Overview
Kielgo provides design and documentation services for renewable energy businesses, including photovoltaic system designs, energy audits, energy performance certificates, fire safety approvals and filings with electricity utilities. The company also assists with grant applications, offers technical and process consultations, and delivers renewable energy training online, live and in person.
Financials
Revenue history (in k)
Filing timeliness
Financial statements were filed on time, on average 28 days early.
- 2025filed
- 202415/07/2025
- 202307/05/2024
- 202203/07/2023
- 202115/06/2022
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
Industry
Offer
- Photovoltaic installation designs
- Energy audits
- Energy performance certificates
- Fire safety approvals
- Grant applications
- Technical consulting
- Renewable energy training
Website technology
- Online shop
- WooCommerce
- Website
- WordPress
- Elementor
- Analytics and marketing
- Google Analytics
- Google Tag Manager
Public procurement
6 tenders recorded as contractor: 5 national ($72,516) and 1 EU ($3,265).
| Publication date | Subject | Amount | Contracting authority | |
|---|---|---|---|---|
| Aug 21, 2026 | Training service in „PVSoll software operation”; agreement no. FERS.01.05-IP.08-0234/23-00 | –– | Politechnika Świętokrzyska | |
| May 11, 2026 | Preparation of energy audits of selected residential buildings in Gmina Miasta Sierpc in 2025-2028 | $34,306$34,306 | Gmina Miasto Sierpc | |
| Jan 21, 2026 | Supply of software for designing photovoltaic installations – 2 lots - project under agreement no. FERS.01.05-IP.08-0234/23-00 | $15,204$15,204 | Politechnika Świętokrzyska |
Trademarks
Kielgo holds 1 active trademark registered with the Polish Patent Office. The first mark was filed in 2023.
| Mark | Protected until | |
|---|---|---|
| KIELGO(word) | Sep 13, 2033 |
Authorized Representatives
Manner of representation
Each member of the management board is authorised to make declarations of will on behalf of the company independently.
Ownership
| Owner | Shares | Share value | Stake |
|---|---|---|---|
Mateusz Wiktor Herianage 30 | 25 | $675.31 | 50% |
Mateusz Michał Mazurczakage 29 | 25 | $675.31 | 50% |
Beneficial owners
| Person | Rights |
|---|---|
Bank accounts
Registered as a VAT taxpayer on 2021-05-18.
Debt
No entries in the National Debtors Register (KRZ).
Public aid
| Grant date | Purpose | Gross amount | Granting body | |
|---|---|---|---|---|
| Nov 16, 2023 | De minimis aid (in accordance with Commission Regulation No 1407/2013 or earlier) | $2,110$2,110 | Prezes Polskiej Agencji Rozwoju Przedsiębiorczości | |
| May 10, 2022 | De minimis aid (in accordance with Commission Regulation No 1407/2013 or earlier) | $2,131$2,131 | Towarzystwo Geosynoptyków Geos |
Regulatory authorisations
| Authority | Type | Status | |
|---|---|---|---|
 KNF | Consumer credit intermediary | Active |
Competitors
| Name | Revenue | Website | ||
|---|---|---|---|---|
| Energoinżynieriasp. z o.o. | $2,723,690.70 | energoinzynieria.pl | ||
| Elektrowindsp. z o.o. | $1,784,833.68 | elektrowind.pl | ||
| Ekoradcysp. z o.o. | $844,277.85 | ekoradcy.pl | ||
| Ekologsp. z o.o. | $795,698.69 | ekolog.pl | ||
| OŚ Ekosp. z o.o. | $705,612.16 | oseko.pl | ||
| OBREsp. z o.o. | $456,619.86 | obre.pl | ||
| IM Ecosp. z o.o. | $440,230.07 | imeco.pl | ||
| Iproekosp. z o.o. | $365,203.53 | iproeko.pl | ||
| Inproossp. z o.o. | $352,624.88 | inproos.pl | ||
| ProhabitatP.S.A. | $321,969.55 | prohabitat.com.pl |
FAQ
Last updated: 2026-04-26