Mostostal Warszawa SA is one of the largest construction companies in Poland.

On June 27, 2025, Mostostal Warszawa signed a contract for the implementation of the project entitled “Modernization and Expansion of the Former Światowid Cinema Building for the Needs of the New Huta Museum.” The contract includes comprehensive construction and conservation work with a total value of PLN 60,177,750 gross.

Mostostal Warszawa has signed a contract with the John Paul II International Airport Kraków – Balice for the implementation of the investment titled “Construction of the Central Waste Collection Facility.” The value of the contract is PLN 8,887,000 net (PLN 10,931,010 gross). The planned completion date is September 1, 2026.

On the construction site of the Opatów bypass, county-level emergency response drills titled "OBWODNICA 2025" were conducted. The event involved the State Fire Service, medical teams, the Police, crisis management units, as well as representatives of the investor and the contractor. The main goal was to refine response procedures in the event of large-scale road incidents.

Mostostal Warszawa has completed the investment project involving the design and construction of the northern connector to the Opatów bypass. The contract value amounted to PLN 57.51 million gross.