CÔNG TY TNHH KEY SIGNAL
| Tax code | 0110175179 |
| Vietnamese name | CÔNG TY TNHH KEY SIGNAL |
| English name | KEY SIGNAL COMPANY LIMITED |
| Trading name | KEY SIGNAL COMPANY LIMITED |
| Address | Số 7, Ngách 9, Ngõ 46 Trần Quốc Hoàn, Phường Nghĩa Đô, TP Hà Nội, Việt Nam. |
| Legal representative | Nguyễn Đăng Minh |
| Business registration certificate issue date | 08/11/2022 |
| Operations start date | 08/11/2022 |
| Fiscal year end | 31/12 |
| Data updated | 16/09/2026 18:40 |
Business lines
| N8129 | Other building and industrial cleaning activities |
| C1104 | Manufacture of soft drinks; production of mineral waters and other bottled waters |
| C2023 | Manufacture of soap and detergents, cleaning and polishing preparations, perfumes and toilet preparations |
| C2620 | Manufacture of computers and peripheral equipment |
| C2630 | Manufacture of communication equipment |
| C2640 | Manufacture of consumer electronics |
| C2731 | Manufacture of fibre optic cables |
| C2732 | Manufacture of other electronic and electric wires and cables |
| C2733 | Manufacture of wiring devices |
| C3312 | Repair of machinery |
| C3319 | Repair of other equipment |
| E3600 | Water collection, treatment and supply |
| E3700 | Sewerage and wastewater treatment |
| 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 |
| F4229 | Construction of other utility projects |
| 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 |
| 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 |
| G4690 | Non-specialized Wholesale Trade |
| G4759 | Retail Sale of Household Electrical Appliances, Beds, Cabinets, Tables, Chairs, Lamps and Other Household Goods Not Elsewhere Classified in Specialized Stores |
| 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 |
| H5012 | Sea and coastal freight water transport |
| H5022 | Inland freight water transport |
| H5210 | Warehousing and storage |
| H5222 | Direct support services for water transport |
| H5224 | Cargo handling |
| H5225 | Support activities for road transport |
| H5229 | Other transport support activities |
| I5510 | Short-term accommodation activities |
| I5610 | Restaurants and mobile food service activities |
| I5621 | Event catering activities |
| I5629 | Other food service activities |
| I5630 | Beverage serving activities |
| J6190 | Other telecommunications activities |
| L6810 | Real estate activities with own or leased property |
| M7020 | Management consultancy activities |
| M7110 | Architectural and engineering activities and related technical consultancy |
| M7310 | Advertising |
| M7320 | Market research and public opinion polling |
| N7721 | Rental and leasing of sports and recreational equipment |
| N7730 | Renting of other machinery, equipment and tangible goods without operator |
| N7810 | Activities of employment placement agencies |
| N7911 | Travel agency activities |
| N7912 | Tour operator activities |
| N7990 | Other reservation service and related activities |
| N8110 | Combined facilities support activities |
| N8121 | General cleaning of buildings |
| N8130 | Landscape care and maintenance service activities |
| N8230 | Organization of conventions and trade shows |
| N8292 | Packaging activities |
| N8299 | Other business support service activities n.e.c. |
| P8551 | Sports and recreation education |
| P8552 | Cultural education |
| P8559 | Other education n.e.c. |
| R9311 | Operation of sports facilities |
Frequently asked questions about CÔNG TY TNHH KEY SIGNAL
Does CÔNG TY TNHH KEY SIGNAL have any other names?
Besides its full name, CÔNG TY TNHH KEY SIGNAL is also registered under the name KEY SIGNAL COMPANY LIMITED. When searching, either this name or tax code 0110175179 will return the same result.
What information is needed to issue an invoice to CÔNG TY TNHH KEY SIGNAL?
The three mandatory fields on an invoice are the entity name CÔNG TY TNHH KEY SIGNAL, tax code 0110175179 and address Số 7, Ngách 9, Ngõ 46 Trần Quốc Hoàn, Phường Nghĩa Đô, 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.
What business lines does CÔNG TY TNHH KEY SIGNAL operate in?
The main business line of CÔNG TY TNHH KEY SIGNAL is Vệ sinh công nghiệp và các công trình chuyên biệt (business line code N8129). The entity is also registered for 71 additional business line(s), all listed under "Business lines" above.
Who is the legal representative of CÔNG TY TNHH KEY SIGNAL?
The legal representative of CÔNG TY TNHH KEY SIGNAL is Nguyễn Đăng Minh according to the tax registration information linked to tax code 0110175179.
Where is the address of CÔNG TY TNHH KEY SIGNAL?
CÔNG TY TNHH KEY SIGNAL has its registered office at Số 7, Ngách 9, Ngõ 46 Trần Quốc Hoàn, Phường Nghĩa Đô, TP Hà Nội, Việt Nam.. The entity is located in Phường Nghĩa Đô, Hà Nội.
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 Nghĩa Đô
6,003
Total businesses
2,654
Operating
3,310
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
3,153
Joint stock company
2,523
Single-member limited liability company
103
Centre (public service / services)
55
Research institute
25
Unclassified
24
By status
Taxpayer issued tax code
2,649
Not operating at registered address
1,434
Ceased operations; tax code closure not yet completed
1,242
Temporarily suspended operations
368
Ceased operations; tax code closure completed
266
Pending verification of operating status at registered address
35
Businesses with legal representative "Nguyễn Đăng Minh"
A total of 58 businesses share the same legal representative name