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Professional training course · QP-028

Customer Complaint Handling (ISO 10002)

Complaints are valuable feedback that can prevent customer loss and reveal process failures. Organisations that handle complaints well turn dissatisfied customers into…

  • 5 daysClassroom or online
  • 13Upcoming dates
  • 7Cities
  • £2,850Fees from

Course overview

Why Attend

Complaints are valuable feedback that can prevent customer loss and reveal process failures. Organisations that handle complaints well turn dissatisfied customers into loyal ones.

This LLMI course explains complaint handling principles and ISO 10002 guidance, designing a complaint process, receiving and acknowledging complaints, investigation and resolution, communication with customers, data analysis and using complaints to drive improvement. Participants design a complaint handling process.

The course suits quality, customer service and compliance professionals.

Course Objectives

Explain complaint handling principles and ISO 10002

Design an accessible complaint handling process

Investigate and resolve complaints fairly

Communicate effectively with complainants

Analyse complaint data for trends and root causes

Use complaints to improve products and services

Target Audience

Customer service managers

Quality managers

Complaint handlers

Compliance professionals

Operations managers

Public sector service staff

Course Methodology

Process design workshops

Role plays

Data analysis exercises

Case studies

Group discussions

Course outline

  1. 1Day 1: Complaint Handling Principles
    • Value of complaints
    • ISO 10002 overview
    • Principles
    • Regulatory expectations
    • Customer expectations
    • Exercise: Complaint process review
  2. 2Day 2: Designing the Process
    • Channels
    • Recording
    • Acknowledgement
    • Responsibilities
    • Timelines
    • Workshop: Process design
  3. 3Day 3: Investigation and Resolution
    • Investigation
    • Fair outcomes
    • Remedies
    • Escalation
    • Closure
    • Role play: Handling a complaint
  4. 4Day 4: Communication
    • Empathy
    • Difficult customers
    • Written responses
    • Apologies
    • Service recovery
    • Exercise: Response letter
  5. 5Day 5: Analysis and Improvement
    • Complaint data
    • Trend analysis
    • Root causes
    • Reporting
    • Continuous improvement
    • Capstone: Complaint handling plan

Schedule

Dates and fees

13 upcoming dates in 7 cities. Fees are per delegate; bring colleagues and every seat is discounted. Every date can also be joined live online for £1,050.

All dates as PDF
December 2026
21DEC 21 - 25 Dec 2026Mon to Fri · 5 daysNext session
Spain flag BarcelonaSpain · Classroom
£3,850per delegate2+ people: £3,080 each
January 2027
18JAN 18 - 22 Jan 2027Mon to Fri · 5 days
Netherlands flag AmsterdamNetherlands · Classroom
£4,250per delegate2+ people: £3,400 each
February 2027
15FEB 15 - 19 Feb 2027Mon to Fri · 5 daysOur home city
United Kingdom flag LondonUnited Kingdom · Classroom
£4,200per delegate2+ people: £3,360 each
March 2027
15MAR 15 - 19 Mar 2027Mon to Fri · 5 days
Turkey flag IstanbulTurkey · Classroom
£2,850per delegate2+ people: £2,280 each
April 2027
19APR 19 - 23 Apr 2027Mon to Fri · 5 days
Austria flag ViennaAustria · Classroom
£4,250per delegate2+ people: £3,400 each
May 2027
17MAY 17 - 21 May 2027Mon to Fri · 5 days
Spain flag BarcelonaSpain · Classroom
£3,850per delegate2+ people: £3,080 each
June 2027
21JUN 21 - 25 Jun 2027Mon to Fri · 5 days
France flag ParisFrance · Classroom
£4,500per delegate2+ people: £3,600 each
July 2027
19JUL 19 - 23 Jul 2027Mon to Fri · 5 days
Germany flag FrankfurtGermany · Classroom
£3,250per delegate2+ people: £2,600 each
August 2027
16AUG 16 - 20 Aug 2027Mon to Fri · 5 days
Spain flag BarcelonaSpain · Classroom
£3,850per delegate2+ people: £3,080 each
September 2027
20SEP 20 - 24 Sep 2027Mon to Fri · 5 days
Netherlands flag AmsterdamNetherlands · Classroom
£4,250per delegate2+ people: £3,400 each
October 2027
18OCT 18 - 22 Oct 2027Mon to Fri · 5 daysOur home city
United Kingdom flag LondonUnited Kingdom · Classroom
£4,200per delegate2+ people: £3,360 each
November 2027
15NOV 15 - 19 Nov 2027Mon to Fri · 5 days
Turkey flag IstanbulTurkey · Classroom
£2,850per delegate2+ people: £2,280 each
December 2027
20DEC 20 - 24 Dec 2027Mon to Fri · 5 days
Austria flag ViennaAustria · Classroom
£4,250per delegate2+ people: £3,400 each

Questions

Frequently asked questions

How long is the Customer Complaint Handling (ISO 10002) course?

The course runs over 5 days of classroom training, usually Monday to Friday.

When is the next Customer Complaint Handling (ISO 10002) course?

The next public date is 21 - 25 Dec 2026 in Barcelona. There are 13 upcoming dates in total.

Where is this course held?

Upcoming sessions run in Barcelona, Amsterdam, London, Istanbul, Vienna, Paris, Frankfurt.

Can I take Customer Complaint Handling (ISO 10002) online?

Yes. Every date can also be joined live online in a virtual classroom with the trainer, for £1,050 per participant. Choose "Live online" in the dates table when you register.

How much does the course cost?

Fees start from £2,850 per delegate, depending on the city. Fees include tuition and course materials.

Do participants receive a certificate?

Yes. Delegates who complete the course receive a London Leadership Management Innovation certificate of completion.

Can this course be delivered in-house for our team?

Yes. LLMI can tailor and deliver this course privately for your organisation at your premises or in one of our training cities.

Course information last updated 14 November 2026.

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