CÔNG TY CỔ PHẦN NƯỚC VÀ HẠ TẦNG KỸ THUẬT HÀ NỘI
| Tax code | 0104800642 |
| Vietnamese name | CÔNG TY CỔ PHẦN NƯỚC VÀ HẠ TẦNG KỸ THUẬT HÀ NỘI |
| Abbreviated name | HAWIN .,JSC |
| English name | HA NOI WATER AND INFRASTRUCTURE JOINT STOCK COMPANY |
| Trading name | HAWIN .,JSC |
| Address | Số 51, ngõ 105, phố Bạch Mai, Phường Bạch Mai, TP Hà Nội, Việt Nam. |
| Legal representative | Trần Trung Tín |
| Business registration certificate issue date | 14/07/2010 |
| Operations start date | 08/07/2010 |
| Fiscal year end | 31/12 |
| Data updated | 10/06/2026 14:25 |
Business lines
| F4101 | Construction of residential buildings |
| C3290 | Other manufacturing n.e.c. |
| C3319 | Repair of other equipment |
| F4102 | Construction of non-residential buildings |
| F4211 | Construction of railways |
| F4212 | Construction of roads |
| F4221 | Construction of electricity projects |
| F4222 | Construction of water supply and sewerage projects |
| F4223 | Construction of telecommunications projects |
| F4229 | Construction of other utility projects |
| F4291 | Construction of water projects |
| F4292 | Construction of mining projects |
| F4293 | Construction of manufacturing and processing projects |
| F4299 | Construction of other civil engineering projects n.e.c. |
| F43110 | Demolition |
| F43120 | Site preparation |
| F4321 | Electrical Installation |
| F4322 | Plumbing, Heating and Air-Conditioning Installation |
| F4329 | Other Building Services Installation |
| F43900 | Other Specialized Construction Activities |
| G4659 | Wholesale of other machinery and equipment |
| G4719 | Other Retail Sale in Non-specialized Stores |
| G4759 | Retail Sale of Household Electrical Appliances, Beds, Cabinets, Tables, Chairs, Lamps and Other Household Goods Not Elsewhere Classified in Specialized Stores |
| G4773 | Retail sale of other new goods in specialized stores |
| M7110 | Architectural and engineering activities and related technical consultancy |
| N81210 | General cleaning of buildings |
| N82990 | Other business support service activities n.e.c. |
Frequently asked questions about CÔNG TY CỔ PHẦN NƯỚC VÀ HẠ TẦNG KỸ THUẬT HÀ NỘI
Where is the address of CÔNG TY CỔ PHẦN NƯỚC VÀ HẠ TẦNG KỸ THUẬT HÀ NỘI?
CÔNG TY CỔ PHẦN NƯỚC VÀ HẠ TẦNG KỸ THUẬT HÀ NỘI has its registered office at Số 51, ngõ 105, phố Bạch Mai, Phường Bạch Mai, TP Hà Nội, Việt Nam.. The entity is located in Phường Bạch Mai, Hà Nội.
Does CÔNG TY CỔ PHẦN NƯỚC VÀ HẠ TẦNG KỸ THUẬT HÀ NỘI have any other names?
Besides its full name, CÔNG TY CỔ PHẦN NƯỚC VÀ HẠ TẦNG KỸ THUẬT HÀ NỘI is also registered under the name HA NOI WATER AND INFRASTRUCTURE JOINT STOCK COMPANY. When searching, either this name or tax code 0104800642 will return the same result.
Is CÔNG TY CỔ PHẦN NƯỚC VÀ HẠ TẦNG KỸ THUẬT HÀ NỘI still operating?
The status of tax code 0104800642 of CÔNG TY CỔ PHẦN NƯỚC VÀ HẠ TẦNG KỸ THUẬT HÀ NỘI is NNT đã được cấp MST according to the latest synced data (as of 10/06/2026). The list of tax code statuses is set out in Appendix I of Circular 90/2026/TT-BTC.
What information is needed to issue an invoice to CÔNG TY CỔ PHẦN NƯỚC VÀ HẠ TẦNG KỸ THUẬT HÀ NỘI?
The three mandatory fields on an invoice are the entity name CÔNG TY CỔ PHẦN NƯỚC VÀ HẠ TẦNG KỸ THUẬT HÀ NỘI, tax code 0104800642 and address Số 51, ngõ 105, phố Bạch Mai, 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.
How is tax code 0104800642 structured?
Tax code 0104800642 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 0480064 fall within an ascending sequence from 0000001 to 9999999; the digit 2 is the check digit. A 10-digit code is issued to an organization that is an independent unit.
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 "Trần Trung Tín"
A total of 66 businesses share the same legal representative name