Solution: For non - Hong Kong resident shareholders or directors, notarize and authenticate identity documents through local notary offices or law firms, and then submit them to the Hong Kong Companies Registry.

Solution: Before registering the company, shareholders should sign a detailed shareholders' agreement to clarify equity ratios, capital contribution methods, decision - making mechanisms, profit - sharing methods, etc.

Solution: Seek professional secretarial service companies, which usually can provide compliant registered addresses. Ensure the address is real, valid, and suitable for receiving important documents.

Solution: Submit an application along with supporting documents to the Companies Registry for address change registration within 15 days after the change.

Solution: Determine the registered capital based on the company's actual business needs, development plans, and factors like business scale.

Solution: The registered capital can be adjusted. An increase may require payment of stamp duty, and a decrease must follow strict procedures to protect the interests of creditors.

Solution: Hire professional Hong Kong accountants or tax advisors. The company itself should also enhance tax knowledge learning and establish a sound financial management system.

Solution: Consider the nature and characteristics of profit - generating transactions and the location of relevant business activities. Profits generated outside Hong Kong may not be subject to tax, but sufficient evidence should be provided to the tax authority.

Solution: Set reminders or entrust professional secretarial companies to handle the annual review to avoid fines.

Solution: Select secretarial companies with qualifications, good reputation, and professionalism. Understand service details before signing the contract. If there are problems, communicate promptly or consider changing the company.