CÔNG TY TNHH KIÊN KHOA
| Tax code | 4601588584 |
| Vietnamese name | CÔNG TY TNHH KIÊN KHOA |
| Abbreviated name | KIENKHOA CO.,LTD |
| Trading name | KIENKHOA CO.,LTD |
| Address | Số 216 tổ dân phố 5, Phường Bá Xuyên, Thái Nguyên, Việt Nam. |
| Legal representative | Ngô Duy Kiên |
| Business registration certificate issue date | 25/01/2022 |
| Operations start date | 25/01/2022 |
| Fiscal year end | 31/12 |
| Data updated | 25/09/2026 06:54 |
Part of the "Tax Code Cleanup" campaign
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CÔNG TY TNHH KIÊN KHOA is currently in status Not operating at registered address. Delayed handling may incur late payment interest and administrative penalties. Use our tool to estimate the penalty and get a route to resolve it.
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Business lines
| G4663 | Wholesale of construction materials, hardware, plumbing and heating equipment and supplies |
| F4101 | Construction of residential buildings |
| F4102 | Construction of non-residential buildings |
| F4221 | Construction of electricity projects |
| F4222 | Construction of water supply and sewerage projects |
| F4223 | Construction of telecommunications projects |
| F4299 | Construction of other civil engineering projects n.e.c. |
| F4311 | Demolition |
| F4312 | 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 |
| G4649 | Wholesale of Other Household Goods |
| G4659 | Wholesale of other machinery and equipment |
| G4759 | Retail Sale of Household Electrical Appliances, Beds, Cabinets, Tables, Chairs, Lamps and Other Household Goods Not Elsewhere Classified in Specialized Stores |
| H5210 | Warehousing and storage |
| M7410 | Specialized design activities |
Frequently asked questions about CÔNG TY TNHH KIÊN KHOA
What is the tax code of CÔNG TY TNHH KIÊN KHOA?
CÔNG TY TNHH KIÊN KHOA has tax code 4601588584, issued on 25/01/2022. 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 TNHH KIÊN KHOA operate in?
The main business line of CÔNG TY TNHH KIÊN KHOA is Bán buôn vật liệu, thiết bị lắp đặt khác trong xây dựng (business line code G4663). The entity is also registered for 18 additional business line(s), all listed under "Business lines" above.
How is tax code 4601588584 structured?
Tax code 4601588584 consists of 10 digits. Under Article 5 of Circular 90/2026/TT-BTC, the first two digits 46 are the segment prefix; the seven digits 0158858 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.
What information is needed to issue an invoice to CÔNG TY TNHH KIÊN KHOA?
The three mandatory fields on an invoice are the entity name CÔNG TY TNHH KIÊN KHOA, tax code 4601588584 and address Số 216 tổ dân phố 5, Phường Bá Xuyên, Thái Nguyên, 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 TNHH KIÊN KHOA still operating?
The status of tax code 4601588584 of CÔNG TY TNHH KIÊN KHOA is NNT không hoạt động tại địa chỉ đã đăng ký according to the latest synced data (as of 25/09/2026). 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 Bá Xuyên
165Total businesses
85Operating
80Ceased / suspended
0New in last 90 days
Across Tỉnh Thái Nguyên: 12,137 businesses, of which 5,404 are operating.
Common business lines
By legal form
Limited liability company118
Joint stock company28
School / educational institution5
People's Committee3
Single-member limited liability company3
Sole proprietorship3
By status
Taxpayer issued tax code84
Not operating at registered address45
Ceased operations; tax code closure not yet completed22
Temporarily suspended operations10
Ceased operations; tax code closure completed3
Operating (household or individual business without complete tax registration information)1
Businesses with legal representative "Ngô Duy Kiên"
A total of 2 businesses share the same legal representative name