.91.Z, 74, 77, 93) | |
| 2023-01-26 | PKD change (Removed: 46.90.Z; Added: 69.20.Z) | |
| 2021-07-07 | PKD change (Removed: 46, 71; Added: 45) | |
| 2020-03-25 | Entered in the register |
FAQ
Last updated: 2026-06-14