PurposeThe objective of this paper is to study the impact of ISO 9000 implementation on organisational culture, organisational climate, role stress and coping strategy.Design/methodology/approachISO 9000 was implemented in different production units of an Indian public sector manufacturing industry by harnessing organisational knowledge through the creative involvement of organisational members. Comprehensive work redesign for enhanced organisational effectiveness was realised while attaining ISO 9000 certification. Pre‐ and post‐ISO 9000 measurements were made for organisational culture in the first unit, organisational climate in the second unit, role stress in the third unit and coping strategy in the fourth unit. Statistical analysis of pre‐ and post‐measurements was carried out to identify significant changes attributable to ISO 9000 implementation.FindingsISO 9000 implementation enhances the culture of collaboration; transforms the climate from dysfunctional to functional (by strengthening achievement and extension, and weakening control); levels the role stress, reducing it when it is high, increasing it when it is low; strengthens confrontation and problem solving through teamwork; and weakens problem‐avoidance.Originality/valueThe paper demonstrates that ISO 9000 implementation complements organisational development by enhancing the functionality of culture, climate, and coping strategy; and promoting human wellbeing in the organisation.