CÔNG TY TNHH THIẾT KẾ VÀ XÂY DỰNG O.HELIX
| Tax code | 0401961931 |
| Vietnamese name | CÔNG TY TNHH THIẾT KẾ VÀ XÂY DỰNG O.HELIX |
| Abbreviated name | OH CO.,LTD |
| Trading name | OH CO.,LTD |
| Address | 230 Điện Biên Phủ, Phường Thanh Khê, TP Đà Nẵng, Việt Nam. |
| Legal representative | Đàm Thị Hiền |
| Business registration certificate issue date | 18/03/2019 |
| Operations start date | 18/03/2019 |
| Fiscal year end | 31/12 |
| Data updated | 26/09/2026 00:32 |
Business lines
| M7110 | Architectural and engineering activities and related technical consultancy |
| F4101 | Construction of residential buildings |
| F4102 | Construction of non-residential buildings |
| F4311 | Demolition |
| F4312 | Site preparation |
| F4321 | Electrical Installation |
| F4322 | Plumbing, Heating and Air-Conditioning Installation |
| F4330 | Building Completion and Finishing |
| G4649 | Wholesale of Other Household Goods |
| G4759 | Retail Sale of Household Electrical Appliances, Beds, Cabinets, Tables, Chairs, Lamps and Other Household Goods Not Elsewhere Classified in Specialized Stores |
| L6810 | Real estate activities with own or leased property |
| M7020 | Management consultancy activities |
| M7410 | Specialized design activities |
| N7730 | Renting of other machinery, equipment and tangible goods without operator |
Frequently asked questions about CÔNG TY TNHH THIẾT KẾ VÀ XÂY DỰNG O.HELIX
How is tax code 0401961931 structured?
Tax code 0401961931 consists of 10 digits. Under Article 5 of Circular 90/2026/TT-BTC, the first two digits 04 are the segment prefix; the seven digits 0196193 fall within an ascending sequence from 0000001 to 9999999; the digit 1 is the check digit. A 10-digit code is issued to an organization that is an independent unit.
Where is the address of CÔNG TY TNHH THIẾT KẾ VÀ XÂY DỰNG O.HELIX?
CÔNG TY TNHH THIẾT KẾ VÀ XÂY DỰNG O.HELIX has its registered office at 230 Điện Biên Phủ, Phường Thanh Khê, TP Đà Nẵng, Việt Nam.. The entity is located in Phường Thanh Khê, Đà Nẵng.
What business lines does CÔNG TY TNHH THIẾT KẾ VÀ XÂY DỰNG O.HELIX operate in?
The main business line of CÔNG TY TNHH THIẾT KẾ VÀ XÂY DỰNG O.HELIX is Hoạt động kiến trúc và tư vấn kỹ thuật có liên quan (business line code M7110). The entity is also registered for 13 additional business line(s), all listed under "Business lines" above.
Does CÔNG TY TNHH THIẾT KẾ VÀ XÂY DỰNG O.HELIX have any other names?
Besides its full name, CÔNG TY TNHH THIẾT KẾ VÀ XÂY DỰNG O.HELIX is also registered under the name OH CO.,LTD. When searching, either this name or tax code 0401961931 will return the same result.
What is the tax code of CÔNG TY TNHH THIẾT KẾ VÀ XÂY DỰNG O.HELIX?
CÔNG TY TNHH THIẾT KẾ VÀ XÂY DỰNG O.HELIX has tax code 0401961931, issued on 18/03/2019. This number identifies the entity on invoices, vouchers and in all tax administrative procedures under Article 11 of the Law on Tax Administration 2025.
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 Thanh Khê
5,122Total businesses
2,051Operating
3,067Ceased / suspended
0New in last 90 days
Across Thành phố Đà Nẵng: 55,014 businesses, of which 23,082 are operating.
Common business lines
By legal form
Limited liability company2,844
Single-member limited liability company1,319
Joint stock company615
Sole proprietorship238
Centre (public service / services)19
School / educational institution13
By status
Taxpayer issued tax code2,051
Not operating at registered address2,004
Ceased operations; tax code closure not yet completed648
Temporarily suspended operations346
Ceased operations; tax code closure completed69
—3
Businesses with legal representative "Đàm Thị Hiền"
A total of 6 businesses share the same legal representative name