CÔNG TY CỔ PHẦN ĐẦU TƯ PHÁT TRIỂN HỆ THỐNG VIỄN THÔNG
| Tax code | 0102804578 |
| Vietnamese name | CÔNG TY CỔ PHẦN ĐẦU TƯ PHÁT TRIỂN HỆ THỐNG VIỄN THÔNG |
| Abbreviated name | TELSY .,JSC |
| English name | TELECOMMUNICATIONS SYSTEM INVESTMENT DEVELOPMENT JOINT STOCK COMPANY |
| Trading name | TELSY .,JSC |
| Address | Số 2, ngách 30/16 Tạ Quang Bửu, Phường Bạch Mai, TP Hà Nội, Việt Nam. |
| Legal representative | Nguyễn Hoàng Anh |
| Business registration certificate issue date | 04/07/2008 |
| Operations start date | 08/07/2008 |
| Fiscal year end | 31/12 |
| Data updated | 16/06/2026 14:39 |
Business lines
| G46520 | Wholesale of electronic and telecommunications equipment and parts |
| C25110 | Manufacture of structural metal products |
| C25920 | Treatment and coating of metals; machining |
| C33120 | Repair of machinery |
| C33130 | Repair of electronic and optical equipment |
| C33200 | Installation of industrial machinery and equipment |
| F4229 | Construction of other utility projects |
| F4299 | Construction of other civil engineering projects n.e.c. |
| F43210 | Electrical Installation |
| F43290 | Other Building Services Installation |
| G4610 | Commission Agents, Brokers and Auctions of Goods |
| G4641 | Wholesale of Textiles, Garments and Footwear |
| G4649 | Wholesale of Other Household Goods |
| G4659 | Wholesale of other machinery and equipment |
| G47630 | Retail sale of sports equipment and gear in specialized stores |
| H4931 | Urban and suburban passenger land transport (excluding bus) |
| H4932 | Other passenger land transport |
| H4933 | Freight transport by road |
| J6190 | Other telecommunications activities |
| N77210 | Rental and leasing of sports and recreational equipment |
| N7730 | Renting of other machinery, equipment and tangible goods without operator |
| N82300 | Organization of conventions and trade shows |
| N82990 | Other business support service activities n.e.c. |
| R93190 | Other sports activities |
| S95110 | Repair of computers and peripheral equipment |
| S95120 | Repair of communication equipment |
| M74100 | Specialized design activities |
| G47910 | Retail sale via mail order houses or via Internet |
| M73100 | Advertising |
Frequently asked questions about CÔNG TY CỔ PHẦN ĐẦU TƯ PHÁT TRIỂN HỆ THỐNG VIỄN THÔNG
What business lines does CÔNG TY CỔ PHẦN ĐẦU TƯ PHÁT TRIỂN HỆ THỐNG VIỄN THÔNG operate in?
The main business line of CÔNG TY CỔ PHẦN ĐẦU TƯ PHÁT TRIỂN HỆ THỐNG VIỄN THÔNG is Bán buôn thiết bị và linh kiện điện tử, viễn thông (business line code G46520). The entity is also registered for 28 additional business line(s), all listed under "Business lines" above.
How is tax code 0102804578 structured?
Tax code 0102804578 consists of 10 digits. Under Article 5 of Circular 90/2026/TT-BTC, the first two digits 01 are the segment prefix; the seven digits 0280457 fall within an ascending sequence from 0000001 to 9999999; the digit 8 is the check digit. A 10-digit code is issued to an organization that is an independent unit.
What information is needed to issue an invoice to CÔNG TY CỔ PHẦN ĐẦU TƯ PHÁT TRIỂN HỆ THỐNG VIỄN THÔNG?
The three mandatory fields on an invoice are the entity name CÔNG TY CỔ PHẦN ĐẦU TƯ PHÁT TRIỂN HỆ THỐNG VIỄN THÔNG, tax code 0102804578 and address Số 2, ngách 30/16 Tạ Quang Bửu, Phường Bạch Mai, 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.
Is CÔNG TY CỔ PHẦN ĐẦU TƯ PHÁT TRIỂN HỆ THỐNG VIỄN THÔNG still operating?
The status of tax code 0102804578 of CÔNG TY CỔ PHẦN ĐẦU TƯ PHÁT TRIỂN HỆ THỐNG VIỄN THÔNG is NNT đã được cấp MST according to the latest synced data (as of 16/06/2026). The list of tax code statuses is set out in Appendix I of Circular 90/2026/TT-BTC.
Does CÔNG TY CỔ PHẦN ĐẦU TƯ PHÁT TRIỂN HỆ THỐNG VIỄN THÔNG have any other names?
Besides its full name, CÔNG TY CỔ PHẦN ĐẦU TƯ PHÁT TRIỂN HỆ THỐNG VIỄN THÔNG is also registered under the name TELECOMMUNICATIONS SYSTEM INVESTMENT DEVELOPMENT JOINT STOCK COMPANY. When searching, either this name or tax code 0102804578 will return the same result.
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 Bạch Mai
4,431
Total businesses
1,639
Operating
2,782
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
2,614
Joint stock company
1,521
Single-member limited liability company
101
Sole proprietorship
32
Centre (public service / services)
25
Unclassified
24
By status
Taxpayer issued tax code
1,637
Ceased operations; tax code closure not yet completed
1,481
Not operating at registered address
917
Temporarily suspended operations
263
Ceased operations; tax code closure completed
121
Pending verification of operating status at registered address
5
Businesses with legal representative "Nguyễn Hoàng Anh"
A total of 616 businesses share the same legal representative name