Chlarein Biotechnology (HK) Company Limited
元啟生物科技（香港）有限公司
About this company
Chlarein Biotechnology (HK) Company Limited is a Hong Kong private company limited by shares incorporated on November 24, 2022. It is registered with company registration (CR) number 3211694 and business registration number (BRN) 74637891. It is one of 105,241 companies incorporated in Hong Kong in 2022. The company is currently active on the Hong Kong Companies Register. It previously operated under the name Protero Biotechnology (HK) Company Limited until April 16, 2024. Its registered office is at UNITS 2803A, 28/F WU CHUNG HSE 213 QUEEN'S RD EAST WANCHAI HONG KONG. There are 17 documents on file with the Companies Registry dating back to 2022, most recently (C)FND2A - Notice of Change of Company Secretary and Director (Appointment/Cessation) filed on March 25, 2026.
Company Information
- CR Number
- 3211694
- BRN
- 74637891
- Company Type
- Private company limited by shares
- Type Category
- Local company
Dates & Status
- Incorporation Date
- 2022-11-24
- Has Charges
- No
- Dormant
- No
Registered office
Current address
UNITS 2803A, 28/F WU CHUNG HSE 213 QUEEN'S RD EAST WANCHAI HONG KONG
1 earlier registered-office address on file for this company. (earliest on record: 2022-11-24)
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Name History
| Name | From | To |
|---|---|---|
| 元啟生物科技（香港）有限公司 | 2024-04-16 | Current |
| 元古宙生物科技（香港）有限公司 | 2022-11-24 | 2024-04-16 |
| Chlarein Biotechnology (HK) Company Limited | 2024-04-16 | Current |
| Protero Biotechnology (HK) Company Limited | 2022-11-24 | 2024-04-16 |
Company Documents
(C)FND2A - Notice of Change of Company Secretary and Director (Appointment/Cessation)
2026-03-25 · Director/Secretary Change
(E)FND4 - Notice of Resignation of Company Secretary and Director
2026-03-16 · Director/Secretary Change
(E)FNR1 - Notice of Change of Address of Registered Office
2025-12-16 · Address Change
(E)FND2A - Notice of Change of Company Secretary and Director (Appointment/Cessation)
2025-12-16 · Director/Secretary Change
(E)FNAR1 - Annual Return
2025-11-24 · Annual Return
(E)Rectification of Typographical or Clerical Error in Registered Document
2025-09-22 · Other
(E)FNAR1 - Annual Return
2025-09-09 · Annual Return
(E)FNR1 - Notice of Change of Address of Registered Office
2025-09-09 · Address Change
(E)FND2A - Notice of Change of Company Secretary and Director (Appointment/Cessation)
2025-09-09 · Director/Secretary Change
(E)FNNC2 - Notice of Change of Company Name
2024-04-16 · Name Change
Certificate of Change of Name
2024-04-16 · Name Change
(E)FND4 - Notice of Resignation of Company Secretary and Director
2024-02-08 · Director/Secretary Change
(E)FNAR1 - Annual Return
2024-01-30 · Annual Return
Information Sheet regarding Using Business Registration Number as Unique Business Identifier
2023-12-27 · Other
(E)FNNC1 - Incorporation Form (Company Limited by Shares)
2022-11-24 · Share Related
(E)Articles of Association
2022-11-24 · Memorandum & Articles
Certificate of Incorporation
2022-11-24 · Incorporation
| Document | Type | Filing Date | Order |
|---|---|---|---|
| (C)FND2A - Notice of Change of Company Secretary and Director (Appointment/Cessation) | Director/Secretary Change | 2026-03-25 | |
| (E)FND4 - Notice of Resignation of Company Secretary and Director | Director/Secretary Change | 2026-03-16 | |
| (E)FNR1 - Notice of Change of Address of Registered Office | Address Change | 2025-12-16 | |
| (E)FND2A - Notice of Change of Company Secretary and Director (Appointment/Cessation) | Director/Secretary Change | 2025-12-16 | |
| (E)FNAR1 - Annual Return | Annual Return | 2025-11-24 | |
| (E)Rectification of Typographical or Clerical Error in Registered Document | Other | 2025-09-22 | |
| (E)FNAR1 - Annual Return | Annual Return | 2025-09-09 | |
| (E)FNR1 - Notice of Change of Address of Registered Office | Address Change | 2025-09-09 | |
| (E)FND2A - Notice of Change of Company Secretary and Director (Appointment/Cessation) | Director/Secretary Change | 2025-09-09 | |
| (E)FNNC2 - Notice of Change of Company Name | Name Change | 2024-04-16 | |
| Certificate of Change of Name | Name Change | 2024-04-16 | |
| (E)FND4 - Notice of Resignation of Company Secretary and Director | Director/Secretary Change | 2024-02-08 | |
| (E)FNAR1 - Annual Return | Annual Return | 2024-01-30 | |
| Information Sheet regarding Using Business Registration Number as Unique Business Identifier | Other | 2023-12-27 | |
| (E)FNNC1 - Incorporation Form (Company Limited by Shares) | Share Related | 2022-11-24 | |
| (E)Articles of Association | Memorandum & Articles | 2022-11-24 | |
| Certificate of Incorporation | Incorporation | 2022-11-24 |
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Frequently asked questions
When was Chlarein Biotechnology (HK) Company Limited incorporated?
Chlarein Biotechnology (HK) Company Limited was incorporated in Hong Kong on November 24, 2022.
Is Chlarein Biotechnology (HK) Company Limited still active?
Yes. Chlarein Biotechnology (HK) Company Limited is currently active on the Hong Kong Companies Register.
What are Chlarein Biotechnology (HK) Company Limited's CR number and BRN?
Chlarein Biotechnology (HK) Company Limited's company registration (CR) number is 3211694 and its business registration number (BRN) is 74637891.
Where is Chlarein Biotechnology (HK) Company Limited's registered office?
Chlarein Biotechnology (HK) Company Limited's registered office is at UNITS 2803A, 28/F WU CHUNG HSE 213 QUEEN'S RD EAST WANCHAI HONG KONG.
What type of company is Chlarein Biotechnology (HK) Company Limited?
Chlarein Biotechnology (HK) Company Limited is a private company limited by shares on the Hong Kong Companies Registry.
How many documents has Chlarein Biotechnology (HK) Company Limited filed?
Chlarein Biotechnology (HK) Company Limited has 17 documents on file with the Hong Kong Companies Registry, dating back to 2022.
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