Overview
Mk-Bud Firma Budowlana-Handel Mariusz Kosiński carries out general and specialized construction work, including installations, finishing works, demolition, and earthworks. The company acts as a general contractor and develops residential projects, including apartment buildings with flats and service premises.
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
Bank accounts
Registered as a VAT taxpayer on 2021-04-01. Active
30 1160 2202 0000 0006 3963 9507
Bank spółdzielczy54 8099 0004 0017 0063 2000 0010
Debt
No entries in the National Debtors Register (KRZ). No proceedings in KRZ
Public aid
| Grant date | Purpose | Gross amount | Granting body | |
|---|---|---|---|---|
| May 15, 2026 | De minimis aid (in accordance with Commission Regulation 2023/2831) | $5,402$5,402 | Prezes Banku Gospodarstwa Krajowego | |
| Apr 22, 2026 | De minimis aid (in accordance with Commission Regulation 2023/2831) | $8,644$8,644 | Prezes Banku Gospodarstwa Krajowego | |
| May 8, 2025 | De minimis aid (in accordance with Commission Regulation 2023/2831) | $10,045$10,045 | Prezes Banku Gospodarstwa Krajowego |
Tenders
11 tenders recorded as contractor: 10 national ($16,757,275) and 1 EU ($3,590,676).
| Publication date | Subject | Amount | Contracting authority | |
|---|---|---|---|---|
| Jun 18, 2026 | Budowa budynku garażowo-technicznego KP PSP w Grajewie | $2.2M$2,236,438 | Komenda Powiatowa Państwowej Straży Pożarnej w Grajewie | |
| Jan 7, 2026 | Roboty budowlane polegające na Przeniesieniu i modernizacji Apteki Szpitalnej z pracownią przygotowywania cytostatyków oraz modernizacja Zakładu Diagnostyki obrazowej w formule "zaprojektuj i wybuduj" w Uniwersyteckim Dziecięcym Szpitalu Klinicznym im. L. Zamenhofa w Białymstoku | $3.6M$3,590,676 | Uniwersytecki Dziecięcy Szpital Kliniczny Im. L. Zamenhofa w Białymstoku | |
| Oct 8, 2025 | Modernizacja pomieszczeń pracowni bronchoskopowej (ul. Żurawia) | $534.2K$534,157 | Uniwersytecki Szpital Kliniczny w Białymstoku |
Regulatory authorisations
| Authority | Type | Status | |
|---|---|---|---|
 BDO | BDO register entry | Active |
Authorized Representatives
Manner of representation
Each member of the management board independently.
Ownership
| Owner | Shares | Share value | Stake |
|---|---|---|---|
Marzena Kosińska (52) | 40 | $1,080.50 | 40% |
Mariusz Kosiński (54) | 60 | $1,620.75 | 60% |
Mariusz Kosiński and Marzena Kosińska hold a combined 100% – the ownership structure indicates family control.
Beneficial owners
| Person | Rights | |
|---|---|---|
Marzena Kosińska (52)  | Shareholder of a limited liability company, 4000.0 PLN | |
Mariusz Kosiński (54) | Shareholder of a limited liability company, 6000.0 PLN |
Competitors
| Name | Revenue | Website | ||
|---|---|---|---|---|
| Przedsiębiorstwo Wielobranżowe. Mat-Budsp. z o.o. + limited partnership | $49,481,569.23 | matbud-torun.pl | ||
| Serwis BudowyS.A. | $10,952,427.26 | serwisbudowy.pl | ||
| Bud - Metallco Przedsiębiorstwo Wielobranżowesp. z o.o. | $8,703,092.08 | metallco.pl | ||
| Buduj24.Plsp. z o.o. | $4,163,417.72 | buduj24.pl | ||
| Centrum Budowlane Winpolsp. z o.o. + limited partnership | $1,806,511.90 | winpol.pl | ||
| MB Szostak Hurtownia Budowlanasp. z o.o. | $983,485.70 | mbszostak.pl | ||
| Książbud Składy Budowlanesp. z o.o. | $755,456.11 | ksiazbud.pl |
FAQ
Last updated: 2026-07-17