KOS is a leading Italian healthcare group that operates in the area of social health, residential care for chronic illnesses, rehabilitation and mental health services, advanced technology applied to medicine and acute care medicine.

The KOS Group operates in 11 Italian regions and two foreign countries; it has a total of over 8,157 beds. KOS manages 86 facilities in Italy: 50 nursing homes; 15 rehabilitation centres; 13 psychiatric treatment communities and 6 mental health clinics; 2 hospitals. It also operates 24 outpatient rehabilitation and diagnosis clinics and 33 diagnosis and therapy service centres (15 in Italy, 15 in India and 3 in the UK). Over 8,513 people work with the group, including 7,000 employees.