Overview
Duet C is a company that specializes in roofing solutions for industrial construction, having completed over 600 projects totaling 3.5 million square meters of roofing. They provide services for various sectors, including industrial buildings, residential complexes, and public utility structures such as sports halls and hospitals. The company has been operating since 1999 and offers long-term warranties and maintenance services for their roofing projects.
Industry
- Building completion and finishing (43.3)
- Tourist accommodation facilities and short-stay accommodation (55.2)
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 |
|---|---|---|---|
Antoni Stefan Całkaage 31 | 100 | $1,350.62 | 25% |
Błażej Maciej Całkaage 38 | 100 | $1,350.62 | 25% |
Danuta Krystyna Całkaage 69 | 100 | $1,350.62 | 25% |
Wojciech Władysław Całkaage 71 | 100 | $1,350.62 | 25% |
Antoni Stefan Całka, Błażej Maciej Całka, Danuta Krystyna Całka and Wojciech Władysław Całka hold a combined 100% – the ownership structure indicates family control.
Beneficial owners
| Person | Rights |
|---|---|
Debt
No entries in the National Debtors Register (KRZ).
Public aid
No public aid cases recorded in the last 10 years.
Competitors
| Name | Revenue | Website | ||
|---|---|---|---|---|
| Ready Constructsp. z o.o. | $7,217,381.90 | readyconstruct.com | ||
| Promossp. z o.o. | $4,016,199.67 | promos.pl | ||
| DEX 44sp. z o.o. | $621,618.03 | dex44.pl | ||
| Rigdomsp. z o.o. | $528,137.04 | rigdom.pl | ||
| Stiller Homesp. z o.o. | $80.18 | stiller.com.pl |
Change history
| Date | Event | |
|---|---|---|
| 2026-06-26 | Share capital increase (10,000.00 PLN → 20,000.00 PLN) | |
| 2026-06-26 | PKD change (Added: 7 codes) | |
| 2025-12-03 | Entered in the register |
FAQ
Last updated: 2026-07-11