“…This value transcends the economic-financial market criteria of traditional financial statements (Mook et al, 2003;Richmond et al, 2003;Retolaza and San-Jose, 2021) and is essential to demonstrate the social contribution and progress toward the fulfillment of the mission of third sector entities (Sawhill and Williamson, 2001;Ebrahim and Rangan, 2014). Furthermore, in an environment of crisis and austerity, social value measurement can be a valid instrument of institutional legitimation for entities that are dependent on financial aid (Bagnoli and Megali, 2011;Luke et al, 2013;Mäkelä, 2021), justify the efficient use of the funds received (Millar and Hall, 2013;Arvidson and Lyon, 2014;Ebrahim and Rangan, 2014;Mook et al, 2015;Lazkano and Beraza, 2019; and help to improve the performance of social organizations Rangan, 2010, 2014;Gibbon and Dey, 2011;Cordery and Sinclair, 2013;Grieco et al, 2015;Mook et al, 2015). Particularly, in the field of organizations that work with people with disabilities, an important part of the social value is generated by its impact on improving the quality of life (QOL) and the emotional well-being of both service users and other stakeholders such as families, caregivers and staff .…”