On the Record · Chunghwa Telecom
Chunghwa Telecom subsidiaries, as it lists them
The subsidiaries Chunghwa Telecom lists in its latest annual report, with the jurisdiction of each, linked to the filing.
Subsidiaries it lists
| Subsidiary | Jurisdiction |
|---|---|
| CHIEF Telecom Inc. | Taiwan, R.O.C. |
| Unigate Telecom Inc. | Taiwan, R.O.C. |
| CHYP Multimedia Marketing & Communications Co., Ltd. | Taiwan, R.O.C. |
| Chunghwa Investment Co., Ltd. | Taiwan, R.O.C. |
| Chunghwa Precision Test Tech. Co., Ltd. | Taiwan, R.O.C. |
| Chunghwa System Integration Co., Ltd. | Taiwan, R.O.C. |
| Light Era Development Co., Ltd. | Taiwan, R.O.C. |
| Senao International Co., Ltd. | Taiwan, R.O.C. |
| Youth Co., Ltd. | Taiwan, R.O.C. |
| ISPOT Co., Ltd. | Taiwan, R.O.C. |
| Aval Technologies Co., Ltd. | Taiwan, R.O.C. |
| Wiin Technology Co., Ltd. | Taiwan, R.O.C. |
| Senyoung Insurance Agent Co., Ltd. | Taiwan, R.O.C. |
| Spring House Entertainment Tech. Inc. | Taiwan, R.O.C. |
| Honghwa International Co., Ltd. | Taiwan, R.O.C. |
| Smartfun Digital Co., Ltd. | Taiwan, R.O.C. |
| Chunghwa Leading Photonics Tech Co., Ltd. | Taiwan, R.O.C. |
| CHT Security Co., Ltd. | Taiwan, R.O.C. |
| International Integrated Systems, Inc. | Taiwan, R.O.C. |
| Unitronics Technology Corp. | Taiwan, R.O.C. |
| TestPro Investment Co., Ltd. | Taiwan, R.O.C. |
| NavCore Tech. Co., Ltd. | Taiwan, R.O.C. |
| Chunghwa Digital Cultural and Creative Capital Co., Ltd. | Taiwan, R.O.C. |
| CHT InventAI Co., Ltd. | Taiwan, R.O.C. |
| Chunghwa Digital Cultural and Creative Fund | Taiwan, R.O.C. |
| Prime Asia Investments Group Ltd. | British Virgin Islands |
| Donghwa Telecom Co., Ltd. | Hong Kong |
| Chunghwa Hsingta Co., Ltd. | Hong Kong |
| Chunghwa Telecom Japan Co., Ltd. | Japan |
| CHPT Japan Co., Ltd. | Japan |
| Sakuyo Health Science Co., Ltd. | Japan |
| Chief International Corp. | Samoa Islands |
| Chunghwa Precision Test Tech. International, Ltd. | Samoa Islands |
| Shanghai Taihua Electronic Technology Limited | People's Republic of China |
| Su Zhou Precision Test Tech. Ltd. | People's Republic of China |
| Shanghai Chief Telecom Co., Ltd. | People's Republic of China |
| Chunghwa Telecom Singapore Pte., Ltd. | Singapore |
| Chunghwa Telecom Global, Inc. | United States of America |
| Chunghwa Precision Test Tech USA Corporation | United States of America |
| Chunghwa Telecom Vietnam Co., Ltd. | Vietnam |
| Chunghwa Telecom (Thailand) Co., Ltd. | Thailand |
| Chunghwa Telecom Europe GmbH. | Germany |
| Chunghwa Telecom Malaysia SDN. BHD. | Malaysia |
From the subsidiary exhibit of the 20-F for 2025. Companies must list their significant subsidiaries there and may leave out smaller ones, so this is the company’s own list, not every entity it owns.
Read from Chunghwa Telecom’s annual reports (20-F for 2025, 20-F for 2024, 20-F for 2023) and the financial data it files with the SEC, as of 2026-04-15. Every quotation is word for word from the filing linked beside it; how these pages are built and checked. The full record is in its company data sheet.