The LNS Research Enterprise Quality Management Software (EQMS) 2025 Guidebook delivers a current look at a fast-evolving software category that has become central to Industrial Transformation (IX). EQMS now serves as the process engine for quality and value chain partners, driving disciplined, standardized execution across global operations. Adoption continues to climb—surpassing 30% in 2022—as manufacturers increasingly view EQMS as critical to both operational excellence and customer-experienced quality.   This guidebook defines the EQMS category, places it within the LNS Research IX Reference Architecture, and applies our 3P Evaluation Model—assessing Product, Potential, and Presence—to evaluate leading solution providers. Sixteen vendors were included based on strict inclusion criteria and relevance across major sectors such as Life Sciences, Automotive, Aerospace, Chemicals, and Industrial Manufacturing.   The analysis covers:   How EQMS has shifted from compliance-driven tools to connected, data-centric platforms.   The different architectural approaches vendors take—from stand-alone EQMS to PLM-, ERP-, and suite-based models. The role of new capabilities like AI/ML, analytics, automation, and integration with broader IX architectures.   The market’s pivot toward solutions built around user personas and real-time quality performance rather than static processes.   The report closes with practical guidance for operations and quality leaders: treat EQMS as part of a business transformation effort, align it with enterprise Industrial Transformation goals, focus on customer-experienced quality, and choose scalable, interoperable systems that can grow with the business.   For detailed vendor profiles and comparative insights, see the full EQMS SSM Vendor Compendium 2025, available exclusively to members in the LNS Research Member Library.