BUSINESS REGISTRATION NUMBER
BRN 71731608

Derain Waterproofing & Renovation Limited

德霖防水工程有限公司

Registry Verified: 2026-11-06
Jurisdiction: Hong Kong, ChinaJurisdiction: Hong Kong

Derain Waterproofing & Renovation Limited (德霖防水工程有限公司) 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 2928786, and Business Registration Number (BRN) is 71731608. Incorporated on 2020-04-01, the entity has maintained continuous statutory operations for 6 years and 7 months, currently holding an active legal status of Live. In terms of statutory licensing, the corporation is officially authorized and regulated in Hong Kong, holding Statutory Authority (Bd Mwc) (Licence No. MWC 298/2020). The registered office is situated at ROOM B, 9/F, BILLION PLAZA II, 10 CHEUNG YUE STREET, CHEUNG SHA WAN, HONG KONG. Regarding statutory filings, pursuant to Section 662 of the Companies Ordinance (Cap. 622), its annual return filing window falls between Apr 01 – May 13 (within 42 days after its incorporation anniversary), with the latest Annual Return (Form NAR1) officially filed on 2026-06-11; a total of 14 statutory filings are indexed in the registry (with no Form NM1 specified charge or mortgage registrations recorded).

I. Statutory Registry Records & Hong Kong Virtual Office Background Verification

Official Chinese Name 德霖防水工程有限公司 Official English Name Derain Waterproofing & Renovation Limited
Name Evolution
(1 Former Name)
2020-04-01 Founding Incorp. Name
德霖科技工程有限公司Derain Technology & Engineering Company Limited
2026-05-20 Current Legal Name
德霖防水工程有限公司Derain Waterproofing & Renovation Limited
Company Reg No. (CRN) 2928786 Business Reg No. (BRN) 71731608
Incorporation Date
2020-04-01(6 yrs 7 mos)
Company Category Private company limited by shares
Current Legal Status Live Statutory Filing Cycle
2027-04-01(2026 Return Filed)
Registered Office Address
ROOM B, 9/F, BILLION PLAZA II, 10 CHEUNG YUE STREET, CHEUNG SHA WAN, HONG KONGBillion Plaza Ii · 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. Companies Registry Document Retrieval(Annual Return NAR1 & ND2A Filings)

#Filing DateDocument No.Document NamePagesTariffAction
12026-06-1122203027966
NAR1Annual Return (2026) (English)
2026-06-11·22203027966·9p·HK$ 28
9HK$ 28
22026-05-2070005767297
NNC2Notice of Change of Company Name pursuant to Direction (Chinese)
2026-05-20·70005767297·1p·HK$ 20
1HK$ 20
32026-05-2040026368615
DOCCertificate of Change of Name
2026-05-20·40026368615·1p·HK$ 20
1HK$ 20
42026-04-0823302530170
NR1Notice of Change of Address of Registered Office (English)
2026-04-08·23302530170·1p·HK$ 20
1HK$ 20
52026-04-0170005598487
ND4Notice of Resignation of Company Secretary and Director (English)
2026-04-01·70005598487·2p·HK$ 20
2HK$ 20
62025-04-3070004581872
NAR1Annual Return (2025) (English)
2025-04-30·70004581872·9p·HK$ 28
9HK$ 28
72024-04-2470003711666
NAR1Annual Return (2024) (English)
2024-04-24·70003711666·9p·HK$ 28
9HK$ 28
82023-12-27SH001463972
BRN_REFReference Document for Business Registration Number as UBI
2023-12-27·SH001463972·1p·HK$ 20
1HK$ 20
92023-04-2070003113237
NAR1Annual Return (2023) (English)
2023-04-20·70003113237·8p·HK$ 28
8HK$ 28
102022-04-0770002532292
NAR1Annual Return (2022) (English)
2022-04-07·70002532292·8p·HK$ 28
8HK$ 28

III. Commercial Due Diligence & Regulatory Risk Screening

Statutory Licences (32 Regulators) Licensed Entity
Statutory Authority (Bd Mwc)
Registered
Licence No. MWC 298/2020
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
ROOM B, 9/F, BILLION PLAZA II, 10 CHEUNG YUE STREET, CHEUNG SHA WAN, 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. Corporate Statutory Dossier & Legal Status FAQ

Yes. Derain Waterproofing & Renovation Limited is a legitimate Hong Kong corporation (Private company limited by shares) duly incorporated under the Companies Ordinance (Cap. 622) on 2020-04-01 (operating for 6 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: November 2026).

The statutory primary identifiers for Derain Waterproofing & Renovation Limited are: 1. Business Registration Number (BRN / Unique Business Identifier UBI): [71731608] (effective from 27 December 2023, this 8-digit number issued under Cap. 310 serves as the unified cross-departmental corporate identifier); 2. Company Registration Number (CRN): [2928786] (incorporation archive number issued under Cap. 622). Together, these dual keys uniquely lock the entity in international banking KYC and cross-border contracts.

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. Under the New Inspection Regime, public inspection displays directors' correspondence addresses and partially masked identification numbers. 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.

Yes. According to the official statutory records of the Hong Kong Companies Registry, Derain Waterproofing & Renovation Limited has officially recorded 1 legal name change(s): [Derain Technology & Engineering Company Limited (德霖科技工程有限公司) (effective 2020-04-01)]. 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.

Yes. Statutory indexing confirms that Derain Waterproofing & Renovation Limited has accumulated 14 official filing dossier(s) archived in the Hong Kong Companies Registry (latest statutory filing indexed on 2026-06-11: Form NAR1 - Annual Return (2026) (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.

According to multi-dimensional checks across Hong Kong statutory authorities: 1. Regulatory Licences: Officially licensed by Hong Kong statutory authorities, currently holding: Statutory Authority (Bd Mwc) (Licence No. MWC 298/2020); 2. Judicial Screening (Litigation & Winding-Up): cross-referenced with the Hong Kong Judiciary public writs database and Official Receiver's Office (ORO) registers; no public civil action writs (HCA/DCCJ) or compulsory winding-up petitions (HCCW under Cap. 32) were found on current index records.

The statutory registered office of Derain Waterproofing & Renovation Limited on official record is situated at: [ROOM B, 9/F, BILLION PLAZA II, 10 CHEUNG YUE STREET, CHEUNG SHA WAN, 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. Under Section 3 of the Companies (Disclosure of Company Name and Liability Status) Regulation (Cap. 622B), the company must continuously display its registered name in legible characters at its registered office.

Under Section 127 of the Companies Ordinance (Cap. 622), Hong Kong has abolished the mandatory use of a metallic common seal; Derain Waterproofing & Renovation Limited (CRN: 2928786 / 8-digit BRN: 71731608) may lawfully execute a commercial contract without a common seal by having the document signed on its behalf by its sole director (for a single-director company) or by two directors / one director and the company secretary, and under Cap. 622B Section 4 must state its registered legal name on all contracts, transaction instruments, and official websites. Because commercial rubber chops are not registered with the Hong Kong Government, counterparties must retrieve the latest Annual Return (Form NAR1), director change notices (Form ND2A), and Register of Charges filings (Form NM1 under Cap. 622 s.334) from the Companies Registry to verify authorized signatory directors and asset pledges.

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