Công Ty Cổ Phần Công Nghệ Bảo Vệ Số 1
| Tax code | 0106392621 |
| Vietnamese name | Công Ty Cổ Phần Công Nghệ Bảo Vệ Số 1 |
| Abbreviated name | NST., CORP |
| English name | NUMBER ONE SECURITY TECHNOLOGY CORPORATION |
| Trading name | NST., CORP |
| Address | Tầng 5, tòa nhà HH3, đường Mễ Trì, Phường Từ Liêm, TP Hà Nội, Việt Nam. |
| Legal representative | Nguyễn Trung Tấn |
| Business registration certificate issue date | 16/12/2013 |
| Operations start date | 16/12/2013 |
| Fiscal year end | 31/12 |
| Data updated | 07/09/2026 19:01 |
Business lines
| G46510 | Wholesale of computers, computer peripheral equipment and software |
| A01410 | Raising and breeding of cattle and buffaloes |
| C26100 | Manufacture of electronic components and boards |
| C26200 | Manufacture of computers and peripheral equipment |
| C26300 | Manufacture of communication equipment |
| C26510 | Manufacture of measuring, testing, navigating and control equipment |
| C26700 | Manufacture of optical instruments and equipment |
| C27500 | Manufacture of domestic appliances |
| C27900 | Manufacture of other electrical equipment |
| C33130 | Repair of electronic and optical equipment |
| C33140 | Repair of electrical equipment |
| C33190 | Repair of other equipment |
| C33200 | Installation of industrial machinery and equipment |
| F43210 | Electrical Installation |
| F4322 | Plumbing, Heating and Air-Conditioning Installation |
| F43290 | Other Building Services Installation |
| G45120 | Retail Sale of Passenger Cars (Up to 9 Seats) |
| G4610 | Commission Agents, Brokers and Auctions of Goods |
| G4649 | Wholesale of Other Household Goods |
| G46520 | Wholesale of electronic and telecommunications equipment and parts |
| G4659 | Wholesale of other machinery and equipment |
| G4759 | Retail Sale of Household Electrical Appliances, Beds, Cabinets, Tables, Chairs, Lamps and Other Household Goods Not Elsewhere Classified in Specialized Stores |
| H4933 | Freight transport by road |
| J58200 | Software publishing |
| J62010 | Computer programming activities |
| J62020 | Computer consultancy and computer facilities management |
| J62090 | Other information technology and computer service activities |
| M72100 | Research and experimental development on natural sciences and engineering |
| M73100 | Advertising |
| N7710 | Rental and leasing of motor vehicles |
| N7730 | Renting of other machinery, equipment and tangible goods without operator |
| N80200 | Security systems service activities |
| N82200 | Call centre activities |
| N82300 | Organization of conventions and trade shows |
| N82990 | Other business support service activities n.e.c. |
| S95110 | Repair of computers and peripheral equipment |
| S95120 | Repair of communication equipment |
| S95210 | Repair of consumer electronics |
Frequently asked questions about Công Ty Cổ Phần Công Nghệ Bảo Vệ Số 1
Does Công Ty Cổ Phần Công Nghệ Bảo Vệ Số 1 have any other names?
Besides its full name, Công Ty Cổ Phần Công Nghệ Bảo Vệ Số 1 is also registered under the name NUMBER ONE SECURITY TECHNOLOGY CORPORATION. When searching, either this name or tax code 0106392621 will return the same result.
What information is needed to issue an invoice to Công Ty Cổ Phần Công Nghệ Bảo Vệ Số 1?
The three mandatory fields on an invoice are the entity name Công Ty Cổ Phần Công Nghệ Bảo Vệ Số 1, tax code 0106392621 and address Tầng 5, tòa nhà HH3, đường Mễ Trì, Phường Từ Liêm, TP Hà Nội, Việt Nam.. Check the tax code status again right before issuing an invoice, because an invoice issued to an entity that is not operating at its registered address risks being rejected at tax finalization.
What business lines does Công Ty Cổ Phần Công Nghệ Bảo Vệ Số 1 operate in?
The main business line of Công Ty Cổ Phần Công Nghệ Bảo Vệ Số 1 is Bán buôn máy vi tính, thiết bị ngoại vi và phần mềm (business line code G46510). The entity is also registered for 37 additional business line(s), all listed under "Business lines" above.
Who is the legal representative of Công Ty Cổ Phần Công Nghệ Bảo Vệ Số 1?
The legal representative of Công Ty Cổ Phần Công Nghệ Bảo Vệ Số 1 is Nguyễn Trung Tấn according to the tax registration information linked to tax code 0106392621.
Where is the address of Công Ty Cổ Phần Công Nghệ Bảo Vệ Số 1?
Công Ty Cổ Phần Công Nghệ Bảo Vệ Số 1 has its registered office at Tầng 5, tòa nhà HH3, đường Mễ Trì, Phường Từ Liêm, TP Hà Nội, Việt Nam.. The entity is located in Phường Từ Liêm, Hà Nội.
Legal basis: Article 11 of the 2025 Law on Tax Administration and Circular 90/2026/TT-BTC on tax registration (effective 01/7/2026). See also tax code structure and the list of 10 tax code statuses.
Business statistics in Phường Từ Liêm
9,450
Total businesses
4,919
Operating
4,489
Ceased / suspended
0
New in last 90 days
Across Thành phố Hà Nội: 262,559 businesses, of which 118,360 are operating.
Common business lines
By legal form
Limited liability company
5,503
Joint stock company
3,611
Single-member limited liability company
155
Representative office
37
School / educational institution
21
Centre (public service / services)
19
By status
Taxpayer issued tax code
4,907
Not operating at registered address
2,437
Ceased operations; tax code closure not yet completed
1,175
Temporarily suspended operations
585
Ceased operations; tax code closure completed
292
Pending verification of operating status at registered address
24
Businesses with legal representative "Nguyễn Trung Tấn"
A total of 26 businesses share the same legal representative name