| NIDEC COPAL (HONG KONG) CO., LIMITED | Private company limited by shares | Live |
| NIDEC NEMICON HK CO., LIMITED | Private company limited by shares | Dissolved |
| NIDEC (H.K.) CO., LIMITED | Private company limited by shares | Live |
| NIDEC SANKYO (H.K.) CO., LIMITED | Private company limited by shares | Live |
| NIDEC SANKYO FUZHOU (H.K.) CO., LIMITED | Private company limited by shares | Dissolved |
| NIDEC NISSIN (H.K.) CO., LIMITED | Private company limited by shares | Live |
| NIDEC PIGEON (H.K.) CO., LIMITED | Private company limited by shares | Dissolved |
| NIDEC SHIBAURA (H.K.) LIMITED | Private company limited by shares | Live |
| NIDEC SEIMITSU (HONG KONG) CO., LIMITED | Private company limited by shares | Live |
| NIDEC SERVO (HONG KONG) CO., LIMITED | Private company limited by shares | Live |
| NIDEC JOHNSON ELECTRIC (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| NIDEC LOGISTICS (H.K.) CO., LIMITED | Private company limited by shares | Dissolved |
| NIDEC (NEW TERRITORIES) CO. LIMITED | Private company limited by shares | Live |
| NIDEK (CHINA) CO., LIMITED | Private company limited by shares | Dissolved |
| NIDEK HONG KONG CO., LIMITED | Private company limited by shares | Live |
| NIDEKA ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| NIDEKA (H.K.) LIMITED | Private company limited by shares | Live |
| Nideka Technology Limited | Private company limited by shares | Live |
| NIDERA ENTERPRISES LIMITED | Private company limited by shares | Live |
| NIDESIGN COMPANY LIMITED | Private company limited by shares | Live |