“…The latest available global statistical data testifies to the trend as 75% (compared to 18% in 2002) of Published by ECSDEV, Via dei Fiori, 34, 00172, Rome, Italy http://ecsdev.org N100 companies (the top 100 companies by revenue in each of the 49 countries researched) and 93% (compared to 45% in 2002) of G250 companies (the world's 250 largest companies by revenue based on the Fortune 500 ranking of 2016) prepare and publish its sustainability reporting (KPMG, 2017, p. 9). The research in sustainability reporting is now vast area covering the preparation of the very report including among others frameworks of SR (Dumay, 2019;Hahn & Lülfs, 2014), voluntary vs. mandatory reporting (La Torre et al, 2020;Tjahjadi et al, 2020), stakeholders engagement (Bepari & Mollik, 2016;Herremans et al, 2016;Rhianon Edgley et al, 2010), materiality (Canning et al, 2019;Mio et al, 2020;Torelli et al, 2020), quality of SR (Daub, 2007;Michelon et al, 2015;van Staden & Hooks, 2007) as well as SR assurance which is manifested in such topics as accounting vs. non-accountants assurance providers (Farooq & de Villiers, 2017, 2019a, 2019b, assurance report content and quality (Hummel et al, 2019;Rossi & Tarquinio, 2017). This research areas constantly (1) produce a tangible amount of new publications and (2) gives new shoots in terms of the emergence of new branches of research and that in turn engenders the emergence of new studies that seek to capture the ever-growing field using the bibliometrics techniques into a digestible picture.…”