CÔNG TY CỔ PHẦN CƠ KHÍ XÂY DỰNG 121 - CIENCO1
| Tax code | 0100104820 |
| Vietnamese name | CÔNG TY CỔ PHẦN CƠ KHÍ XÂY DỰNG 121 - CIENCO1 |
| Abbreviated name | MECO 121 - CIENCO 1 |
| English name | MECHANICAL CONSTRUCTION JOINT STOCK COMPANY 121 - CIENCO 1 |
| Trading name | MECO 121 - CIENCO 1 |
| Address | Số 2, đường Ngọc Lâm, Phường Bồ Đề, TP Hà Nội, Việt Nam. |
| Legal representative | Đặng Trần Dũng |
| Business registration certificate issue date | 18/12/2008 |
| Operations start date | 19/05/1998 |
| Fiscal year end | 31/12 |
| Data updated | 19/09/2026 02:17 |
Business lines
| F4299 | Construction of other civil engineering projects n.e.c. |
| C33120 | Repair of machinery |
| G4659 | Wholesale of other machinery and equipment |
| G4662 | Wholesale of metals and metal ores |
| N82990 | Other business support service activities n.e.c. |
| P8532 | Intermediate vocational training |
Frequently asked questions about CÔNG TY CỔ PHẦN CƠ KHÍ XÂY DỰNG 121 - CIENCO1
Does CÔNG TY CỔ PHẦN CƠ KHÍ XÂY DỰNG 121 - CIENCO1 have any other names?
Besides its full name, CÔNG TY CỔ PHẦN CƠ KHÍ XÂY DỰNG 121 - CIENCO1 is also registered under the name MECHANICAL CONSTRUCTION JOINT STOCK COMPANY 121 - CIENCO 1. When searching, either this name or tax code 0100104820 will return the same result.
Is CÔNG TY CỔ PHẦN CƠ KHÍ XÂY DỰNG 121 - CIENCO1 still operating?
The status of tax code 0100104820 of CÔNG TY CỔ PHẦN CƠ KHÍ XÂY DỰNG 121 - CIENCO1 is NNT đã được cấp MST according to the latest synced data (as of 19/09/2026). 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 CƠ KHÍ XÂY DỰNG 121 - CIENCO1?
The three mandatory fields on an invoice are the entity name CÔNG TY CỔ PHẦN CƠ KHÍ XÂY DỰNG 121 - CIENCO1, tax code 0100104820 and address Số 2, đường Ngọc Lâm, Phường Bồ Đề, 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 0100104820 structured?
Tax code 0100104820 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 0010482 fall within an ascending sequence from 0000001 to 9999999; the digit 0 is the check digit. A 10-digit code is issued to an organization that is an independent unit.
What business lines does CÔNG TY CỔ PHẦN CƠ KHÍ XÂY DỰNG 121 - CIENCO1 operate in?
The main business line of CÔNG TY CỔ PHẦN CƠ KHÍ XÂY DỰNG 121 - CIENCO1 is Xây dựng công trình kỹ thuật dân dụng khác (business line code F4299). The entity is also registered for 5 additional business line(s), all listed under "Business lines" above.
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 Bồ Đề
4,606
Total businesses
2,089
Operating
2,502
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
2,775
Joint stock company
1,613
Single-member limited liability company
106
Sole proprietorship
51
Cooperative
15
School / educational institution
8
By status
Taxpayer issued tax code
2,086
Not operating at registered address
1,026
Ceased operations; tax code closure not yet completed
1,004
Temporarily suspended operations
280
Ceased operations; tax code closure completed
192
Pending verification of operating status at registered address
8
Businesses with legal representative "Đặng Trần Dũng"
A total of 9 businesses share the same legal representative name