Overview
SIX Construction is a Warsaw-based architectural and construction company handling projects from design and site preparation through residential and commercial building construction. It provides engineering teams and project management; its projects include stone facade installation at the Polish History Museum and the expansion and reconstruction of Mondelēz International’s factory in Płońsk.
Financials
Revenue history (in m)
Filing timeliness
No financial statement for 2024 – the filing deadline has passed. 4 of 4 financial statements were filed late (the longest delay 806 days for 2023). 1 of 4 audited by a statutory auditor.
- 2024not filed
- 202329/09/2026
- 202222/08/2023
- 202104/08/2022
- 202004/08/2022
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 2023.
Results vs industry
Industry
Offer
- Architectural design
- Construction project management
- Construction supervision
- Installation design
- Construction management
- Construction works
- Installation works
Website technology
- Website
- Webflow
Authorized Representatives
Manner of representation
Each member of the management board is authorized independently to make declarations concerning property and non-property rights and obligations, to represent the company and to sign on behalf of the company.
Ownership
| Owner | Shares | Share value | Stake |
|---|---|---|---|
Marek Kubanage 54 | 25 | $6,753.11 | 50% |
Marek Salakage 54 | 25 | $6,753.11 | 50% |
Beneficial owners
| Person | Rights |
|---|---|
Bank accounts
Registered as a VAT taxpayer on 2021-01-13.
24 1090 1056 0000 0001 4734 8239- 25 1090 1056 0000 0001 5113 7817
- 26 1090 1056 0000 0001 4898 0810
Debt
No entries in the National Debtors Register (KRZ).
Public aid
No public aid cases recorded in the last 10 years.
Regulatory authorisations
| Authority | Type | Status | |
|---|---|---|---|
 BDO | BDO register entry | Active |
Competitors
| Name | Revenue | Website | ||
|---|---|---|---|---|
| Instal WarszawaS.A. | $60,592,014.45 | instalwaw.com.pl | ||
| ZBMS.A. | $19,065,272.59 | zbm.com.pl | ||
| Gliwickie Biuro Projektów Budownictwa Przemysłowego ProjprzemS.A. | $3,233,741.83 | gbpbp.eu | ||
| GIVE Steel Bim & Structural Designsp. z o.o. | $3,178,996.01 | givesteel.pl |
Change history
| Date | Event | |
|---|---|---|
| 2022-12-16 | Address change (Ul. Piaskowa 6/U8, 01-067, Warszawa → Ul. Piaskowa 6/U5, 01-067, Warszawa) | |
| 2021-09-20 | Address change (Ul. Piaskowa 6a/U8, 01-067, Warszawa → Ul. Piaskowa 6/U8, 01-067, Warszawa) | |
| 2021-02-12 | Address change (Ul. Piaskowa 6/U3, 01-067, Warszawa → Ul. Piaskowa 6a/U8, 01-067, Warszawa) | |
| 2020-11-17 | Entered in the register |
FAQ
Last updated: 2026-09-29