Overview
Grupa Doradcza Sienna is a consulting firm that has been operating since 2003, focusing on providing thorough legal preparation and solutions tailored to meet client objectives. They emphasize a detailed understanding of each case and the factual circumstances involved. Their experience enables them to take on new challenges effectively.
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
- Legal activities (69.10.Z)Primary
Bank accounts
Registered as a VAT taxpayer on 1993-07-05. Active
66 1160 2202 0000 0001 0662 5023
48 1020 1156 0000 7902 0132 4607
Debt
No entries in the National Debtors Register (KRZ). No proceedings in KRZ
Real estate
| Type | Amount |
|---|---|
Investment property | PLN 843.1KPLN 843,110 |
Public aid
6 public aid cases recorded, with a total value of $31,854.
| Grant date | Purpose | Gross amount | Granting body | |
|---|---|---|---|---|
| Jan 20, 2021 | Aid compensating for the negative economic consequences of COVID-19, granted in limited amounts | $10,667$10,667 | Prezydent Miasta Stołecznego Warszawy | |
| Sep 20, 2020 | Aid compensating for the negative economic consequences of COVID-19, granted in limited amounts | $2,554$2,554 | Prezes Zakładu Ubezpieczeń Społecznych | |
| Jul 22, 2020 | Aid compensating for the negative economic consequences of COVID-19, granted in limited amounts | $12,308$12,308 | Polski Fundusz Rozwoju S.A. |
Tenders
1 tender recorded as contractor, with a total value of $880,676.
| Publication date | Subject | Amount | Contracting authority | |
|---|---|---|---|---|
| Mar 13, 2024 | „Świadczenie usług prawnych na rzecz Zamawiającego, w podziale na trzy Części | $880.7K$880,676 | Naukowa i Akademicka Sieć Komputerowa - Państwowy Instytut Badawczy |
Public sector contracts
Grupa Doradcza Sienna is the contractor in 4 public sector contracts, worth PLN 50.00k in total. They were signed with 4 public buyers.
| Public buyer | Value | |
|---|---|---|
| Generalna Dyrekcja Dróg Krajowych I Autostrad | PLN 7,000 | |
| Województwo Podlaskie | PLN 20,000 | |
| Teatr Muzyczny Roma | PLN 9,000 | |
| Państwowy Fundusz Rehabilitacji Osób Niepełnosprawnych | PLN 14,000 |
Public procurement disputes (KIO)
Grupa Doradcza Sienna has been a party to 4 cases before the National Appeal Chamber (since 2012). It filed 2 appeals (1 upheld, 1 dismissed). In 2 cases it joined the proceedings as a participant.
Authorized Representatives
Manner of representation
Each member of the management board is authorised to represent the company independently.
Ownership
| Owner | Shares | Share value | Stake |
|---|---|---|---|
Włodzimierz Robert Dzierżanowski (60) | 10 | $1,350.62 | 8.3333% |
Małgorzata Anna Stachowiak (52) | 8 | $1,080.50 | 6.6667% |
Others | 102 | $13,776.34 | 85% |
Beneficial owners
| Person | Rights |
|---|---|
Competitors
| Name | Revenue | Website | ||
|---|---|---|---|---|
| C&C Kancelaria Prawna Ciszeksp. k. | $2,059,427.33 | cc.info.pl | ||
| Seewaldsp. k. | $1,956,462.91 | seewald.pl | ||
| Szołajski Legal Group I Wspólnicysp. k. | $1,190,515.09 | szolajski.com | ||
| Adiutor Groupsp. z o.o. | $929,132.14 | adiutorgroup.pl | ||
| Sawaryn i Partnerzysp. k. | $739,234.08 | sawaryn.com | ||
| Krzemień Zaliwska Adwokaci i Radcowie PrawniS.K.A. | $651,621.76 | kzlegal.pl | ||
| JOBS Skowrońska Samsel Adwokaci i Radcowie Prawnisp. k. | $627,078.01 | jsslaw.pl | ||
| Quideasp. z o.o. | $571,122.84 | quidea.pl | ||
| Polskie Centrum Usług Doradczychsp. z o.o. | $530,950.29 | pcud.pl | ||
| GSW Legal Szalc i Wspólnicysp. k. | $495,799.62 | gswlegal.pl |
Change history
| Date | Event | |
|---|---|---|
| 2018-12-21 | Address change (Bagatela 10/5, 00-585, Warszawa → Ul. Bagatela 10/3, 00-585, Warszawa) | |
| 2015-02-17 | PKD change (Removed: 18.20.Z, 47.63.Z, 58.11.Z, 58.13.Z, 59.20.Z, 62.0, 62.03.Z, 62.09.Z, 63.1, 64, 64.20.Z, 70.10.Z, 72, 72.1, 72.11.Z, 72.19.Z, 72.20.Z, 73.1, 74.30.Z, 81.10.Z, 82.9, 82.99.Z, 85.59, 85.59.B) | |
| 2013-12-20 | Address change (Górnośląska 1/188, 00-443, Warszawa → Bagatela 10/5, 00-585, Warszawa) | |
| 2013-10-03 | PKD change (Added: 68.20.Z, 69.10.Z, 81.10.Z) | |
| 2010-02-17 | PKD change (Removed: 22.11.Z, 22.12.Z, 22.13.Z, 22.14.Z, 22.33.Z, 67.13.Z, 72.10.Z, 72.30.Z, 72.40.Z, 73.20.A, 73.20.B, 73.20.H, 73.20.I, 74.12.Z, 74.13.Z, 74.14.A, 74.14.B, 74.15.Z, 74.40.Z, 74.83.Z, 74.84.A, 74.84.B, 80.42.B; Added: 18.20.Z, 47.63.Z, 58.11.Z, 58.13.Z, 58.14.Z, 59.20.Z, 62.0, 62.02.Z, 62.03.Z, 62.09.Z, 63.1, 64, 64.20.Z, 69.20.Z, 70.10.Z, 70.2, 70.22.Z, 72, 72.1, 72.11.Z, 72.19.Z, 73.1, 73.20.Z, 74.30.Z, 82.30.Z, 82.9, 82.99.Z, 85.5, 85.59, 85.59.B) |
FAQ
Last updated: 2026-10-07