Overview
Amtj is a company that specializes in the design, consulting, and execution of electrical and telecommunication installations. They provide services such as power supply installations, emergency lighting systems, structured cabling (LAN), fiber optic installations, and advanced energy management systems. Their projects primarily focus on commercial and office spaces, as well as warehouses and retail environments.
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 2022-01-20. Active
Debt
No entries in the National Debtors Register (KRZ). No proceedings in KRZ
Public aid
| Grant date | Purpose | Gross amount | Granting body | |
|---|---|---|---|---|
| Mar 4, 2025 | De minimis aid (in accordance with Commission Regulation 2023/2831) | $4,018$4,018 | Prezes Banku Gospodarstwa Krajowego | |
| Mar 7, 2024 | De minimis aid (in accordance with Commission Regulation No 1407/2013 or earlier) | $2,506$2,506 | Prezes Banku Gospodarstwa Krajowego |
Tenders
No recorded participation in tenders.
Regulatory authorisations
| Authority | Type | Status | |
|---|---|---|---|
 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 |
|---|---|---|---|
Monika Milena Janiszewska (39) | 10 | $135.06 | 10% |
Tomasz Janiszewski (37) | 90 | $1,215.56 | 90% |
Tomasz Janiszewski and Monika Milena Janiszewska hold a combined 100% – the ownership structure indicates family control.
Beneficial owners
| Person | Rights | |
|---|---|---|
Monika Milena Janiszewska (39)  | Shareholder of a limited liability company, 2450.0 PLN | |
Tomasz Janiszewski (37) | Shareholder of a limited liability company, 2550.0 PLN |
Competitors
| Name | Revenue | Website | ||
|---|---|---|---|---|
| Artcomfortsp. z o.o. | $4,069,173.45 | artcomfort.pl | ||
| Elbestsp. z o.o. + limited partnership | $2,326,277.34 | elbest.waw.pl | ||
| Isstssp. z o.o. | $2,142,567.58 | issts.pl | ||
| WMA EnergiaS.A. | $1,777,358.63 | wmaenergia.pl | ||
| Avmengineeringsp. z o.o. | $1,291,307.30 | avmengineering.pl | ||
| Twoja Energiasp. z o.o. | $1,099,294.92 | twojaenergia.pl | ||
| Ibs-Systemssp. z o.o. | $933,051.23 | ibs-systems.pl | ||
| Elduronsp. z o.o. | $813,861.95 | elduron.com | ||
| Hochtechsp. z o.o. | $767,168.76 | hochtech.pl | ||
| Integrate Qualitysp. z o.o. | $711,145.78 | integratequality.com |
Change history
| Date | Event | |
|---|---|---|
| 2025-09-04 | Address change (Al. Aleje Jerozolimskie 200, 02-486, Warszawa → Ul. Marcina Flisa 4, 02-247, Warszawa) | |
| 2022-11-29 | Address change (Ul. Oliwkowa 5, 05-090, Łady → Al. Aleje Jerozolimskie 200, 02-486, Warszawa) | |
| 2022-01-04 | Entered in the register |
FAQ
Last updated: 2026-07-09