CÔNG TY CỔ PHẦN A4
| Tax code | 3100405414 |
| Vietnamese name | CÔNG TY CỔ PHẦN A4 |
| English name | A4 JOINT STOCK COMPANY |
| Trading name | A4 JOINT STOCK COMPANY |
| Address | 06 Bà Huyện Thanh Quan, Phường Đồng Hới, Quảng Trị, Việt Nam. |
| Legal representative | Bùi Ngọc Anh |
| Business registration certificate issue date | 26/01/2008 |
| Operations start date | 01/02/2008 |
| Fiscal year end | 31/12 |
| Data updated | 08/09/2026 21:42 |
Business lines
| M7110 | Architectural and engineering activities and related technical consultancy |
| F41000 | Construction of buildings |
| F42900 | Construction of other civil engineering projects |
| M71109 | Other related technical consultancy activities |
| M74100 | Specialized design activities |
Frequently asked questions about CÔNG TY CỔ PHẦN A4
Does CÔNG TY CỔ PHẦN A4 have any other names?
Besides its full name, CÔNG TY CỔ PHẦN A4 is also registered under the name A4 JOINT STOCK COMPANY. When searching, either this name or tax code 3100405414 will return the same result.
When was the information for tax code 3100405414 last updated?
The data for CÔNG TY CỔ PHẦN A4 was last synced at 21:42 on 08/09/2026. If the entity has just changed its tax registration information, click "Update now" in the information table above to have the system fetch the latest data.
What is the tax code of CÔNG TY CỔ PHẦN A4?
CÔNG TY CỔ PHẦN A4 has tax code 3100405414, issued on 01/02/2008. This number identifies the entity on invoices, vouchers and in all tax administrative procedures under Article 11 of the Law on Tax Administration 2025.
How is tax code 3100405414 structured?
Tax code 3100405414 consists of 10 digits. Under Article 5 of Circular 90/2026/TT-BTC, the first two digits 31 are the segment prefix; the seven digits 0040541 fall within an ascending sequence from 0000001 to 9999999; the digit 4 is the check digit. A 10-digit code is issued to an organization that is an independent unit.
Is CÔNG TY CỔ PHẦN A4 still operating?
The status of tax code 3100405414 of CÔNG TY CỔ PHẦN A4 is NNT đã được cấp MST according to the latest synced data (as of 08/09/2026). The list of tax code statuses is set out in Appendix I of Circular 90/2026/TT-BTC.
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 Đồng Hới
2,598
Total businesses
1,283
Operating
1,314
Ceased / suspended
0
New in last 90 days
Across Tỉnh Quảng Trị: 14,108 businesses, of which 6,983 are operating.
Common business lines
By legal form
Limited liability company
1,948
Joint stock company
305
Sole proprietorship
119
Other state agency
53
Single-member limited liability company
50
Unclassified
25
By status
Taxpayer issued tax code
1,282
Not operating at registered address
913
Ceased operations; tax code closure not yet completed
205
Temporarily suspended operations
127
Ceased operations; tax code closure completed
69
Operating (household or individual business without complete tax registration information)
1
Businesses with legal representative "Bùi Ngọc Anh"
A total of 70 businesses share the same legal representative name