| YOUR WHITE SMILE LIMITED | Private company limited by shares | Live |
| WINNING SMILE COMPANY LIMITED | Private company limited by shares | Dissolved |
| Winning Smile Limited | Private company limited by shares | Live |
| Smile with us HK Limited | Company limited by guarantee | Live |
| Wonder Smile Limited | Private company limited by shares | Live |
| SMILE FACE WORKSHOP LIMITED | Private company limited by shares | Dissolved |
| SMILE WORLD LIMITED | Private company limited by shares | Live |
| XIXI Smile Company Limited | Private company limited by shares | Live |
| SMILE YEAR LIMITED | Private company limited by shares | Live Commenced dormancy on 21-Nov-2013 |
| YELLOW SMILE LIMITED | Private company limited by shares | Dissolved |
| YIWU SMILE COMMODITY CO., LIMITED | Private company limited by shares | Live |
| SMILECARE COMPANY LIMITED | | Live |
| SMILED COMPANY LIMITED | Private company limited by shares | Live |
| SMILEDAY PRODUCTION LIMITED | Private company limited by shares | Live |
| SmileDirectClub HK Limited | Private company limited by shares | Live |
| SMILEFITTER COMPANY LIMITED | Private company limited by shares | Dissolved |
| SMILEFUL INVESTMENT LIMITED | Private company limited by shares | Live |
| Smilefx Limited | Private company limited by shares | Live |
| SMILEGADGETS LIMITED | Private company limited by shares | Live |
| Smilegames Limited | | Live |
| SMILE-INTER TRADING AND SERVICE CO., LIMITED | Private company limited by shares | Live |
| SMILEKIT TECH LIMITED | | Live |
| SMILEKOREA COMPANY LIMITED | Private company limited by shares | Live |
| Smilelab HongKong Limited | Private company limited by shares | Live |
| SMILELAND ADVERTISING CO., LIMITED | Private company limited by shares | Dissolved |
| SMILELAND PRODUCTIONS LIMITED | Private company limited by shares | Live |
| New Smileland Productions Limited | Private company limited by shares | Live |
| SMILEME TRADE LIMITED | Private company limited by shares | Live |
| SMILEMON LIMITED | Private company limited by shares | Live |
| SmileNergy Company Limited | Private company limited by shares | Live |
| SHANGHAI SMILER CHEMICAL CO., LIMITED | Private company limited by shares | Live |
| SMILER CORPORATION LIMITED | Private company limited by shares | Live |
| HongKong Smiler Vape Technology Co., Limited | | Live |
| SMILER INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SMILER INTERNATIONAL TRADE LIMITED | Private company limited by shares | Live |
| SMILER SCIENCE AND TECHNOLOGY (HONGKONG) COMPANY LIMITED | Private company limited by shares | Live |
| SMILERNMORY INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SMILES COMPANY LIMITED | Private company limited by shares | Live |
| SMILES ARTS STUDIO LIMITED | Private company limited by shares | Live |
| Smiles Card Limited | Private company limited by shares | Live |
| SMILES ORTHODONTIC & DENTOFACIAL ORTHOPAEDIC CENTRE LIMITED | | Live |
| SMILES & FACES ORTHODONTIC CENTRE LIMITED | Private company limited by shares | Live |
| Cookie Smiles Limited | Private company limited by shares | Live |
| SMILES ON DEMAND LIMITED | Private company limited by shares | Live |
| SMILES DENTAL CENTRE LIMITED | Private company limited by shares | Live |
| Smiles Family Dental Limited | | Live |
| Smiles Implants Dental Limited | | Live |
| Comma Smiles Education Limited | | Live |
| CHINA THREE SMILES FASHION (HK) CO., LIMITED | Private company limited by shares | Dissolved |
| FORTUNE SMILES LIMITED | Private company limited by shares | Live |
| LOVING SMILES FOUNDATION LIMITED | Company limited by guarantee | Live |
| Great Smiles Limited | Private company limited by shares | Live |
| HAPPY AND SMILES LIMITED | | Live |
| SMILES TECH INDUSTRIAL LIMITED | Private company limited by shares | Live |
| SMILES INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| Kiddo Smiles Limited | Private company limited by shares | Live |
| Happy Little Smiles Limited | Private company limited by shares | Live |
| Miles of Smiles Education HK Limited | Private company limited by shares | Live |
| NATURAL SMILES LIMITED | Private company limited by shares | Live |
| SMILES PRODUCTION LIMITED | Private company limited by shares | Live |
| Smiles Property Consultants Limited | Private company limited by shares | Live |
| RADIANT SMILES COMPANY LIMITED | Private company limited by shares | Dissolved |
| Signature Smiles Limited | | Live |
| SMILES TRADING COMPANY LIMITED | Private company limited by shares | Live |
| SMILES TRADING HONGKONG COMPANY LIMITED | | Live |
| ALL SMILES TRADING AND INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| SMILES WORKSHOP LIMITED | Private company limited by shares | Dissolved |
| Smilesea Lucky Limited | | Live |
| CHINA INT'L (ROYAl SMIlESLANDS) HEALTH INDUSTRY GROUP INC., LIMITED | Private company limited by shares | Live |
| SMILESTONE COMMUNICATIONS LIMITED | Private company limited by shares | Live |
| Smilestone Charity Foundation Limited | Company limited by guarantee | Live |
| SmileStone HongKong Limited | Private company limited by shares | Live |
| Smilestone Medical Limited | | Live |
| Smilestone Technology Co., Limited | Private company limited by shares | Live |
| SMILETC LIMITED | Private company limited by shares | Live |
| SMILETEQ LIMITED | Private company limited by shares | Live |
| SMILETIME LIMITED | Private company limited by shares | Live |
| Smileverse Limited | | Live |
| SMILEWALK LIMITED | Private company limited by shares | Dissolved |
| SMILEWAY ELECTRONICS LIMITED | Private company limited by shares | Live |
| SMILEWAY (HK) INDUSTRY LIMITED | Private company limited by shares | Dissolved |
| Shenzhen Smilewey Company Limited | Private company limited by shares | Live |
| SmileWorks Co., Limited | Private company limited by shares | Live |
| SmileWorks Dental Group (TKO) Limited | | Live |
| SMILEY COMPANY LIMITED | Private company limited by shares | Dissolved |
| Smiley & Bee Limited | Private company limited by shares | Live |
| KJ Smiley Limited | Private company limited by shares | Live |
| Smiley Sun Company Limited | Private company limited by shares | Live |
| Smiley Buy Limited | Private company limited by shares | Live |
| Smiley VMR Company Limited | | Live |
| SMILEY APAC LIMITED | Private company limited by shares | Live |
| Smiley Baking Company Limited | Private company limited by shares | Live |
| Smiley Beauty Company Limited | Private company limited by shares | Live |
| SMILEY BRIGHTEN LIMITED | Private company limited by shares | Live |
| Smiley Enterprises Co., Limited | Private company limited by shares | Live |
| SMILEY CRAFTS COMPANY LIMITED | Private company limited by shares | Live |
| Smiley Face Electronic Limited | Private company limited by shares | Live |
| Smiley Entertainment Limited | Private company limited by shares | Live |
| SMILEY KIDS LIMITED | Private company limited by shares | Live |
| Smiley & Gareth Racing Limited | | Live |