BUSINESS REGISTRATION NUMBER
BRN 74617675

Live

BK Biosciences Limited

班科（香港）生物科學有限公司

Registry Verified: 2026-09-12

Jurisdiction: Hong Kong, China

BK Biosciences Limited (班科（香港）生物科學有限公司) is a Hong Kong corporation duly incorporated under the Companies Ordinance (Cap. 622), legally classified as a Private company limited by shares. Its official Company Registration Number (CR No. / CRN) is 3209680, and Business Registration Number (BRN) is 74617675. Incorporated on 2022-11-18, the entity has maintained continuous statutory operations for 3 years and 11 months, currently holding an active legal status of Live. The registered office is situated at 6/F, BUILDING 17W, 17 SCIENCE PARK WEST AVENUE, SHA TIN DISTRICT, NEW TERRITORIES, HONG KONG. Regarding statutory filings, pursuant to Section 662 of the Companies Ordinance (Cap. 622), its annual return filing window falls between Nov 18 – Dec 30 (within 42 days after its incorporation anniversary), with the latest Annual Return (Form NAR1) officially filed on 2025-11-21; a total of 11 statutory filings (spanning 2022–2025, latest filed on 2025-11-21) are indexed in the registry, comprising 3 Annual Return(s) (NAR1), 1 officer/secretary change notice(s) (ND2A), 1 registered office change(s) (NR1).

I. Corporate Profile & Statutory Registry Records

Official Chinese Name	班科（香港）生物科學有限公司	Official English Name	BK Biosciences Limited
Company Reg No. (CRN)	3209680	Business Reg No. (BRN / UBI)	74617675 HK Unique Business ID · US IRS Form W-8BEN-E Foreign TIN
Incorporation Date	2022-11-18	Company Category	Private company limited by shares
Current Legal Status	Live	Statutory Filing Cycle	2026-11-18(2025 Return Filed) 42d NAR1 Window: Nov 18 – Dec 30 · Latest NAR1: 2025-11-21

Registered Office Address	6/F, BUILDING 17W, 17 SCIENCE PARK WEST AVENUE, SHA TIN DISTRICT, NEW TERRITORIES, HONG KONGHong Kong Science Park · Sha Tin · 844 Co-Located Entities →
Significant Controllers (SCR)	Statutorily maintained. To penetrate ultimate beneficial owners (UBO) and holding structures, please apply for a Due Diligence Report.

#	Filing Date	Document No.	Document Name	Pages	Tariff
1	2025-11-21	23102475327	NAR1 Annual Return (2025) (English)Latest Shareholders & Directors	11	HK$ 28
2	2025-11-21	24001979724	ND2B Notice of Change of Company Secretary and Director (Particulars) (English)	3	HK$ 20
3	2024-11-18	22202850671	NAR1 Annual Return (2024) (English)	11	HK$ 28
4	2023-12-27	SH001741107	BRN_REF Reference Document for Business Registration Number as UBI	1	HK$ 30
5	2023-11-28	22302365238	NAR1 Annual Return (2023) (English)	9	HK$ 28
6	2023-11-17	22001503134	NR1 Notice of Change of Address of Registered Office (English)	1	HK$ 20
7	2022-12-19	22502247963	DOC Rectification of Typographical or Clerical Error in Registered Document (English)	5	HK$ 20
8	2022-12-19	22502247962	DOC Rectification of Typographical or Clerical Error in Registered Document (English)	4	HK$ 20
9	2022-11-18	22502242714	NNC1 Incorporation Form (Company Limited by Shares)	9	HK$ 28
10	2022-11-18	40019661947	CI Certificate of Incorporation (CI)	1	HK$ 20

III. Commercial Due Diligence & Regulatory Risk Screening

Cross-screened across 32 HK statutory regulators, court dockets & sanctions registers: 0 licences, 0 public litigation/HCCW records, 0 sanctions hits.

IV. Corporate Statutory Dossier & Legal Status FAQ

Is BK Biosciences Limited a legally registered Hong Kong company? What is its operational status?

Yes. BK Biosciences Limited is a legitimate Hong Kong corporation (Private company limited by shares) duly incorporated under the Companies Ordinance (Cap. 622) on 2022-11-18 (operating for 3 years). According to official registers of the Hong Kong Companies Registry (CR), the entity holds an active statutory standing of [Live / In Operation], possessing independent legal personality and full corporate capacity (Statutory verification: September 2026).

What is the Business Registration Number (BRN) and Company Registration Number (CRN) of BK Biosciences Limited?

The statutory primary identifiers for BK Biosciences Limited are: 1. Business Registration Number (BRN / Unique Business Identifier UBI): [74617675] (effective from 27 December 2023 under Cap. 310, this 8-digit number serves as the unified corporate identifier and the official Foreign TIN for US IRS Form W-8BEN-E, Line 9b); 2. Company Registration Number (CRN): [3209680] (Cap. 622 incorporation archive number; do not enter the 7-digit CRN as the tax ID). Together, these dual keys uniquely lock the entity in international banking KYC and cross-border contracts.

Who are the statutory directors of BK Biosciences Limited? How to retrieve its shareholding and Ultimate Beneficial Owner (UBO)?

Under the Companies Ordinance (Cap. 622) of Hong Kong, incorporated companies do not maintain a single 'legal representative' position; the Board of Directors (Section 643) exercises statutory management authority. Complete current and historical directorships (Form ND2A), registered member shareholdings (Form NAR1 / Section 627), and Ultimate Beneficial Ownership (UBO / SCR under Part 12 Division 2A) are verified through official statutory filing retrieval.

Can I download the latest Annual Return (Form NAR1) or statutory filings for BK Biosciences Limited?

Yes. Statutory indexing confirms that BK Biosciences Limited has accumulated 11 official filing dossier(s) archived in the Hong Kong Companies Registry (latest statutory filing indexed on 2025-11-21: Form NAR1 - Annual Return (2025) (English)). Pursuant to Section 662 of the Companies Ordinance (Cap. 622), private companies must deliver an Annual Return (Form NAR1) within 42 days after each incorporation anniversary. Available barcoded dossiers include: latest Annual Return (Form NAR1 - detailing current share capital, registered office, directors, and member shareholdings), Incorporation Form (Form NNC1), Articles of Association, and Change of Company Secretary and Director notices (Form ND2A), each bearing authentic ICRIS electronic barcode verification.

Where is the statutory registered office of BK Biosciences Limited in Hong Kong?

The statutory registered office of BK Biosciences Limited on official record is situated at: [6/F, BUILDING 17W, 17 SCIENCE PARK WEST AVENUE, SHA TIN DISTRICT, NEW TERRITORIES, HONG KONG]. Official registry dossiers also record 1 statutory registered office address change filing(s) (Form NR1). Pursuant to Section 658 of the Companies Ordinance (Cap. 622), every Hong Kong company must maintain a registered office in Hong Kong to which all communications and legal notices may be addressed, and file Form NR1 within 15 days of any address change.