Appeals, Complaints, and Disputes Management

Excel Sustainability Management & Technology Co., Limited attaches great importance to customer satisfaction. In order to continuously improve our service quality, we will humbly listen to your opinions or suggestions and make timely investigation and addressing. If you have any comments or suggestions regarding the certification and audit activities of our company or the client companies audited and certified by us, you are welcome to present to our integrity manager through email at

Click followed link to view Complaint & Appeal Resolution Procedure.

Any further information requested, please leave your message and your contact information in below on-line form: (please specify the reason for your suggestion/dissatisfaction, report number, contact information of our company, your telephone number and email address), so that we can process your request timely and accurately.