BUSINESS REGISTRATION NUMBER
BRN 05670511

TELECOMMUNICATIONS & SECURITY SYSTEMS LIMITED

(通訊和安全系統有限公司)

Registry Verified: 2026-09-19
Jurisdiction: Hong Kong, ChinaJurisdiction: Hong Kong

TELECOMMUNICATIONS & SECURITY SYSTEMS LIMITED ((通訊和安全系統有限公司)) 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 0061947, and Business Registration Number (BRN) is 05670511. Incorporated on 1978-07-11, the entity has maintained continuous statutory operations for 48 years, currently holding an active legal status of Live. In terms of statutory licensing, the corporation is officially authorized and regulated in Hong Kong, holding Office of the Communications Authority (OFCA) (Licence No. RU00018374-RU). The registered office is situated at KAISER ESTATE, 41 MAN YUE STREET, HUNG HOM, HONG KONG.

I. Corporate Profile & OFCA Licensed Telecommunications Operator Statutory Licensing Status (OFCA Licence: RU00018374-RU)

Official Chinese Name (通訊和安全系統有限公司) Official English Name TELECOMMUNICATIONS & SECURITY SYSTEMS LIMITED
Name Evolution
(3 Former Names)
1978-07-11 Founding Incorp. Name
DATA 100 HONG KONG LIMITED
1987-04-03 Former Name 1
TELECOMMUNICATIONS & SECURITY SERVICES LIMITED
1987-06-17 Former Name 2
通訊和保密服務有限公司TELECOMMUNICATIONS & SECURITY SERVICES LIMITED
1999-05-21 Current Legal Name
(通訊和安全系統有限公司)TELECOMMUNICATIONS & SECURITY SYSTEMS LIMITED
Company Reg No. (CRN) 0061947 Business Reg No. (BRN) 05670511
Incorporation Date 1978-07-11 Company Category Private company limited by shares
Current Legal Status Live Statutory Filing Cycle
2027-07-11✓ 2026 Return Filed
Registered Office Address
KAISER ESTATE, 41 MAN YUE STREET, HUNG HOM, HONG KONGKaiser Estate · View Co-Located Entities →
Significant Controllers (SCR) Statutorily maintained. To penetrate ultimate beneficial owners (UBO) and holding structures, please apply for a Due Diligence Report.

II. OFCA Licensed Telecom Operator Document Retrieval(Annual Return NAR1 / Articles / ND2A / CTC)

#Filing DateDocument No.Document NamePagesTariffAction
12026-07-1423502431520
NAR1Annual Return (2026) (English)
2026-07-14·23502431520·14p·HK$ 28
14HK$ 28
22025-07-2323502295930
NAR1Annual Return (2025) (English)
2025-07-23·23502295930·14p·HK$ 28
14HK$ 28
32024-07-1522402221956
NAR1Annual Return (2024) (English)
2024-07-15·22402221956·14p·HK$ 28
14HK$ 28
42023-12-27SH000153381
BRN_REFReference Document for Business Registration Number as UBI
2023-12-27·SH000153381·1p·HK$ 20
1HK$ 20
52023-07-2622502321301
ND2ANotice of Change of Company Secretary and Director (English)
2023-07-26·22502321301·3p·HK$ 20
3HK$ 20
62023-07-1123102127394
NAR1Annual Return (2023) (English)
2023-07-11·23102127394·12p·HK$ 28
12HK$ 28
72023-03-0222101819425
SPECSpecial Resolution (English)
2023-03-02·22101819425·49p·HK$ 20
49HK$ 20
82023-03-0222101819424
A&AArticles of Association (A&A) (English)
2023-03-02·22101819424·49p·HK$ 33
49HK$ 33
92023-03-0222101819423
NAA1Statutory Filing (English)
2023-03-02·22101819423·1p·HK$ 33
1HK$ 33
102022-07-2022502209094
NAR1Annual Return (2022) (English)
2022-07-20·22502209094·12p·HK$ 28
12HK$ 28

III. Commercial Due Diligence & OFCA Licensed Telecom Operator Carrier & Services Licence Verification

Statutory Licences (32 Regulators) Licensed Entity
Office of the Communications Authority (OFCA)
Active (Licensed)
Licence No. RU00018374-RU
Court Litigation & Insolvency No Court Records
Screened against 1M+ corporate litigation records; no public court cases or winding-up petitions (HCCW) found.
Regulatory Disciplinary & Alert Lists Clean Record
Screen official gazettes, HKMA alert lists, TCSP disciplinary notices, SFC enforcement actions, and customs compliance lists. No negative enforcement records found.
Office & Address Verification Address Resolved
KAISER ESTATE, 41 MAN YUE STREET, HUNG HOM, HONG KONG
Statutory Office under Cap. 622 Need Registered Office & Secretary? →
Hong Kong Corporate Due Diligence & Risk Screening Service
💡 Corporate management: For statutory annual return filings, registered office, or SCR compliance, explore HC BUSINESS LIMITED (TCSP TC006431). Learn More →

IV. OFCA Licensed Telecom Operator Compliance & Statutory Licensing FAQ

Yes. Pursuant to the statutory registers of the Hong Kong Companies Registry, TELECOMMUNICATIONS & SECURITY SYSTEMS LIMITED was officially incorporated on 1978-07-11 as a Private company limited by shares (standing for 48 years). Official cross-departmental records confirm its current legal status is [Live / In Operation], maintaining valid operational standing under Hong Kong law (Verified: September 2026).

Under Hong Kong's Unique Business Identifier (UBI) regime, TELECOMMUNICATIONS & SECURITY SYSTEMS LIMITED is identified by two official registration numbers: its 8-digit Business Registration Number (BRN / UBI) [05670511] administered by the Inland Revenue Department, and its 7-digit Company Registration Number (CRN) [0061947] maintained by the Companies Registry for historical statutory filings.

Pursuant to Sections 627 and 643 of the Hong Kong Companies Ordinance (Cap. 622), the equity ownership and executive board of TELECOMMUNICATIONS & SECURITY SYSTEMS LIMITED are governed by its statutory Register of Members and Register of Directors. Any appointment or resignation of directors or the company secretary must be filed within 15 days via Form ND2A, while complete shareholder equity ratios are disclosed annually in Form NAR1. Furthermore, under Section 653H of Cap. 622, the company must maintain a Significant Controllers Register (SCR) for persons holding over 25% beneficial interest or voting rights.

Yes. According to the official statutory records of the Hong Kong Companies Registry, TELECOMMUNICATIONS & SECURITY SYSTEMS LIMITED has officially recorded 3 legal name change(s): [DATA 100 HONG KONG LIMITED (effective 1978-07-11)], [TELECOMMUNICATIONS & SECURITY SERVICES LIMITED (effective 1987-04-03)], [TELECOMMUNICATIONS & SECURITY SERVICES LIMITED (通訊和保密服務有限公司) (effective 1987-06-17)]. Pursuant to Sections 107 and 109 of the Companies Ordinance (Cap. 622), each name change was passed by special resolution (Form NNC2) and took statutory effect upon issuance of a Certificate of Change of Name by the Registrar of Companies; under Section 109(4), changing the company name does not affect any rights, obligations, or legal proceedings of the company.

Official records of the Hong Kong Companies Registry verify that TELECOMMUNICATIONS & SECURITY SYSTEMS LIMITED maintains a cumulative statutory archive of 10 filing record(s) on file (latest statutory filing indexed on 2026-07-14: Form NAR1 - Annual Return (2026) (English)). Under Section 662 of the Companies Ordinance (Cap. 622), the corporation's active governance and equity standing are documented through Annual Returns (Form NAR1), constitutional Articles of Association (A&A), and statutory officer or capital update filings (Form ND2A / Form NSC1), all accessible as official barcoded image dossiers.

According to multi-dimensional checks across Hong Kong statutory authorities: 1. Regulatory Licences: Officially licensed by Hong Kong statutory authorities, currently holding: Office of the Communications Authority (OFCA) (Licence No. RU00018374-RU); 2. Judicial Screening (Litigation & Winding-Up): no compulsory winding-up petitions (HCCW) or public High Court / District Court litigation writs were identified for TELECOMMUNICATIONS & SECURITY SYSTEMS LIMITED in current public judicial indexing. For major cross-border M&A or credit facilities, an up-to-the-minute court registry search is recommended.

Official filings of the Hong Kong Companies Registry record the statutory registered office of TELECOMMUNICATIONS & SECURITY SYSTEMS LIMITED at: [KAISER ESTATE, 41 MAN YUE STREET, HUNG HOM, HONG KONG]. Under Section 658 of the Companies Ordinance (Cap. 622), a document or court writ may be lawfully served on a company by leaving it at, or sending it by post to, this registered office. Where the address is domiciled at a licensed TCSP company secretary's premises, Cap. 622B Section 3 permits statutory name display via a compliant electronic signboard system.

Unlike jurisdictions with government ICP domain licensing, Hong Kong regulates corporate identity disclosure under Section 4 of the Companies (Disclosure of Company Name and Liability Status) Regulation (Cap. 622B): TELECOMMUNICATIONS & SECURITY SYSTEMS LIMITED must legibly display its exact registered name on all business letters, contracts, invoices, and any company website, and report its website (if any) in its Annual Return (Form NAR1) or Form NR2. To prevent cross-border impersonation, trade partners should authenticate the company's legal standing via its statutory identifiers (CRN: 0061947 / 8-digit BRN: 05670511) and barcoded Companies Registry dossiers rather than unverified external web pages.

V. Similar Trade Names & Industry Directory

INDUSTRY & NAMING SURVIVAL BENCHMARK Top 15% Legacy Tenure
48 Yrs Tenure
Inc. 1978-07-11

Incorporated for 48 years, significantly outperforming the Hong Kong corporate median survival cycle (~6.5 yrs).

CO-LOCATED BUILDING ENTITIES HUB Kowloon City District · High-Density Secretarial Hub
Kaiser Estate 6,360 Co-Located Entities

High concentration of co-located corporations; verify electronic/physical nameplates under Cap. 622 s.658 and TCSP secretarial ties.

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