Overview
Steelio is a manufacturer of premium steel windows and doors, specializing in internal, external, and fire-resistant doors for homes, offices, hotels, and commercial investments. The company collaborates with architects, developers, and individual investors, providing comprehensive support from design to production and installation. They also offer a door configurator for creating personalized projects and quotes online.
Industry
Bank accounts
Was a VAT taxpayer from 2025-08-18 to 2026-05-11. Removed from VAT register
Reason for removal: Art. 96 ust. 9 pkt 4 (taxpayer or their representative fails to appear on summons of tax authorities)
Debt
No entries in the National Debtors Register (KRZ). No proceedings in KRZ
Public aid
No public aid cases recorded in the last 10 years.
Tenders
No recorded participation in tenders.
Ownership
| Owner | Shares | Share value | Stake |
|---|---|---|---|
Gracjan Franciszek Mysiakowski (34) | 100 | $1,350.62 | 100% |
Manner of representation
Each member of the management board is authorized to make declarations on behalf of the company independently.
Beneficial owners
| Person | Rights | |
|---|---|---|
Bartłomiej Jaroszewski (41)  | Shareholder of a limited liability company, 2500.0 PLN | |
Gracjan Franciszek Mysiakowski (34) | Shareholder of a limited liability company, 2500.0 PLN |
Competitors
| Name | Revenue | Website | ||
|---|---|---|---|---|
| Crystalsp. z o.o. | $15,230,207.43 | splendoor.pl | ||
| Terma Artur, Dariusz i Helena Szymaniuksp. j. | $11,864,472.49 | kmt.com.pl | ||
| Volcanosp. z o.o. | $4,234,841.39 | volcano-windows.com | ||
| Komsta Drzwisp. z o.o. | $2,551,454.01 | komsta.pl | ||
| Steel Designsp. z o.o. | $2,288,488.92 | steeldesign-ce.eu | ||
| SQ Linesp. z o.o. | $1,852,145.33 | sq-line.eu | ||
| AK Steelsp. z o.o. | $576,933.36 | aksteel.pl | ||
| Jankstallsp. z o.o. | $156,365.34 | jankstall.com | ||
| Steelovsp. z o.o. | $104,410.72 | steelov.pl | ||
| Stalbarsp. z o.o. | $67,503.33 | stalbar.pl |
FAQ
Last updated: 2026-08-20