Overview
ZERS provides photovoltaic systems, electrical installations and video surveillance in Brodnica and the surrounding area. The company advises on, designs and installs ground-mounted and rooftop solar systems, and handles formalities and assistance with obtaining subsidies.
Financials
Revenue history (in k)
Filing timeliness
2 of 4 financial statements were filed late (the longest delay 94 days for 2023).
- 202526/05/2026
- 202401/07/2025
- 202317/10/2024
- 202207/09/2023
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
- Realization of building projects related to erection of buildings (41.1)
- Building works related to erection of residential and non-residential buildings (41.2)
Offer
- Photovoltaic systems
- Electrical installations
- Monitoring systems
Website technology
- Online shop
- WooCommerce
- Website
- WordPress
- Elementor
Public procurement
2 tenders recorded as contractor, with a total value of $64,563.
| Publication date | Subject | Amount | Contracting authority | |
|---|---|---|---|---|
| Dec 27, 2022 | Construction of a photovoltaic installation on the Municipal Office building | $24,280$24,280 | Gmina Miasto Sierpc | |
| Nov 21, 2022 | “Installation of a photovoltaic system in the building of Technikum Kinematograficzno - Komputerowe at ul. Polna 7 in Warszawa” (reference no. UD-IX-ZP-22-2022) | $40,283$40,283 | Miasto Stołeczne Warszawa Dzielnica Śródmieście |
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 |
|---|---|---|---|
Joanna Sosnowskaage 39 | 50 | $13,506.21 | 50% |
Robert Sosnowskiage 39 | 50 | $13,506.21 | 50% |
Joanna Sosnowska and Robert Sosnowski hold a combined 100% – the ownership structure indicates family control.
Beneficial owners
| Person | Rights |
|---|---|
Bank accounts
Registered as a VAT taxpayer on 2022-03-02.
30 1020 5024 0000 1102 0189 5002
Debt
No entries in the National Debtors Register (KRZ).
Public aid
6 public aid cases recorded, with a total value of $31,207.
| Grant date | Purpose | Gross amount | Granting body | |
|---|---|---|---|---|
| May 9, 2026 | De minimis aid (in accordance with Commission Regulation 2023/2831) | $1,891$1,891 | Prezes Banku Gospodarstwa Krajowego | |
| Nov 6, 2025 | De minimis aid (in accordance with Commission Regulation 2023/2831) | $1,682$1,682 | Burmistrz Miasta i Gminy Górzno | |
| May 9, 2025 | De minimis aid (in accordance with Commission Regulation 2023/2831) | $2,009$2,009 | Prezes Banku Gospodarstwa Krajowego |
Regulatory authorisations
| Authority | Type | Status | |
|---|---|---|---|
 BDO | BDO register entry | Active |
Competitors
| Name | Revenue | Website | ||
|---|---|---|---|---|
| Brewasp. z o.o. + limited partnership | $2,304,292.20 | brewa.pl | ||
| Zesstossp. z o.o. | $2,072,843.46 | zesstos.pl | ||
| Energo Optimasp. z o.o. | $1,953,516.98 | energooptima.com | ||
| Polska Grupa Energii Fotowoltaicznejsp. z o.o. | $1,803,849.80 | pgef.eu | ||
| Elektroimpulssp. z o.o. | $1,694,076.06 | elektroimpuls.pl | ||
| Sazetsp. z o.o. | $1,696,447.45 | sazet.com.pl | ||
| Solar Watt Polskasp. z o.o. | $1,563,365.44 | solarwattpolska.pl | ||
| Elektro&Solarsp. z o.o. | $1,548,287.95 | elektroandsolar.pl | ||
| Lantarsp. z o.o. | $1,375,848.47 | lantar.pl | ||
| AM Group Solarsp. z o.o. | $866,241.04 | amgroupsolar.com |
Change history
| Date | Event | |
|---|---|---|
| 2024-12-27 | PKD change (Removed: 4 codes; Added: 4 codes) | |
| 2023-09-14 | Share capital increase (5,000.00 PLN → 100,000.00 PLN) | |
| 2022-03-22 | Address change (30, 87-320, Szynkówko → Ul. Skowronkowa 5, 87-300, Kominy) | |
| 2022-02-10 | Entered in the register |
FAQ
Last updated: 2026-05-26