| CY CLEANROOM PRODUCTS HK LIMITED | | Live |
| PLC CLEANROOM AND SCIENTIFIC TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| CLEANSE COMPANY LIMITED | Private company limited by shares | Live |
| Cleanse Concepts Company Limited | Private company limited by shares | Live |
| MASTER WONG CLEANSE COMPANY LIMITED | Private company limited by shares | Live |
| CleanSea Administration Limited | Private company limited by shares | Dissolved |
| CLEANSEA ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| CLEANSEA ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| CLEANSEA RECYCLING LIMITED | Private company limited by shares | Dissolved |
| Cleansea Ship Management Co., Limited | | Live |
| CLEANSEA TRADING LIMITED | | Live |
| Cleanship Hong Kong Limited | Private company limited by shares | Live |
| SUN LEE CLEANSING COMPANY LIMITED | Private company limited by shares | Live |
| Cleansing Limited | Private company limited by shares | Live |
| CLEANSING APE LIMITED | | Live |
| LI's Cleansing Products Limited | Private company limited by shares | Live |
| HAPPY CAR CLEANSING SERVICE LIMITED | Private company limited by shares | Live |
| Cleanspace (China) Limited | | Live |
| CLEANSTAT INTERNATIONAL (HONG KONG) CO., LIMITED | Private company limited by shares | Live |
| CleanStation Technology Co., Limited | Private company limited by shares | Live |
| Cleansy Group Limited | Private company limited by shares | Live |
| CLEANTEC MARITIME LIMITED | Private company limited by shares | Live |
| CLEANTEC TRADE LIMITED | Private company limited by shares | Dissolved |
| IGC CLEANTECH LIMITED | Private company limited by shares | Live |
| AA CLEANTECH LIMITED | | Live |
| DL CLEANTECH HK COMPANY LIMITED | | Live |
| Hua Tai Cleantech Co. Limited | | Live |
| Cleantech Capital Limited | Private company limited by shares | Live |
| TUNG'S CLEANTECH INVESTMENT COMPANY LIMITED | Private company limited by shares | Live |
| HTM CleanTek Limited | Private company limited by shares | Live |
| CLEANTOOLS (C) COMPANY LIMITED | Private company limited by shares | Live |
| HONG KONG CLEANTOP LIMITED | Private company limited by shares | Live |
| CLEAN-V (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| CLEANWAVE BATHROOM PRODUCTS LIMITED | Private company limited by shares | Live |
| CLEANWAVE ELECTRONICS CO., LIMITED | Private company limited by shares | Dissolved |
| PUYANG CLEANWAY CHEMICALS LIMITED | | Live |
| Cleanway Enterprise Limited | Private company limited by shares | Live |
| CLEANWAY ENGINEERING (HK) LIMITED | Private company limited by shares | Live |
| CLEANWAY INVESTMENTS LIMITED | Private company limited by shares | Live |
| Shanghai Cleanwell Aviation Ground Service (HK) Co. Limited | Private company limited by shares | Live |
| CLEANZON LIMITED | Private company limited by shares | Live |
| CLEAR SKY LIMITED | Private company limited by shares | Dissolved |
| CLEAR USE LIMITED | Private company limited by shares | Live |
| CLEAR LIMITED | Private company limited by shares | Dissolved |
| CLEAR SKY LIMITED | Private company limited by shares | Live Commenced dormancy on 28-Mar-2011 |
| JOY CLEAR LIMITED | Private company limited by shares | Live |
| CLEAR MAX LIMITED | Private company limited by shares | Live |
| Clear Vu Limited | Private company limited by shares | Live |
| AIM CLEAR LIMITED | Private company limited by shares | Dissolved |
| CLEAR LIMITED | Private company limited by shares | Live |
| Clear Way Pte Limited | Private company limited by shares | Live |
| CLEAR DAY LIMITED | Private company limited by shares | Live |
| Clear TD Limited | Private company limited by shares | Live |
| Clear Sky Company Limited | Private company limited by shares | Live |
| CLEAR BAY LIMITED | | Live |
| CL Clear Limited | | Live |
| CLEAR ALIGNERS HK LIMITED | Private company limited by shares | Live |
| AQUA CLEAR LIMITED | Private company limited by shares | Live |
| AQUA CLEAR LIMITED | Private company limited by shares | Live |
| CLEAR ASIA LIMITED | Private company limited by shares | Live |
| BEAUTY CLEAR LIMITED | | Live |
| CLEAR BRIGHT LIMITED | Private company limited by shares | Live |
| CLEAR AND BRIGHT ENTERPRISE LIMITED | Private company limited by shares | Live |
| Clear Capital Limited | Private company limited by shares | Live |
| Clear Vision Ophthalmic Surgical Centre Limited | Private company limited by shares | Live |
| CENTURY CLEAR LIMITED | Private company limited by shares | Dissolved |
| CLEAR CENTURY LIMITED | Private company limited by shares | Live |
| CLEAR CLASSICS LIMITED | Private company limited by shares | Dissolved |
| Clean & Clear Limited | Private company limited by shares | Live |
| Clear Sky Cleaning Service Limited | | Live |
| Sword Clear E-Commerce Co., Limited | | Live |
| CLEAR VISION HOLDING CO., LIMITED | Private company limited by shares | Live |
| CLEAR SKY HONG KONG CO., LIMITED | Private company limited by shares | Live |
| CLEAR TEA INDUSTRY CO., LIMITED | Private company limited by shares | Live |
| Clear Skies Commodity Limited | Private company limited by shares | Live |
| CLEAR CONCEPT LIMITED | Private company limited by shares | Dissolved |
| CLEAR CONCEPT INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| CLEAR SKY CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Live |
| CLEAR THE WAY COUNSELLING LIMITED | Private company limited by shares | Live |
| CLEAR CREATE LIMITED | Private company limited by shares | Dissolved |
| CLEAR DAWN INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| CLEAR DEAL LIMITED | Private company limited by shares | Dissolved |
| CLEAR SKY LANDSCAPE DESIGN COMPANY LIMITED | Private company limited by shares | Live |
| CLEAR DEVELOP LIMITED | Private company limited by shares | Dissolved |
| CLEAR DIRECTION COMPANY LIMITED | Private company limited by shares | Dissolved |
| CLEAR DIRECTION INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| CLEAR DRAGON LIMITED | Private company limited by shares | Live |
| CLEAR SKY FAR EAST LIMITED | Private company limited by shares | Dissolved |
| In Clear Electronics Limited | | Live |
| CLEAR SKY ENGINEERING LIMITED | Private company limited by shares | Live |
| Clear Engineering Limited | Private company limited by shares | Live |
| CLEAR FANCY LIMITED | Private company limited by shares | Dissolved |
| CLEAR (HONG KONG) FASHION CO., LIMITED | Private company limited by shares | Live |
| FAST CLEAR LIMITED | Private company limited by shares | Live |
| Clear Flora Trade Limited | | Live |
| Clear Focus Limited | | Live |
| CLEAR FOCUS INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| CLEAR FOUNTAIN LIMITED | Private company limited by shares | Live |
| CLEAR FUSION LIMITED | Private company limited by shares | Live |
| CLEAR FUTURE LIMITED | Private company limited by shares | Dissolved |