| C SMILE DENTAL LIMITED | | Live |
| SHINING SMILE DENTAL CARE LIMITED | Private company limited by shares | Live |
| SMILE DENTAL CLINIC LIMITED | Private company limited by shares | Live |
| I SMILE DENTAL CO., LIMITED | Private company limited by shares | Live |
| SMILE CREATION COSMETIC DENTAL CLINIC LIMITED | Private company limited by shares | Live |
| SMILE DESIGN DENTAL CLINIC LIMITED | Private company limited by shares | Live |
| DREAM SMILE DENTAL LIMITED | Private company limited by shares | Live |
| Esthetic Smile Dental Limited | | Live |
| HK EXPERT SMILE DENTAL LAB LIMITED | | Live |
| SMILE AND FACE DENTAL LIMITED | Private company limited by shares | Live |
| Gold Smile Dental Limited | Private company limited by shares | Live |
| SMILE INTERNATIONAL DENTAL GROUP LIMITED | Private company limited by shares | Live |
| 123 SMILE DENTAL SPECIALISTS GROUP LIMITED | Private company limited by shares | Live |
| Happy Smile Dental Limited | Private company limited by shares | Live |
| Go Smile Dental (Kowloon) Limited | Private company limited by shares | Live |
| Smile Dental Laboratory Company Limited | Private company limited by shares | Live |
| LOVE MY SMILE DENTAL CLINIC LIMITED | Private company limited by shares | Live |
| Sunny Smile Dental Limited | Private company limited by shares | Live |
| Sunny Smile Dental Service Limited | Private company limited by shares | Live |
| Smile Inc. Dental Surgeons HK Limited | Private company limited by shares | Live |
| Go Smile Dental (Tai Po) Limited | Private company limited by shares | Live |
| SMILE DESIGN LIMITED | Private company limited by shares | Live |
| SMILE DESSERT COMPANY LIMITED | Private company limited by shares | Live |
| SMILE DRAGON LIMITED | Private company limited by shares | Live |
| DRAGON SMILE LIMITED | Private company limited by shares | Live |
| Dream Smile Games Limited | | Live |
| Smile Droid Technology Limited | Private company limited by shares | Live |
| EASTERN SMILE LIMITED | Private company limited by shares | Dissolved |
| Smile (HONGKONG) E-commerce Limited | Private company limited by shares | Live |
| Happy Smile Elderly Limited | | Live |
| Smile Electronic Co., Limited | Private company limited by shares | Live |
| SMILE ELECTRONIC GROUP LIMITED | Private company limited by shares | Live |
| SMILE ELECTRONICS CO., LIMITED | Private company limited by shares | Live |
| SMILE (INTERNATIONAL) ELECTRONICS COMPANY LIMITED | Private company limited by shares | Dissolved |
| ELITE SMILE LIMITED | Private company limited by shares | Live |
| EASTERN SMILE EMPLOYMENT LIMITED | Private company limited by shares | Dissolved |
| SMILE ENERGY LIMITED | Private company limited by shares | Live |
| EASTERN SMILE ENGINEERING & TRADING CO., LIMITED | Private company limited by shares | Live |
| SUN SMILE ENTERPRISE LIMITED | Private company limited by shares | Live |
| Smile Cup Enterprise Limited | Private company limited by shares | Live |
| SMILE ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| SMILE WEALTHY ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| SMILE WAY ESTATE LIMITED | Private company limited by shares | Live |
| ANGEL SMILE ESTHETIC INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| EVER SMILE (H.K.) LIMITED | Private company limited by shares | Live |
| Everyday Smile Limited | Private company limited by shares | Live |
| SMILE AUTO EXCHANGE SERVICE LIMITED | Private company limited by shares | Dissolved |
| BE SMILE IMPORT & EXPORT CO., LIMITED | Private company limited by shares | Live |
| SMILE EXPRESS LIMITED | Private company limited by shares | Live |
| SMILE FACE COMPANY LIMITED | Private company limited by shares | Dissolved |
| SMILE FACE LIMITED | Private company limited by shares | Live |
| Smile Factory HongKong Limited | | Live |
| FAIR SMILE LIMITED | Private company limited by shares | Dissolved |
| Family Smile Limited | | Live |
| FANCY SMILE LIMITED | Private company limited by shares | Live |
| SMILE FASHION CO., LIMITED | Private company limited by shares | Dissolved |
| Smile Win International Financial Group Limited | Private company limited by shares | Live |
| FIRST SMILE LIMITED | Private company limited by shares | Live |
| Smile First Limited | Private company limited by shares | Live |
| SMILE FOCUS LIMITED | Private company limited by shares | Live |
| SMILE FOOTWEAR (HK) LIMITED | Private company limited by shares | Live |
| SMILE FOREVER TECHNOLOGY CO., LIMITED | | Live |
| FORTUNE SMILE LIMITED | Private company limited by shares | Dissolved |
| FORTUNE SMILE LIMITED | Private company limited by shares | Live |
| FORTUNE'S SMILE LIMITED | Private company limited by shares | Dissolved |
| SMILE FOUNDATION LIMITED | Company limited by guarantee | Live |
| Smile Angel Charity Foundation Limited | | Live |
| CC Smile Charity Foundation Limited | Company limited by guarantee | Live |
| Smile Charity Foundation Limited | Company limited by guarantee | Live |
| Future Smile China Charitable Foundation Limited | Private company limited by shares | Live |
| FRIENDLY SMILE COMPANY LIMITED | Private company limited by shares | Dissolved |
| FULL SMILE LIMITED | Private company limited by shares | Live |
| SMILE GAIN LIMITED | Private company limited by shares | Dissolved |
| Smile Garden Company Limited | Private company limited by shares | Dissolved |
| SMILE GARMENT LIMITED | Private company limited by shares | Dissolved |
| SMILE GIRL LIMITED | | Live |
| SMILE GLOBAL LIMITED | Private company limited by shares | Dissolved |
| SMILE 2 GLOBAL LIMITED | Private company limited by shares | Live |
| GLOBAL SMILE LIMITED | Private company limited by shares | Live |
| SMILE GLOBAL LIMITED | Private company limited by shares | Live |
| SMILE LINK GLOBAL LIMITED | Private company limited by shares | Live |
| SMILE RADIO GLOBAL LIMITED | Private company limited by shares | Live |
| SMILE GLOBAL TRADING LIMITED | Private company limited by shares | Dissolved |
| GLORY SMILE LIMITED | Private company limited by shares | Dissolved |
| Smile Goals Limited | Private company limited by shares | Live |
| GOOD SMILE LIMITED | Private company limited by shares | Live |
| GOOD SMILE TRADING LIMITED | Private company limited by shares | Dissolved |
| Goods Smile Group Limited | Private company limited by shares | Live |
| GRACE SMILE LIMITED | Private company limited by shares | Live |
| GRACE SMILE INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| GRAND SMILE LIMITED | Private company limited by shares | Live |
| GREAT SMILE LIMITED | Private company limited by shares | Dissolved |
| Great Smile Limited | Private company limited by shares | Live |
| GREAT SMILE ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| GREEN SMILE TRADE CO., LIMITED | Private company limited by shares | Live |
| SMILE GROUP LIMITED -THE- | Private company limited by shares | Dissolved |
| SMILE GROUP LIMITED | Private company limited by shares | Live |
| Smile Group Co., Limited | Private company limited by shares | Dissolved |
| SMILE GROUP (HK) CO., LIMITED | Private company limited by shares | Live |
| SMILE INTERNATIONAL GROUP LIMITED | Private company limited by shares | Dissolved |