Overview
Esix delivers energy projects, building overhead and cable medium-, high- and extra-high-voltage lines and power substations. The company works on wind and solar farms, builds energy storage systems and industrial electrical installations, and provides servicing and measurements for installations and substations.
Financials
Revenue history (in m)
Filing timeliness
Financial statements were filed on time, on average 111 days early. All were audited by a statutory auditor.
- 202501/04/2026
- 202413/03/2025
- 202315/04/2024
- 202218/03/2023
- 202123/03/2022
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
News
Real Change Begins with a Conversation
The Most Unenvironmental Energy? The One That Never Reached the Consumer.
Voltage Supplied. Next Stage of Investment near Szczecin Successfully Completed!
Piotr Gutowski Joins ESIX, Will Lead Warsaw Branch
ESIX President in the Scientific Council of the Energy Institute
WKS Śląsk Wrocław SA Returns to PKO BP Ekstraklasa!
Industry
Offer
- Power lines
- Electrical substations
- Protection automation
- Photovoltaic installations
- Wind farms
- Energy storage systems
- Electrical installations
- Electrical installation measurements
Website technology
- Website
- Joomla
- Analytics and marketing
- Google Analytics
Public procurement
7 tenders recorded as contractor, with a total value of $58,416,458.
| Publication date | Subject | Amount | Contracting authority | |
|---|---|---|---|---|
| Jul 28, 2026 | Preparation of design documentation and execution of construction and installation works for projects: Project 1: R-340 Cieplice – 220/110 kV R-340 Cieplice substation, CPC – modernisation of the 110 kV switchgear; Project 2: Construction of a 110 kV bay at the 220/110 kV R-340 Cieplice substation for connection of the 35 MW Cieplice energy storage facility, JG; Project 3: Construction of a 110 kV bay at the 220/110 kV R-340 Cieplice substation for connection of the 50.42 MW Goduszyn energy storage facility and photovoltaic farm, JG | $13.4M$13,371,151 | Tauron Dystrybucja S.A. | |
| Jun 22, 2026 | RZ4/120/25 R-Nowa Ruda - comprehensive reconstruction of the 110/20 kV Nowa Ruda substation (PSP 1701763) | $11.7M$11,707,261 | Tauron Dystrybucja | |
| Mar 23, 2026 | Expansion of the 220/110 kV Groszowice substation to connect new facilities to KSE. | $7M$6,978,930 | Polskie Sieci Elektroenergetyczne S.A. |
Trademarks
Esix holds 1 active trademark registered with the Polish Patent Office. The first mark was filed in 2021.
| Mark | Protected until | |
|---|---|---|
| ESIX | Jun 30, 2031 |
Authorized Representatives
Manner of representation
In the case of a one-person management board, the President of the Management Board is authorized to make declarations of will on behalf of the company independently, and in the case of a multi-member management board, the joint action of any two members of the management board or one member of the management board jointly with a commercial proxy is required. Declarations and service of documents made to the company may be made to one member of the management board or a commercial proxy.
Ownership
| Owner | Shares | Share value | Stake |
|---|---|---|---|
Sławomir Cieślaage 51 | 3,400 | $45,921.12 | 17% |
Andrzej Władysław Diakunage 68 | 4,800 | $64,829.82 | 24% |
Jędrzej Roman Diakunage 36 | 3,400 | $45,921.12 | 17% |
Jakub Kępkaage 42 | 3,400 | $45,921.12 | 17% |
Mariusz Maszotaage 51 | 3,600 | $48,622.37 | 18% |
Others | 1,400 | $18,908.70 | 7% |
Beneficial owners
| Person | Rights |
|---|---|
Bank accounts
Registered as a VAT taxpayer on 2022-08-01.
16 1140 1140 0000 3596 7900 1003
57 1240 1037 1978 0011 5972 3615- 70 1140 1140 0000 3596 7900 1001
Debt
No entries in the National Debtors Register (KRZ).
Real estate
| Type | Amount |
|---|---|
Buildings and premises | PLN 9,573PLN 9,573 |
Public aid
14 public aid cases recorded, with a total value of $495,613.
| Grant date | Purpose | Gross amount | Granting body | |
|---|---|---|---|---|
| Mar 30, 2026 | De minimis aid (in accordance with Commission Regulation 2023/2831) | –– | Prezes Banku Gospodarstwa Krajowego | |
| Oct 27, 2025 | InvestEU Fund — aid related to commercial financial products involving intermediaries | –– | Prezes Banku Gospodarstwa Krajowego | |
| Apr 25, 2025 | De minimis aid (in accordance with Commission Regulation 2023/2831) | –– | Prezes Banku Gospodarstwa Krajowego |
Regulatory authorisations
| Authority | Type | Status | |
|---|---|---|---|
 BDO | BDO register entry | Active |
Competitors
| Name | Revenue | Website | ||
|---|---|---|---|---|
| EL Professionalsp. z o.o. | $84,904,206.03 | elprofessional.pl | ||
| ElectricomS.A. | $27,741,082.30 | electricom.pl | ||
| Elektropakssp. z o.o. | $24,253,916.76 | elektropaks.pl | ||
| Flexipower Groupsp. z o.o. + limited partnership | $21,579,010.74 | flexipowergroup.pl | ||
| Ispiksp. z o.o. | $16,315,592.08 | ispik.eu | ||
| EKO Energetyka I Ciepłownictwosp. z o.o. | $13,791,513.85 | eeic.pl | ||
| EL - Inwestsp. z o.o. | $12,742,344.07 | elinwest.pl | ||
| EnergoaparaturaS.A. | $11,048,761.33 | enap.com.pl | ||
| Elprotekt Serwissp. z o.o. | $9,142,045.00 | elprotekt.net | ||
| Engie Elektromontażsp. z o.o. | $8,423,383.60 | engie-elektromontaz.pl |
Change history
| Date | Event | |
|---|---|---|
| 2023-10-03 | Address change (Ul. Bierutowska 57-59, 51-317, Wrocław → Ul. Strzegomska 56b, 53-611, Wrocław) | |
| 2022-10-18 | Share capital increase (600,000.00 PLN → 1,000,000.00 PLN) | |
| 2022-07-05 | Share capital increase (396,000.00 PLN → 600,000.00 PLN) | |
| 2022-02-16 | Share capital increase (5,000.00 PLN → 396,000.00 PLN) | |
| 2021-09-14 | Address change (Ul. Zielona 2, 84-242, Luzino → Ul. Bierutowska 57-59, 51-317, Wrocław) |
FAQ
Last updated: 2026-10-03