The unit, which provides services of building maintenance, logistics as well as care assistance, mainly in Spain, would be worth between 700 million euros ($748.5 million) and 800 million euros, Expansion reported. The unit employs 80,000 workers.

The newspaper said ACS has also hired Bank of America for the sale.

ACS, Societe Generale and Bank of America did not immediately respond to requests for comment.

Rivals Sacyr and Ferrovial already disposed parts or their entire units of services in the past months.

($1 = 0.9352 euros)

(Reporting by Inti Landauro and Corina Rodriguez; Editing by Jacqueline Wong)