The construction contract is estimated at 953.5 million lei (about EUR220 million). Works will be finished in three and a half years.
The five bids were filed by German company Hochtief (a EUR218.3 million price offer), Spanish constructor FCC Construction (EUR210.52 million bid) and by consortia Somet/Astaldi (Italy)/TIAB/UTI (EUR164.41 million), Aktor (Greece)/Euroconstruct/Arcada (EUR194.18 million) and Max Boegl Romania/Max Bogl (Germany)/Delta ACM (EUR204.53 million).
Metrorex general manager Gheorghe Udriste said the auction winner will be announced in about a month and construction works will most likely start this summer.
The project is financed with funds from the state budget.
Bidders had until this Friday to file offers.