The deal, which benefits from EU financing under operational programme Environment 2014-2020, was signed on November 13, the contracting authority said in a notice published on the website of the public procurement agency on Friday.
According to Bulgarian registry agency data, Buildner controls 95% of the awarded tie-up, while Ruen Holding and Rent Stroy Tehnic hold stakes of 2% and 3%, respectively.
The contractor will be responsible for carrying out works on the technical and biological recultivation of the landfill, located near the town of Pavlikeni in northern Bulgaria.
The tender for awarding the contract attracted bids from five candidates. Technical criteria carried 60% weight in the overall ranking of the offers.
Sofia-based Buildner is specialised in construction and civil engineering works and is also active in the construction of composting installations and landfills, according to data published in the commercial register.
(1 euro = 1.95583 levs)