Setting up a business in Hong Kong is renowned for its efficiency and ease. The city's commitment to free trade and entrepreneurial spirit is evident in its streamlined registration process. If you're considering offshore company registration, this step-by-step guide will walk you through the necessary procedures.

1. Company Name Approval
a. Check for Availability: Before anything else, you must ensure your chosen company name is unique. The Hong Kong Companies Registry provides an online search to verify if a name is already in use.

b. Follow Naming Guidelines: The name should not infringe on existing trademarks and must not be misleading or offensive.

2. Decide on the Company Structure
Determine whether you'll set up a Private Limited Company, Sole Proprietorship, Partnership, or a Foreign Company Office. Each has its advantages, regulations, and obligations.

3. Prepare Necessary Documentation
a. Articles of Association: This document outlines the company's rules and structure.

b. Incorporation Form: This contains essential details like company name, address, directors, shareholders, and company secretary details.

4. Register with the Companies Registry
a. Submit Documents: Provide the Articles of Association and the Incorporation Form, either online or in person.

b. Pay the Fees: There is a fee for company registration and business registration, which varies depending on the type of business.

c. Obtain Certificate: Once approved, you'll receive the Certificate of Incorporation and a Business Registration Certificate.

5. Set Up a Corporate Bank Account
Approach a bank in Hong Kong with the necessary company documents, proof of business activities, and details of directors and shareholders. Each bank has its specific requirements, so it’s wise to check in advance.

6. Apply for Licenses and Permits
Depending on your business's nature, you might require specific licenses or permits, e.g., for food businesses, recruitment agencies, or financial services.

7. Hire a Company Secretary
Though this can be done before registration, a company secretary is mandatory. They ensure compliance, maintain statutory records, and handle official correspondence.

8. Register for the Mandatory Provident Fund (MPF) Scheme
If you hire staff, it’s compulsory to register for the MPF, a social security system that ensures long-term retirement protection for employees.

9. Stay Updated with Annual Filings
Companies are required to file annual returns and renew business registrations. Make sure you adhere to these regulations to avoid penalties.

10. Keep an Eye on Tax Obligations
After the end of each financial year, companies must file a tax return. Engaging a local accountant can help navigate the tax landscape efficiently.

In conclusion, while the process of registering a company in Hong Kong is systematic and business-friendly, attention to detail is crucial. Missing a step or not adhering to the specific requirements can lead to delays. Hence, while this guide provides a general overview, it's always beneficial to seek advice from local business consultants or legal professionals when embarking on this journey.