CÔNG TY CỔ PHẦN CÔNG NGHỆ TỐI ƯU HOÁ NĂNG LƯỢNG
| Tax code | 0110522802 |
| Vietnamese name | CÔNG TY CỔ PHẦN CÔNG NGHỆ TỐI ƯU HOÁ NĂNG LƯỢNG |
| English name | ENERGY OPTIMIZATION TECHNOLOGY JOINT STOCK COMPANY |
| Trading name | ENERGY OPTIMIZATION TECHNOLOGY JOINT STOCK COMPANY |
| Address | Số 35, phố Thanh Am, Phường Việt Hưng, TP Hà Nội, Việt Nam. |
| Legal representative | NGUYỄN ĐÌNH HẢI |
| Business registration certificate issue date | 27/10/2023 |
| Operations start date | 27/10/2023 |
| Fiscal year end | 31/12 |
| Data updated | 24/09/2026 15:11 |
Business lines
| F4221 | Construction of electricity projects |
| C2640 | Manufacture of consumer electronics |
| C2710 | Manufacture of electric motors, generators, transformers and electricity distribution and control apparatus |
| C2731 | Manufacture of fibre optic cables |
| C2732 | Manufacture of other electronic and electric wires and cables |
| C2733 | Manufacture of wiring devices |
| C2740 | Manufacture of electric lighting equipment |
| C2750 | Manufacture of domestic appliances |
| C3314 | Repair of electrical equipment |
| C3320 | Installation of industrial machinery and equipment |
| D3511 | Electric power generation |
| F4222 | Construction of water supply and sewerage projects |
| F4223 | Construction of telecommunications projects |
| F4229 | Construction of other utility projects |
| F4321 | Electrical Installation |
| 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 |
| G4659 | Wholesale of other machinery and equipment |
| H4933 | Freight transport by road |
| H5210 | Warehousing and storage |
| H5224 | Cargo handling |
| M7110 | Architectural and engineering activities and related technical consultancy |
| M7120 | Technical testing and analysis |
| N7730 | Renting of other machinery, equipment and tangible goods without operator |
| N8299 | Other business support service activities n.e.c. |
Frequently asked questions about CÔNG TY CỔ PHẦN CÔNG NGHỆ TỐI ƯU HOÁ NĂNG LƯỢNG
When was the information for tax code 0110522802 last updated?
The data for CÔNG TY CỔ PHẦN CÔNG NGHỆ TỐI ƯU HOÁ NĂNG LƯỢNG was last synced at 15:11 on 24/09/2026. 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 information is needed to issue an invoice to CÔNG TY CỔ PHẦN CÔNG NGHỆ TỐI ƯU HOÁ NĂNG LƯỢNG?
The three mandatory fields on an invoice are the entity name CÔNG TY CỔ PHẦN CÔNG NGHỆ TỐI ƯU HOÁ NĂNG LƯỢNG, tax code 0110522802 and address Số 35, phố Thanh Am, Phường Việt Hưng, 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.
Who is the legal representative of CÔNG TY CỔ PHẦN CÔNG NGHỆ TỐI ƯU HOÁ NĂNG LƯỢNG?
The legal representative of CÔNG TY CỔ PHẦN CÔNG NGHỆ TỐI ƯU HOÁ NĂNG LƯỢNG is NGUYỄN ĐÌNH HẢI according to the tax registration information linked to tax code 0110522802.
Is CÔNG TY CỔ PHẦN CÔNG NGHỆ TỐI ƯU HOÁ NĂNG LƯỢNG still operating?
The status of tax code 0110522802 of CÔNG TY CỔ PHẦN CÔNG NGHỆ TỐI ƯU HOÁ NĂNG LƯỢNG is NNT đã được cấp MST according to the latest synced data (as of 24/09/2026). The list of tax code statuses is set out in Appendix I of Circular 90/2026/TT-BTC.
What is the tax code of CÔNG TY CỔ PHẦN CÔNG NGHỆ TỐI ƯU HOÁ NĂNG LƯỢNG?
CÔNG TY CỔ PHẦN CÔNG NGHỆ TỐI ƯU HOÁ NĂNG LƯỢNG has tax code 0110522802, issued on 27/10/2023. This number identifies the entity on invoices, vouchers and in all tax administrative procedures under Article 11 of the Law on Tax Administration 2025.
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 Việt Hưng
3,320
Total businesses
1,785
Operating
1,527
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
2,075
Joint stock company
1,097
Single-member limited liability company
66
Sole proprietorship
31
School / educational institution
10
Centre (public service / services)
7
By status
Taxpayer issued tax code
1,783
Not operating at registered address
682
Ceased operations; tax code closure not yet completed
509
Temporarily suspended operations
198
Ceased operations; tax code closure completed
138
Pending verification of operating status at registered address
7
Businesses with legal representative "NGUYỄN ĐÌNH HẢI"
A total of 181 businesses share the same legal representative name