The MIRBUD Capital Group companies are:
The lead entity of the Group. MIRBUD has been operating under its name in the Polish construction market without interruption since 1988. MIRBUD was first listed on the Warsaw Stock Exchange in 2008. Since then, the Capital Group has been growing. MIRBUD S.A. specialises in general construction in all segments of the industry. The remaining Group companies provide complementary operations for MIRBUD S.A.
KOBYLARNIA S.A. is a subsidiary of MIRBUD, specialising in the production of mineral and bitumen mixes. KOBYLARNIA S.A. operates its own bitumen mixing plants which manufacture materials mainly for road infrastructure contracts delivered by the MIRBUD Capital Group. It joined the Group in 2010.
TRANSKOL Sp. z o.o. is a construction company operating in the rail industry. The core business of TRANSKOL include the design and end-to-end execution of retrofits and renovations of train stations, railway and tramway lines, and their appurtenant infrastructure.
In 2025, TRANSKOL joined the MIRBUD Capital Group, expanding its offer to include construction and installation services for the development of railway infrastructure in Poland.
The subsidiary JHM DEVELOPMENT S.A handles construction development and sale of single-family and multi-family residential buildings. JHM DEVELOPMENT develops projects in large and medium-sized towns throughout the country. It was established in 2008, initiating the process of growth of the MIRBUD Capital Group.
Marywilska 44 Sp. z o.o., as a subsidiary, owns and manages the C.H. MARYWILSKA 44 shopping mall in Warsaw. Marywilska 44 owns and manages a warehouse and logistics park in Ostróda.