Average EV/EBITDA of 43 Eng'g and Construction Firms: 13.17The projected EBITDA for 2024 for professional services is: 850m per NBF, or a valuation of 11.2 B or 63$/share. Add concessions (2.5B) and subtract net debt (2.5B). The multiples are on this link:https://pages.stern.nyu.edu/~adamodar/New_Home_Page/datafile/vebitda.html The Excel sheet with detailed ratios of all firms assessed is provided on a link top left. https://pages.stern.nyu.edu/~adamodar/pc/datasets/indname.xls Prof. Damodaran (Stern NYU) is recognized as the key reference in Entreprise valuations.