| Economic/financial |
| Worsening of performance (6) | ISO 9001: Alič (2014), Sansalvador and Brotons (2015), Kafel and Simon (2017) |
| ISO 9001 and ISO 14001: Alič (2012), Hernandez-Vivanco and Bernardo (2023) |
| UNGC: Amer (2018) |
| Improvement of performance (3) | ISO 9001: Kafel and Simon (2017) |
| OHSAS 18001: Hernandez-Vivanco and Bernardo (2023) |
| SA 8000: Podrecca et al. (2021) |
| No effect (5) | ISO 9001: Cândido et al. (2016), Cândido et al. (2021), Zimon and Dellana (2019), Hernandez-Vivanco and Bernardo (2023) |
| ISO 14001: Hernandez-Vivanco and Bernardo (2023) |
| ISO 9001, ISO 14001, and OHSAS 18001: Hernandez-Vivanco and Bernardo (2023) |
| SA 8000: Podrecca et al. (2021) |
| Other |
| Worsening of performance (1) | ISO 9001: Zimon and Dellana (2019) |
| Improvement of performance (1) | ISO 9001: Zimon and Dellana (2019) |
| No effect (2) | ISO 9001: Zimon and Dellana (2019) |
| ISO 14001: Mosgaard and Kristensen (2020) |