CÔNG TY CỔ PHẦN TƯ VẤN THIẾT KẾ ĐẦU TƯ XÂY DỰNG A4L
| Tax code | 0104406565 |
| Vietnamese name | CÔNG TY CỔ PHẦN TƯ VẤN THIẾT KẾ ĐẦU TƯ XÂY DỰNG A4L |
| Abbreviated name | A4L,.JSC |
| English name | A4L DESIGN AND CONSTRUCTION INVESTMENT CONSULTANCY JOIN STOCK COMPANY |
| Trading name | A4L,.JSC |
| Address | Số 18, ngách 64/43, Nguyễn Lương Bằng, Phường Đống Đa, TP Hà Nội, Việt Nam. |
| Legal representative | Nguyễn Quang Hiệp |
| Business registration certificate issue date | 29/01/2010 |
| Operations start date | 01/02/2010 |
| Fiscal year end | 31/12 |
| Data updated | 15/06/2026 08:13 |
Business lines
| M7110 | Architectural and engineering activities and related technical consultancy |
| F4101 | Construction of residential buildings |
| 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 |
| F4330 | Building Completion and Finishing |
| F4390 | Other Specialized Construction Activities |
| G4610 | Commission Agents, Brokers and Auctions of Goods |
| G4649 | Wholesale of Other Household Goods |
| G4651 | Wholesale of computers, computer peripheral equipment and software |
| G4652 | Wholesale of electronic and telecommunications equipment and parts |
| G4653 | Wholesale of agricultural machinery, equipment and supplies |
| G4659 | Wholesale of other machinery and equipment |
| G4690 | Non-specialized Wholesale Trade |
| G4721 | Retail Sale of Cereals in Specialized Stores |
| G4753 | Retail Sale of Carpets, Mattresses, Blankets, Mosquito Nets, Curtains, Wall and Floor Coverings in Specialized Stores |
| 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 |
| J63120 | Web portals |
| M7120 | Technical testing and analysis |
| M7410 | Specialized design activities |
| N82300 | Organization of conventions and trade shows |
| N8299 | Other business support service activities n.e.c. |
Frequently asked questions about CÔNG TY CỔ PHẦN TƯ VẤN THIẾT KẾ ĐẦU TƯ XÂY DỰNG A4L
Who is the legal representative of CÔNG TY CỔ PHẦN TƯ VẤN THIẾT KẾ ĐẦU TƯ XÂY DỰNG A4L?
The legal representative of CÔNG TY CỔ PHẦN TƯ VẤN THIẾT KẾ ĐẦU TƯ XÂY DỰNG A4L is Nguyễn Quang Hiệp according to the tax registration information linked to tax code 0104406565.
What is the tax code of CÔNG TY CỔ PHẦN TƯ VẤN THIẾT KẾ ĐẦU TƯ XÂY DỰNG A4L?
CÔNG TY CỔ PHẦN TƯ VẤN THIẾT KẾ ĐẦU TƯ XÂY DỰNG A4L has tax code 0104406565, issued on 01/02/2010. This number identifies the entity on invoices, vouchers and in all tax administrative procedures under Article 11 of the Law on Tax Administration 2025.
What business lines does CÔNG TY CỔ PHẦN TƯ VẤN THIẾT KẾ ĐẦU TƯ XÂY DỰNG A4L operate in?
The main business line of CÔNG TY CỔ PHẦN TƯ VẤN THIẾT KẾ ĐẦU TƯ XÂY DỰNG A4L is Hoạt động kiến trúc và tư vấn kỹ thuật có liên quan (business line code M7110). The entity is also registered for 35 additional business line(s), all listed under "Business lines" above.
How is tax code 0104406565 structured?
Tax code 0104406565 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 0440656 fall within an ascending sequence from 0000001 to 9999999; the digit 5 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 TƯ VẤN THIẾT KẾ ĐẦU TƯ XÂY DỰNG A4L?
The three mandatory fields on an invoice are the entity name CÔNG TY CỔ PHẦN TƯ VẤN THIẾT KẾ ĐẦU TƯ XÂY DỰNG A4L, tax code 0104406565 and address Số 18, ngách 64/43, Nguyễn Lương Bằng, Phường Đống Đa, 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.
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 Đống Đa
5,962
Total businesses
2,466
Operating
3,481
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
3,351
Joint stock company
2,294
Single-member limited liability company
105
Sole proprietorship
54
Representative office
27
Centre (public service / services)
19
By status
Taxpayer issued tax code
2,460
Ceased operations; tax code closure not yet completed
1,720
Not operating at registered address
1,306
Temporarily suspended operations
328
Ceased operations; tax code closure completed
127
Pending verification of operating status at registered address
12
Businesses with legal representative "Nguyễn Quang Hiệp"
A total of 54 businesses share the same legal representative name