CÔNG TY CỔ PHẦN HỆ THỐNG ĐẠI DƯƠNG
| Tax code | 0106735734 |
| Vietnamese name | CÔNG TY CỔ PHẦN HỆ THỐNG ĐẠI DƯƠNG |
| Abbreviated name | CSO.,JSC |
| English name | OCEAN SYSTEM JOINT STOCK COMPANY |
| Trading name | CSO.,JSC |
| Address | Số 4, phố Viên, Phường Đông Ngạc, TP Hà Nội, Việt Nam. |
| Legal representative | Nguyễn Công Cường |
| Business registration certificate issue date | 06/01/2015 |
| Operations start date | 06/01/2015 |
| Fiscal year end | 31/12 |
| Data updated | 10/09/2026 09:10 |
Business lines
| F4101 | Construction of residential buildings |
| C16220 | Manufacture of builders' carpentry and joinery |
| C23910 | Manufacture of refractory products |
| C23920 | Manufacture of clay building materials |
| C23930 | Manufacture of other porcelain and ceramic products |
| C2394 | Manufacture of cement, lime and plaster |
| C2395 | Manufacture of articles of concrete, cement and plaster |
| C23960 | Cutting, shaping and finishing of stone |
| C25110 | Manufacture of structural metal products |
| C25120 | Manufacture of tanks, reservoirs and containers of metal |
| C26100 | Manufacture of electronic components and boards |
| C26300 | Manufacture of communication equipment |
| C2710 | Manufacture of electric motors, generators, transformers and electricity distribution and control apparatus |
| C27310 | Manufacture of fibre optic cables |
| C27320 | Manufacture of other electronic and electric wires and cables |
| C27330 | Manufacture of wiring devices |
| C33130 | Repair of electronic and optical equipment |
| C33140 | Repair of electrical equipment |
| C3315 | Repair and maintenance of transport equipment (except motor vehicles, motorcycles and other motor vehicles) |
| 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 |
| F43210 | Electrical Installation |
| F4322 | Plumbing, Heating and Air-Conditioning Installation |
| F43290 | Other Building Services Installation |
| F43300 | Building Completion and Finishing |
| F43900 | Other Specialized Construction Activities |
| G45200 | Maintenance and Repair of Motor Vehicles and Other Motor Vehicles |
| G45420 | Maintenance and Repair of Motorcycles |
| G4610 | Commission Agents, Brokers and Auctions of Goods |
| G4620 | Wholesale of Agricultural and Forestry Raw Materials (Except Wood, Bamboo, Rattan) and Live Animals |
| G4631 | Wholesale of Rice, Wheat, Other Cereal Grains and Flour |
| G4632 | Wholesale of Food |
| G4633 | Wholesale of Beverages |
| G46340 | Wholesale of Tobacco Products |
| G4641 | Wholesale of Textiles, Garments and Footwear |
| G4649 | Wholesale of Other Household Goods |
| G46510 | Wholesale of computers, computer peripheral equipment and software |
| G46520 | Wholesale of electronic and telecommunications equipment and parts |
| G4659 | Wholesale of other machinery and equipment |
| G4662 | Wholesale of metals and metal ores |
| G46900 | Non-specialized Wholesale Trade |
| G47110 | Retail Sale of Food, Beverages or Tobacco Predominating in Non-specialized Stores |
| G47210 | Retail Sale of Cereals in Specialized Stores |
| G47420 | Retail Sale of Audio-Visual Equipment 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 |
| G47610 | Retail sale of books, newspapers, magazines and stationery in specialized stores |
| G4773 | Retail sale of other new goods in specialized stores |
| H49110 | Passenger rail transport, interurban |
| H49120 | Freight rail transport |
| H4921 | Urban passenger transport by bus |
| H4922 | Interurban passenger transport by bus |
| H4929 | Other passenger transport by bus |
| H4931 | Urban and suburban passenger land transport (excluding bus) |
| H4932 | Other passenger land transport |
| H4933 | Freight transport by road |
| H5021 | Inland passenger water transport |
| H5210 | Warehousing and storage |
| H5221 | Direct support services for rail transport |
| H5222 | Direct support services for water transport |
| H5224 | Cargo handling |
| H5225 | Support activities for road transport |
| H5229 | Other transport support activities |
| J62020 | Computer consultancy and computer facilities management |
| J63110 | Data processing, hosting and related activities |
| N82300 | Organization of conventions and trade shows |
| N82920 | Packaging activities |
| N82990 | Other business support service activities n.e.c. |
Frequently asked questions about CÔNG TY CỔ PHẦN HỆ THỐNG ĐẠI DƯƠNG
Is CÔNG TY CỔ PHẦN HỆ THỐNG ĐẠI DƯƠNG still operating?
The status of tax code 0106735734 of CÔNG TY CỔ PHẦN HỆ THỐNG ĐẠI DƯƠNG is NNT đã được cấp MST according to the latest synced data (as of 10/09/2026). 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 HỆ THỐNG ĐẠI DƯƠNG?
The three mandatory fields on an invoice are the entity name CÔNG TY CỔ PHẦN HỆ THỐNG ĐẠI DƯƠNG, tax code 0106735734 and address Số 4, phố Viên, Phường Đông Ngạc, 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 0106735734 structured?
Tax code 0106735734 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 0673573 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 business lines does CÔNG TY CỔ PHẦN HỆ THỐNG ĐẠI DƯƠNG operate in?
The main business line of CÔNG TY CỔ PHẦN HỆ THỐNG ĐẠI DƯƠNG is Xây dựng nhà để ở (business line code F4101). The entity is also registered for 77 additional business line(s), all listed under "Business lines" above.
What is the tax code of CÔNG TY CỔ PHẦN HỆ THỐNG ĐẠI DƯƠNG?
CÔNG TY CỔ PHẦN HỆ THỐNG ĐẠI DƯƠNG has tax code 0106735734, issued on 06/01/2015. 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 Đông Ngạc
2,751Total businesses
1,315Operating
1,426Ceased / suspended
0New 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 company1,592
Joint stock company1,041
Single-member limited liability company47
Centre (public service / services)17
Unclassified11
Sole proprietorship9
By status
Taxpayer issued tax code1,315
Not operating at registered address689
Ceased operations; tax code closure not yet completed505
Temporarily suspended operations151
Ceased operations; tax code closure completed81
Pending verification of operating status at registered address9
Businesses with legal representative "Nguyễn Công Cường"
A total of 66 businesses share the same legal representative name