Feedback and Complaints

The CISI welcomes all feedback and complaints on any aspect of our customer service and products. All feedback will be responded to within 10 working days. In order to leave feedback or raise a complaint please contact us directly by email or telephone, Monday to Friday: 0:00 AM – 5:30 PM (GMT) at: feedbacksandcomplaints@cisi.org or +44 (0)20 7645 0777.

If you have already completed a feedback form and remain dissatisfied with the service you have received, please email us at feedbacksandcomplaints@cisi.org. Please ensure that you highlight your Feedback Reference Number confirmed within 2 workings days of submitting your original feedback.