
Do you need to register a business to open an online store? Understand the registration requirements, timing for starting a company, and processing fees in 3 minutes.
Opening an online store does not necessarily require setting up a company, but continuous profitable operation must register for business. Initially, personal registration is sufficient, and it can be upgraded to a limited company when expanding the business or needing to protect personal assets.
Summary of key points
- Regularly listing products, having inventory, and actively promoting are considered continuous operations, which require business registration.
- The annual fee for personal business registration is approximately HK$2,200.
- The annual maintenance cost for a limited company is about HK$5,000–$15,000.
- The tax rate for the first 2 million profits of a sole proprietorship is 7.5%.
- The tax rate for the first 2 million profits of a limited company is 8.25%.
- Some e-commerce platforms (such as HKTVmall) require sellers to be limited companies.
Under what circumstances must an online store register for business?
Provisions of the "Business Registration Ordinance."
According to Hong Kong's "Business Registration Ordinance" (Chapter 310), anyone "operating a business" in Hong Kong must register for business within one month of starting operations, and this applies to online businesses as well.Inland Revenue DepartmentThe definition is simple and straightforward: activities conducted for profit on a continuous basis, including online sales or providing services.
Occasionally selling idle items on Carousell does not constitute "operating a business," and registration is not required. However, if you regularly post products on IG, have inventory on hand, or actively promote, as long as you meet these three characteristics, you basically need to register.
Timing for upgrading from a sole proprietorship to a limited company.
Personal business registration (sole proprietorship) is sufficient to handle initial business, with simple procedures and low costs. However, when the following situations arise, it is advisable to seriously consider upgrading to a limited company:
- Starting to have large amounts of inventory, warehousing, or logistics expenses.
- Need to bring in partners or external investment.
- Planning to collaborate with corporate clients (who usually only sign contracts with limited companies).
- Concern about business debts affecting personal assets.
The core advantage of a limited company is "limited liability." Shareholders can only lose the amount invested, and personal savings and properties are not affected by business risks.
What tax advantages does a limited company have?
Hong Kong adopts different versions of two-tier profits tax for sole proprietorships and limited companies:
| Project | Personal business registration (sole proprietorship) | limited company |
|---|---|---|
| Tax rate on the first 2 million profits | 7.5% | 8.25% |
| Portion exceeding 2 million | 15% | 16.5% |
| Tax deduction flexibility | Lower | Higher (can deduct salaries, rent, equipment depreciation, etc.) |
| Audit requirements | 無 | Yes (qualifying small companies may be exempt) |
Although the initial tax rate for personal businesses is slightly lower, limited companies have greater flexibility in profit distribution, salary arrangements, and other aspects, providing a broader overall tax planning space. The higher the profit, the more significant the gap.
Extended reading: "TheComplete Guide to Hong Kong Profits Tax: Key Tax Points Every First-Time Entrepreneur Should Know》
Recommendations for starting a company in different scenarios

Freelancers: start as sole proprietors, upgrade if necessary
Designers, programmers, photographers, etc., can initially register as individuals. When income continues to grow, clients start to be primarily businesses, or when help is needed to share the workload, the professional image and limited liability protection of a limited company become very practical. In B2B scenarios, many corporate clients are only willing to sign contracts with limited companies, and this practical consideration cannot be ignored.
IG/FB online store sellers: need to register for continuous operation
The tax bureau will comprehensively consider whether the business is sustainable, with common reference factors including: regular listings, having inventory, and proactive promotion. The more conditions met, the more likely it is to be regarded as a sustainable operation, requiring business registration. Initial personal registration is sufficient, and after stable monthly sales growth, switching to a limited company allows for opening an independent business bank account, clearer fund management, and smoother applications for government funding in the future.
E-commerce platform sellers: pay attention to various platforms, which have different requirements
As long as sales on the platform are conducted for profit continuously, business registration is required. It is worth noting that some platforms (such as HKTVmall) explicitly require that registered merchants must be limited companies. If engaging in cross-border e-commerce, limited companies also have more convenience in applying for import and export licenses and opening multi-currency accounts.
Online businesses planning to expand: limited company structure is more flexible
If planning to attract investment, apply for government funding (such as the BUD Special Fund, Technology Voucher), or have plans to sell the business in the future, a limited company is almost a necessary condition. Shares can be transferred, and the company can continue to exist, making it much more flexible than a sole proprietorship.
What do you actually need to prepare for online store business registration?
To apply for a business registration, you must provide the business name, business address, nature of business, and start date, which can be done online atthe Taxation Department websiteor by visiting the Business Registration Office in person.
The current fees are as follows (for the year 2025/26):
| Category | Fee |
|---|---|
| One-year certificate | HK$2,200 |
| Three-year certificate | HK$6,020 |
The business address can be your residential address, but you must first confirm that the estate's deed and lease do not prohibit operating a business from home. Additionally, the residential address will be publicly available in the business register; if privacy is a concern, consider renting a virtual office instead. After registration, you must file profits tax annually, and all accounting records must be kept for at least 7 years for tax department audits.
Extended reading: "TheCan I use a virtual office for my business registration address? Requirements, change of address process in one article to see clearly》
Company vs Sole Proprietorship: A Quick Look at the Differences
| Personal business registration | limited company | |
|---|---|---|
| Annual basic fee | Approximately HK$2,200 | Approximately HK$5,000–$15,000 |
| Liability risk | Unlimited (personal asset exposure) | Limited (only liable for the invested amount) |
| Business image | Average | Stronger |
| Financing / Funding applications | More Difficult | Easier |
| Accounting audit requirements | 無 | Yes (small companies may be exempt) |
| Suitable situations | Initial, small scale, low risk | Expanding, high profit, need to protect personal assets |
Frequently Asked Questions
How much income is needed to start a company?
Hong Kong law does not specify how much income is required to open a company; the key is whether the business has continuity and profit intention. However, in practice, when annual profits exceed 500,000 to 1,000,000 HKD, the tax advantages of a limited company become apparent, and at this point, it is worth seriously evaluating whether upgrading is more cost-effective.
Does IG Shop require business registration?
As long as it has characteristics such as regular listing, maintaining inventory, and proactive promotion, it is considered continuous operation and requires business registration by law. Occasionally selling personal idle items does not fall under this category.
How to file taxes for an online store?
After receiving the profits tax return form sent by the tax bureau, fill it out according to the business's income and expenses. Remember to keep all receipts and accounts from the start of the business for at least 7 years for future tax bureau audits.
Can an individual business be converted into a limited company later?
Yes, but the process is not a direct conversion, but ratherto re-establish a limited companyand then transfer business assets, customer contracts, etc. one by one, and the original personal business registration must also be applied for cancellation separately. It is recommended to seek professional assistance to avoid tax or compliance loopholes.
Unsure which registration you should handle? Longfeng Business helps you clarify
whether to apply for a sole proprietorship or a limited company; there is no standard answer, it all depends on your business scale and development direction. Longfeng Business provides one-stop services for company registration and business registration, if you still have questions about the application, feel free toBooking Enquirylet us help you find the most suitable solution.
Extended reading: "TheComplete guide to starting a company in Hong Kong: processes, costs, and precautions》
