ISO 10002:2018 Quality Management — Customer Satisfaction — Guidelines for Complaints Handling in Organizations
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About this publication
The ISO 10002:2018 Quality Management — Customer Satisfaction — Guidelines for Complaints Handling in Organizations standard provides internationally recognized guidance for establishing, operating, maintaining, and improving an effective customer complaints-handling process.
Developed by the International Organization for Standardization (ISO), ISO 10002 is designed to help organizations create a customer-focused environment that is open to feedback, resolves complaints fairly and efficiently, and uses complaint information to improve products, services, customer service, and overall organizational performance.
Unlike a simple customer-service procedure, ISO 10002 provides a structured management framework for handling complaints from beginning to end. It addresses the planning, design, development, operation, maintenance, and continual improvement of the complaints-handling process and can be incorporated into an organization's broader Quality Management System.
A major strength of ISO 10002 is its focus on making the complaints process open, effective, accessible, and easy to use. Organizations are encouraged to ensure that customers understand how to submit complaints, how their concerns will be evaluated, what communication they can expect, and how complaints will be tracked through resolution.
The standard also emphasizes the needs and expectations of complainants. Effective complaints management is not simply about closing a ticket or recording a response. Organizations should establish processes that enable complaints to be acknowledged, investigated objectively, addressed consistently, and resolved in a way that supports customer confidence.
ISO 10002 places significant responsibility on top management. Leadership is expected to demonstrate commitment to an effective complaints-handling process and ensure that appropriate resources are available, including competent personnel, training, communication systems, and supporting procedures.
Another major component of the standard is the analysis and evaluation of complaints. Complaint information can reveal recurring product defects, service failures, process weaknesses, communication problems, supplier issues, or changing customer expectations. ISO 10002 encourages organizations to use this information systematically rather than treating each complaint as an isolated event.
The standard also addresses monitoring, auditing, and reviewing the effectiveness and efficiency of the complaints-handling process. This allows organizations to determine whether complaints are being resolved appropriately, identify bottlenecks or recurring problems, and improve the process over time.
ISO 10002 is especially useful for organizations operating an ISO 9001-based Quality Management System. Customer feedback, customer satisfaction, nonconformity, corrective action, and continual improvement are central quality-management concepts, and ISO 10002 provides more detailed guidance for developing a professional and consistent complaints-management process.
The standard can also work alongside other standards in the ISO 10000 customer-satisfaction family. ISO 10004 addresses monitoring and measuring customer satisfaction, while ISO 10002 focuses specifically on managing complaints received by the organization. Together, they can provide a more complete framework for understanding customer perceptions, resolving dissatisfaction, and improving customer experience.
ISO 10002 is intended for organizations of any type or size and in all sectors, and its guidance can be adapted for businesses, manufacturers, service providers, government agencies, healthcare organizations, educational institutions, nonprofits, and other organizations dealing with customers or service users. The standard also includes specific guidance relevant to small businesses.
Importantly, ISO 10002 does not apply to disputes that have been referred for resolution outside the organization or to employment-related disputes. Its focus is the organization's own internal process for receiving, managing, resolving, analyzing, and learning from customer complaints.
The 2018 Third Edition remains current. ISO reviewed and confirmed the standard in 2023, meaning organizations can continue using ISO 10002:2018 as the current international reference for customer complaints handling.
At 31 pages, ISO 10002:2018 is compact enough to use as a practical management reference while still addressing the complete complaints-handling lifecycle. For organizations serious about customer satisfaction, service quality, and continuous improvement, it provides a far more disciplined approach than the timeless corporate strategy of hoping an angry customer eventually stops emailing.
Why This Standard Matters
ISO 10002:2018 is a valuable reference for organizations that want complaints to be handled consistently, transparently, and productively. It is especially useful for:
Quality managers and QMS professionals
Customer service and customer experience teams
ISO 9001 implementation teams
Operations managers
Compliance and risk professionals
Internal auditors
Consultants and trainers
Manufacturers and service organizations
Government and public-sector organizations
Small businesses
Organizations developing formal complaint procedures
Quality and management-system libraries
Product Features
Official ISO 10002:2018 International Standard
Current 3rd Edition
Reviewed and confirmed by ISO in 2023
Provides guidance for customer complaints handling
Applicable to organizations of any size or sector
Covers planning and design of a complaints-handling process
Addresses process development, operation, maintenance, and improvement
Encourages a customer-focused environment open to feedback
Supports fair and effective complaint resolution
Addresses the needs and expectations of complainants
Promotes an open and easy-to-use complaints process
Emphasizes top-management involvement and commitment
Addresses personnel resources and training
Supports structured analysis and evaluation of complaint data
Helps identify opportunities to improve products, services, and customer service
Covers auditing of the complaints-handling process
Addresses review of process effectiveness and efficiency
Suitable for integration with an overall Quality Management System
Useful alongside ISO 9001
Complements ISO 10004 customer-satisfaction monitoring and measurement guidance
Includes guidance relevant to small businesses
Product Details
Title: ISO 10002:2018 Quality Management — Customer Satisfaction — Guidelines for Complaints Handling in Organizations
Publisher: International Organization for Standardization (ISO)
Edition: 3rd
Published: July 2018
Number of Pages: 31
Status: Current / Confirmed
Last Systematic Review: Confirmed in 2023
Technical Committee: ISO/TC 176/SC 3
ICS: 03.120.10
Previous Edition: ISO 10002:2014