| SMILE CIRCLE INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SMILE CITY LIMITED | Private company limited by shares | Dissolved |
| SMILE CITY LIMITED | Private company limited by shares | Live |
| SMILE CLINIC LIMITED | Private company limited by shares | Live |
| TST Digital Smile Clinic Limited | | Live |
| Smile Clinic Orthodontic Centre Limited -The- | Private company limited by shares | Live |
| SMILE SPECIALIST CLINIC LIMITED | | Live |
| Smile Clothing HK Limited | Private company limited by shares | Live |
| SMILE BAG CO., LIMITED | Private company limited by shares | Live |
| Smile Too Co., Limited | Private company limited by shares | Live |
| A SMILE CO., LIMITED | Private company limited by shares | Live |
| Smile Co., Limited | Private company limited by shares | Live |
| Smile 369 Co., Limited | | Live |
| SMILE ACCESSORIES CO., LIMITED | | Live |
| Smile Auto Accessories Co., Limited | Private company limited by shares | Live |
| SMILE ALLEN CO., LIMITED | Private company limited by shares | Live |
| SMILE ASIA INDUSTRY(HK)TRADING CO., LIMITED | Private company limited by shares | Live |
| SMILE ELECTRIC CO., LIMITED | Private company limited by shares | Live |
| 4 SMILE (HK) CO., LIMITED | Private company limited by shares | Live |
| Smile House Co., Limited | | Live |
| SMILE IMP&EXP CO., LIMITED | Private company limited by shares | Live |
| SMILE INDUSTRY-TRADE CO., LIMITED | Private company limited by shares | Live |
| New Smile International Co., Limited | Private company limited by shares | Live |
| SMILE JEWELRY CO., LIMITED | Private company limited by shares | Live |
| QINGDAO SMILE JEWELRY CO., LIMITED | Private company limited by shares | Live |
| LUCKY SMILE IMP AND EXP CO., LIMITED | Private company limited by shares | Live |
| SMILE SERVICE (HK) CO., LIMITED | Private company limited by shares | Live |
| SHENZHEN SMILE LED CO., LIMITED | Private company limited by shares | Live |
| SMILE INTERNATIONAL SHIPPING CO., LIMITED | Private company limited by shares | Dissolved |
| REUNION SMILE SHIPPING CO., LIMITED | | Live |
| Smile Shoes & Components Co., Limited | Private company limited by shares | Live |
| Spain Smile Trade Co., Limited | Private company limited by shares | Live |
| HK Time Smile Co., Limited | Private company limited by shares | Live |
| HK SMILE TRADE CO., LIMITED | | Live |
| Smile Communications Limited | Private company limited by shares | Live |
| SMILE CONCEPT LIMITED | Private company limited by shares | Live |
| Smile (HK) Investment & Consultations Limited | Private company limited by shares | Dissolved |
| SMILE CONSULTING LIMITED | | Live |
| SMILE DRAGON CORPORATION LIMITED | Private company limited by shares | Live |
| Craft T & Smile Center Limited | Private company limited by shares | Live |
| SMILE CREATE INTERNATIONAL LIMITED | Private company limited by shares | Live |
| CREATE SMILE INT'L TRADE CO., LIMITED | Private company limited by shares | Dissolved |
| SMILE CREATION LIMITED | Private company limited by shares | Dissolved |
| SMILE CREATION LIMITED | Private company limited by shares | Live |
| Creative Smile Limited | Private company limited by shares | Live |
| CROWN SMILE LIMITED | Private company limited by shares | Live |
| Smile Dental Limited | Private company limited by shares | Live |
| V Smile Dental Limited | Private company limited by shares | Live |
| Dental Smile Limited | | Live |
| 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 |