CÔNG TY TNHH A4I
| Tax code | 0108542551 |
| Vietnamese name | CÔNG TY TNHH A4I |
| Abbreviated name | A4I CO.,LTD |
| English name | A4I COMPANY LIMITED |
| Trading name | A4I CO.,LTD |
| Address | Số 166D, phố Đội Cấn, Phường Ngọc Hà, TP Hà Nội, Việt Nam. |
| Legal representative | Vũ Tuấn Cương |
| Business registration certificate issue date | 11/12/2018 |
| Operations start date | 11/12/2018 |
| Fiscal year end | 31/12 |
| Data updated | 27/09/2026 00:58 |
Business lines
| M7212 | Research and development in engineering and technology |
| A0111 | Growing of rice |
| A0112 | Growing of maize and other cereal grains |
| A0114 | Growing of sugar cane |
| A0115 | Growing of tobacco |
| A0118 | Growing of vegetables and flowers |
| A0119 | Growing of other non-perennial crops |
| A0121 | Growing of fruit |
| A0123 | Growing of cashew nuts |
| A0124 | Growing of pepper |
| A0128 | Growing of perennial spice, medicinal and aromatic crops |
| A0141 | Raising and breeding of cattle and buffaloes |
| A0144 | Raising and breeding of sheep, goats and deer |
| A0145 | Raising and breeding of swine |
| A0149 | Raising of other animals |
| A0150 | Mixed farming |
| A0161 | Support activities for crop production |
| A0162 | Support activities for animal production |
| A0163 | Post-harvest crop activities |
| A0311 | Marine fishing |
| A0312 | Freshwater fishing |
| A0321 | Marine aquaculture |
| A0322 | Freshwater aquaculture |
| C1030 | Processing and preserving of fruit and vegetables |
| C1073 | Manufacture of cocoa, chocolate and sugar confectionery |
| C1075 | Manufacture of prepared meals and dishes |
| C1076 | Manufacture of tea |
| C1077 | Manufacture of coffee |
| C1079 | Manufacture of other food products n.e.c. |
| C1080 | Manufacture of prepared animal feeds |
| D3511 | Electric power generation |
| E3600 | Water collection, treatment and supply |
| E3700 | Sewerage and wastewater treatment |
| E3811 | Collection of non-hazardous waste |
| E3812 | Collection of hazardous waste |
| E3821 | Treatment and disposal of non-hazardous waste |
| E3822 | Treatment and disposal of hazardous waste |
| E3830 | Materials recovery |
| E3900 | Remediation activities and other waste management services |
| 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 |
| G4653 | Wholesale of agricultural machinery, equipment and supplies |
| G4659 | Wholesale of other machinery and equipment |
| G4662 | Wholesale of metals and metal ores |
| H5210 | Warehousing and storage |
| H5224 | Cargo handling |
| K6619 | Other activities auxiliary to financial services n.e.c. |
| M7020 | Management consultancy activities |
| M7110 | Architectural and engineering activities and related technical consultancy |
| M7211 | Research and development in natural sciences |
| M7214 | Research and development in agricultural sciences |
| M7221 | Research and development in social sciences |
| M7310 | Advertising |
| M7320 | Market research and public opinion polling |
| N8130 | Landscape care and maintenance service activities |
| N8230 | Organization of conventions and trade shows |
| N8299 | Other business support service activities n.e.c. |
| P8559 | Other education n.e.c. |
Frequently asked questions about CÔNG TY TNHH A4I
What information is needed to issue an invoice to CÔNG TY TNHH A4I?
The three mandatory fields on an invoice are the entity name CÔNG TY TNHH A4I, tax code 0108542551 and address Số 166D, phố Đội Cấn, Phường Ngọc Hà, 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 0108542551 structured?
Tax code 0108542551 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 0854255 fall within an ascending sequence from 0000001 to 9999999; the digit 1 is the check digit. A 10-digit code is issued to an organization that is an independent unit.
What business lines does CÔNG TY TNHH A4I operate in?
The main business line of CÔNG TY TNHH A4I is Nghiên cứu khoa học và phát triển công nghệ trong lĩnh vực khoa học kỹ thuật và công nghệ (business line code M7212). The entity is also registered for 59 additional business line(s), all listed under "Business lines" above.
What is the tax code of CÔNG TY TNHH A4I?
CÔNG TY TNHH A4I has tax code 0108542551, issued on 11/12/2018. This number identifies the entity on invoices, vouchers and in all tax administrative procedures under Article 11 of the Law on Tax Administration 2025.
Who is the legal representative of CÔNG TY TNHH A4I?
The legal representative of CÔNG TY TNHH A4I is Vũ Tuấn Cương according to the tax registration information linked to tax code 0108542551.
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 Ngọc Hà
5,527Total businesses
2,479Operating
3,009Ceased / 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 company3,086
Joint stock company2,073
Single-member limited liability company96
Representative office58
Unclassified43
Centre (public service / services)30
By status
Taxpayer issued tax code2,464
Ceased operations; tax code closure not yet completed1,284
Not operating at registered address1,176
Temporarily suspended operations393
Ceased operations; tax code closure completed156
Pending verification of operating status at registered address33
Businesses with legal representative "Vũ Tuấn Cương"
A total of 14 businesses share the same legal representative name