A new HK company need to Tax Return after 18 monthes since its incorporated.
If your company donot have any commercial business during the year, you donot need to pay tax in HK, Just need to report "zero profit" to the Government, we will help you report it freely.
If your company have business in HK or got profit from HK, your company should book keeping and audit, Tax return annually.
We offer CPA services for you, include HK company book keeping services, HK company Audit services, but it will cost extra charges.