| STIM, LIMITED | Private company limited by shares | Live |
| STIMA (HONG KONG) ELECTRONICS CO., LIMITED | Private company limited by shares | Live |
| STIME LIMITED | Private company limited by shares | Live |
| S-TIME (ASIA) LIMITED | Private company limited by shares | Dissolved |
| STIME INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| STIMI LIMITED | Private company limited by shares | Dissolved |
| Stimme Solutions Limited | Private company limited by shares | Live |
| Stims Limited | Private company limited by shares | Live |
| STIMSONITE HONG KONG LIMITED | Private company limited by shares | Dissolved |
| Stimulant Limited | | Live |
| CHILDREN LIFE STIMULATION ORGANISATION LIMITED | Company limited by guarantee | Live |
| HYPER STIMULATOR COMPANY LIMITED | Private company limited by shares | Live |
| Laser Stimulator Company Limited | Private company limited by shares | Dissolved |
| Innovative Stimuli Education Limited | Private company limited by shares | Dissolved |
| Stimuli Technology Education Company Limited | Private company limited by shares | Dissolved |
| STIMULI SIX STUDIO LIMITED | Private company limited by shares | Dissolved |
| STIMULO LIMITED | Private company limited by shares | Live |
| STIMULUS HK LIMITED | | Live |
| Stimulus Consulting Group Limited | Private company limited by shares | Live |
| Stimulus Fitness Limited | | Live |
| Stimulus Design Group Limited | Private company limited by shares | Live |
| STIMULUS INVESTOR RELATIONS LIMITED | Private company limited by shares | Live |
| STIMULUS MAGNUM PRINTING CO., LIMITED | Private company limited by shares | Dissolved |
| Stimulus Human Resource Limited | | Live |
| STIMULUS RESEARCH SERVICES HK LIMITED | Private company limited by shares | Live |
| STIMWORKS LIMITED | Private company limited by shares | Live |