
Overview
Status
Active
Registry date
2005-11-21
Marital property community
Yes
Registered address
ul. Obrzeżna 3 U13, 02-691 Warszawa, Poland
Correspondence address
ul. Przygodna 29C, 03-991 Warszawa, Poland
Email
Email address current
Phone
Website
sienkogabinet.plWebsite active
Industry
Public aid
| Grant date | Purpose | Gross amount | Granting body | |
|---|---|---|---|---|
| Nov 7, 2025 | Aid for microenterprises in the form of public interventions concerning electricity, gas or heat supplies | $81$81 | E.ON Polska S.A. | |
| Jun 12, 2020 | Aid compensating for the negative economic consequences of COVID-19, granted in limited amounts | $1,282$1,282 | Prezydent Miasta Stołecznego Warszawy |
Tenders
No recorded participation in tenders.
Regulatory authorisations
| Authority | Type | Status | |
|---|---|---|---|
| BDO register entry | Active |
Authorized Representatives
Jacek Sieńko — Owner
Competitors
Change history
| Entry date | Operation type | Application number | Application author / Organ entering the change | Change effective date | |
|---|---|---|---|---|---|
2023-05-07 12:13:01 | Change of entry data | 000940738/2023 | Jacek Sieńko | 2023-05-07 | |
2023-02-17 17:25:43 | Change of entry data | 000392496/2023 | Jacek Sieńko | 2023-02-15 | |
2023-02-15 18:39:31 | Change of entry data | 000392278/2023 | Jacek Sieńko | 2023-02-15 | |
2023-02-12 09:07:26 | Change of entry data | 000353394/2023 | Jacek Sieńko | 2023-02-12 | |
2019-04-11 12:27:35 | REGON number assigned (140330312) | Główny Urząd Statystyczny | 2019-04-11 |








