In this digital age, trade unionism is on a descending path in most developed economies. This study has explored the factors contributing to union commitment in the pharmaceutical selling sector. This sector was chosen due to its growing importance in the Indian macroeconomic landscape. Further, we investigated how industrial relations climate moderated the relationship between the factors and the members’ commitment. The empirical research draws on 376 dat a f rom a nati onal craft union. The findings depict that procedural justice at the workplace and union effectiveness emerged as significant factors. The industrial relations climate partially moderated the relationship between union commitment and its determinants. The article contributes to the literature by unpacking the evolving industrial relations issues in the dynamic business environment.