PurposeDrawing on organisational support theory, this paper aims to investigate the relationships between servant leadership and (1) job burnout and (2) work–life balance, as mediated by perceived organisational support (POS) and perceived supervisor support (PSS), for both teleworkers and non-teleworkers. It is postulated that, under the influence of a servant leader, as well as a supportive workplace and supervisor, teleworkers and non-teleworkers will demonstrate reduced symptoms of job burnout and maintain a better balance between their professional and personal lives.Design/methodology/approachAn online survey was developed based on well-established scales. Primary data were collected from individuals working in 22 industrial sectors operating in Greece. In total, 211 individuals participated in this study, of whom 64 were teleworkers and 147 were non-teleworkers. Statistical analyses include Pearson's correlations, exploratory factor analyses and mediation analyses using SPSS Process Version 3.FindingsThe findings established that POS is the full mediator in the relationship between servant leadership and (1) job burnout and (2) work–life balance for both teleworkers and non-teleworkers, whereas PSS was not found to act as a mediator in the aforementioned associations.Originality/valueThis article offers robust evidence for servant leadership and organisational support scholarship by establishing that POS mediates the relationship between servant leadership and (1) job burnout and (2) work–life balance amidst COVID-19 for both teleworkers and non-teleworkers. This evidence contributes to understanding how and why servant leadership influences employee well-being not only in traditional working environments but also in the context of teleworking.