Those who are considering filing a complaint with the Communications Authority concerning a competition issue relating to telecommunications services are advised to read paragraphs 9 to 15 and the Information Checklist in Appendix B of "A Guide on How Complaints Relating to Conduct Prohibited under Sections 7K, 7L, 7N and 7Q of the Telecommunications Ordinance are Handled by the Office of the Communications Authority”.
Once you have formulated your complaint, you can send it to the Communications Authority using the following address-
Communications Authority
29/F, Wu Chung House,
213 Queen's Road East,
Wan Chai, Hong Kong
Telephone : 2961 6333
Fax : 2803 5110
Email :