| BACK BAY LIMITED | Private company limited by shares | Dissolved |
| BACK TO BACK LIMITED | Private company limited by shares | Dissolved |
| TAX BACK LIMITED | Private company limited by shares | Dissolved |
| BACK LIMITED | Private company limited by shares | Live |
| Tea Back Limited | Private company limited by shares | Live |
| X BACK LIMITED | | Live |
| BACK TO FUN LIMITED | | Live |
| BACK AGAINST BACK TRADE LIMITED | Private company limited by shares | Dissolved |
| BACK IN TIME (BADALING) LIMITED | Private company limited by shares | Dissolved |
| Back to Basic Limited | Private company limited by shares | Live |
| DRAGONS BACK COMPANY LIMITED | Private company limited by shares | Live |
| Dragon's Back Tea Co. Limited -The- | Private company limited by shares | Live |
| EASY BACK LIMITED | Private company limited by shares | Dissolved |
| GRAND BACK LIMITED | Private company limited by shares | Dissolved |
| BACK TO BASIC HOLDING COMPANY LIMITED | Private company limited by shares | Live |
| BACK TO GOD HOUR LIMITED -THE- | Company limited by guarantee | Live |
| CANADIAN ASIAN NECK AND BACK INSTITUTE LIMITED | Private company limited by shares | Live |
| BACK INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| Back Label Limited | Private company limited by shares | Live |
| Back Market HK Limited | Private company limited by shares | Live |
| MOON AND BACK LIMITED -THE- | Private company limited by shares | Live |
| Back To Nature Co. Limited | Private company limited by shares | Live |
| Back to the Nature Limited | Company limited by guarantee | Live |
| My Back Office Limited | Private company limited by shares | Live |
| BACK TO SOUL LIMITED | | Live |
| BACK STORE LIMITED -THE- | Private company limited by shares | Dissolved |
| Back 2 Stream Limited | | Live |
| BACK IN TIME LIMITED | Private company limited by shares | Live |
| ZHONGSHAN XIAOLAN WELCOME BACK DRESS LIMITED | Private company limited by shares | Live |
| Get Your Boom Back Limited | Private company limited by shares | Live |
| Back2Future Limited | Private company limited by shares | Live |
| Back2Life HK Chiropractic Limited | Private company limited by shares | Live |
| BACKAGEE LIMITED | Private company limited by shares | Dissolved |
| Backbay India Limited | Private company limited by shares | Live |
| BACKBENCH LIMITED -THE- | Private company limited by shares | Live |
| BACKBONE LIMITED | Private company limited by shares | Live |
| Backbone Asia Limited | Private company limited by shares | Live |
| Backbone Capital Limited | Private company limited by shares | Live |
| Cogento Backbone Limited | | Live |
| BACKBONE EVENTS LIMITED | Private company limited by shares | Live |
| Backbone Investment Limited | Private company limited by shares | Live Commenced dormancy on 18-Oct-2018 |
| BACKBONE TECHNOLOGY LIMITED | Private company limited by shares | Live |
| BACKBONE TRADING HK LIMITED | Private company limited by shares | Live |
| Backdoo HK CO. Limited | Private company limited by shares | Live |
| Backdoor Company Limited -The- | Private company limited by shares | Live |
| Backdoor Consultancy & Investigation Company Limited | Private company limited by shares | Live |
| ASSET BACKED CAPITAL LIMITED | Private company limited by shares | Live |
| Assets Backed Digital Limited | Private company limited by shares | Live |
| BACKEN COMPANY LIMITED | Private company limited by shares | Dissolved |
| BACKER LIMITED | Private company limited by shares | Dissolved |
| BACKER ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| BACKER REGISTRATIONS LIMITED | Private company limited by shares | Live |
| ITALY (BACKERBRRY) INTERNATIONAL HOLDING LIMITED | | Live |
| BACKERLEAD (HK) INFORMATION TECHNOLOGY CO., LIMITED | | Live |
| Backers Limited | Private company limited by shares | Live |
| 24 Backers Limited | Private company limited by shares | Live |
| Backerstores Limited | Private company limited by shares | Live |
| Backerviews Technology Co., Limited | | Live |
| BACKFIRE LIMITED | Private company limited by shares | Dissolved |
| Backflag Limited | | Live |
| Backflip180 Limited | Private company limited by shares | Dissolved |
| Backhill Holdings Limited | Private company limited by shares | Live |
| BACKHOME LIMITED | Private company limited by shares | Live |
| BACKHOUSE LIMITED | | Live |
| BACKING INDUSTRIAL (HK) LIMITED | Private company limited by shares | Live |
| BACKKUNST INVESTMENT COMPANY LIMITED | Private company limited by shares | Live |
| BACKLIGHT LIMITED | Private company limited by shares | Live |
| Backlinder Consult Limited | Private company limited by shares | Live |
| BACKLONG LIMITED | Private company limited by shares | Dissolved |
| Backmu (Hong Kong) Limited | Private company limited by shares | Live |
| BACKNUMBER LIMITED | Private company limited by shares | Dissolved |
| SHANGHAI BACKOME FURNITURE INDUSTRY LIMITED | Private company limited by shares | Live |
| BEST-IN BACKPACK COMPANY LIMITED | Private company limited by shares | Live |
| Pepe Backpack Limited | | Live |
| Backpacker Limited | Private company limited by shares | Live |
| BACKPACKER CREATION LIMITED | Private company limited by shares | Live |
| Epic Backpacker Adventures Limited | Private company limited by shares | Live |
| Backpacker International Limited | Private company limited by shares | Live |
| Backpacker Restaurant Limited | Private company limited by shares | Live |
| HONG KONG BACKPACKERS ASSOCIATION LIMITED | Company limited by guarantee | Dissolved |
| BACKPACKERS HOSTEL HONG KONG LIMITED | Private company limited by shares | Dissolved |
| Backroom Limited | Private company limited by shares | Live |
| Backroom Creative Limited | Private company limited by shares | Live |
| HK BACKSOURCE STOCK CO., LIMITED | Private company limited by shares | Live |
| Backspace Entertainment Limited | Private company limited by shares | Live |
| BACKSPIN LIMITED | Private company limited by shares | Live |
| Backstab Limited | Private company limited by shares | Live |
| BACKSTAGE LIMITED | Private company limited by shares | Live |
| Backstage HK Limited | Private company limited by shares | Live |
| BACKSTAGE BAR LIMITED | Private company limited by shares | Live |
| BACKSTAGE BS LIMITED | | Live |
| BACKSTAGE ACCESSORIES LIMITED | Private company limited by shares | Live |
| Backstage Catering Limited | | Live |
| BACKSTAGE CONCEPTS LIMITED | Private company limited by shares | Dissolved |
| BACKSTAGE EVENTS COMPANY LIMITED | Private company limited by shares | Live |
| Backstage Focus Limited | Private company limited by shares | Live |
| BACKSTAGE HOLDING LIMITED | Private company limited by shares | Live |
| BACKSTAGE STYLING LIMITED | Private company limited by shares | Dissolved |
| BACKSTONE CAPITAL (HONG KONG) LIMITED | Private company limited by shares | Live |
| Backstory Limited | | Live |