CÔNG TY TNHH KOI SOLUTION
| Tax code | 0109523110 |
| Vietnamese name | CÔNG TY TNHH KOI SOLUTION |
| English name | KOI SOLUTION COMPANY LIMITED |
| Trading name | KOI SOLUTION COMPANY LIMITED |
| Address | Số 22, ngõ 20 Hồ Tùng Mậu, Phường Phú Diễn, TP Hà Nội, Việt Nam. |
| Legal representative | Đào Thanh Mai |
| Business registration certificate issue date | 05/02/2021 |
| Operations start date | 05/02/2021 |
| Fiscal year end | 31/12 |
| Data updated | 11/10/2026 05:03 |
Business lines
| J5820 | Software publishing |
| J5911 | Motion picture, video and television programme production |
| M7310 | Advertising |
| M7320 | Market research and public opinion polling |
| M7410 | Specialized design activities |
| M7420 | Photographic activities |
| N7810 | Activities of employment placement agencies |
Frequently asked questions about CÔNG TY TNHH KOI SOLUTION
What is the tax code of CÔNG TY TNHH KOI SOLUTION?
CÔNG TY TNHH KOI SOLUTION has tax code 0109523110, issued on 05/02/2021. This number identifies the entity on invoices, vouchers and in all tax administrative procedures under Article 11 of the Law on Tax Administration 2025.
When was the information for tax code 0109523110 last updated?
The data for CÔNG TY TNHH KOI SOLUTION was last synced at 05:03 on 11/10/2026. 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.
Does CÔNG TY TNHH KOI SOLUTION have any other names?
Besides its full name, CÔNG TY TNHH KOI SOLUTION is also registered under the name KOI SOLUTION COMPANY LIMITED. When searching, either this name or tax code 0109523110 will return the same result.
What information is needed to issue an invoice to CÔNG TY TNHH KOI SOLUTION?
The three mandatory fields on an invoice are the entity name CÔNG TY TNHH KOI SOLUTION, tax code 0109523110 and address Số 22, ngõ 20 Hồ Tùng Mậu, Phường Phú Diễn, 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 KOI SOLUTION operate in?
The main business line of CÔNG TY TNHH KOI SOLUTION is Xuất bản phần mềm (business line code J5820). The entity is also registered for 6 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 Phú Diễn
3,799
Total businesses
1,713
Operating
2,074
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
2,221
Joint stock company
1,436
Single-member limited liability company
60
Sole proprietorship
14
School / educational institution
9
Research institute
9
By status
Taxpayer issued tax code
1,710
Not operating at registered address
936
Ceased operations; tax code closure not yet completed
685
Temporarily suspended operations
251
Ceased operations; tax code closure completed
202
Pending verification of operating status at registered address
9
Businesses with legal representative "Đào Thanh Mai"
A total of 4 businesses share the same legal representative name