ISO checklist for good customer support

Here’s an ISO-aligned checklist for good customer support, drawing on standards such as ISO 10002:2018 (Customer satisfaction — Guidelines for complaints handling) and ISO 9001:2015 (Quality management systems).


🧭 1. Customer Focus & Policy

  • A documented customer service policy is in place.

  • The policy aligns with the organization’s quality objectives.

  • Customer focus is embedded in company culture and communicated to all staff.

  • Roles and responsibilities for customer support are clearly defined.


📋 2. Complaint Handling Process (ISO 10002)

  • A formal, accessible, and simple complaint process is established.

  • Complaints can be submitted via multiple channels (email, web form, phone, etc.).

  • Each complaint is acknowledged promptly.

  • A unique reference number is assigned for tracking.

  • Resolution timelines are clearly communicated to the customer.

  • Complaint records are retained and reviewed for trends and improvement.

  • Escalation procedures are documented and applied consistently.


📞 3. Communication & Responsiveness

  • Support channels are available and responsive (as per service-level targets).

  • Staff provide clear, polite, and professional communication.

  • Customers receive regular updates on open issues.

  • Support scripts/templates are standardized but allow personalization.

  • Multilingual support and accessibility options are available (if applicable).


👩‍💼 4. Competence & Training

  • Customer support staff undergo regular training on products, systems, and soft skills.

  • Training records are maintained.

  • Performance reviews include customer satisfaction metrics.

  • Staff are empowered to resolve issues within defined authority levels.


📊 5. Monitoring, Measurement & Feedback

  • Customer satisfaction surveys are regularly conducted.

  • Key Performance Indicators (KPIs) are tracked, such as:

    • Average response/resolution time

    • Customer satisfaction score (CSAT)

    • Net Promoter Score (NPS)

    • First Contact Resolution (FCR) rate

  • Feedback results are analyzed and used for improvement.

  • Reports are reviewed by management periodically.


🔄 6. Continuous Improvement

  • A Corrective Action process is in place for recurring issues.

  • Lessons learned are shared across departments.

  • The complaint handling process is periodically audited and updated.

  • Improvement actions are documented and tracked to closure.


🧱 7. Documentation & Record Control

  • Policies, procedures, and records are document-controlled (revision history, approvals, etc.).

  • Records of customer interactions and resolutions are secure and confidential.

  • Data protection complies with ISO 27001 and GDPR (where applicable).