| ONLY ONE COMPANY LIMITED | Private company limited by shares | Dissolved |
| PM ONLY LIMITED | Private company limited by shares | Dissolved |
| ONLY LIMITED | Private company limited by shares | Dissolved |
| ONLY ONE LIMITED | Private company limited by shares | Dissolved |
| ONLY U LIMITED | Private company limited by shares | Live |
| ONE & ONLY LIMITED | Private company limited by shares | Live |
| ONLY KEY LIMITED -THE- | Private company limited by shares | Dissolved |
| ONLY ONE LIMITED -THE- | Private company limited by shares | Live |
| ONLY AP LIMITED | Private company limited by shares | Live |
| only you by Limited | Private company limited by shares | Live |
| ONLY SKY LIMITED | Private company limited by shares | Live |
| TEA ONLY LIMITED | Private company limited by shares | Live |
| Only You Limited | Private company limited by shares | Live |
| One Only One Limited | Private company limited by shares | Live |
| Bao Only Limited | Private company limited by shares | Live |
| New Only Limited | | Live |
| Up Only Limited | | Live |
| One & Only Advisor Limited | Private company limited by shares | Live |
| ONLY ASIA COMPANY LIMITED | Private company limited by shares | Dissolved |
| ONLY BEST COMPANY LIMITED | Private company limited by shares | Dissolved |
| ONLY BRIGHT LIMITED | Private company limited by shares | Live |
| ONLY CAFE LIMITED | Private company limited by shares | Live |
| CASH ONLY LIMITED | Private company limited by shares | Live |
| Only One Catering Limited | Private company limited by shares | Live |
| CATS ONLY LIMITED | Private company limited by shares | Dissolved |
| Only Choice Limited -The- | Private company limited by shares | Dissolved |
| I Only Fly First Class Limited | Private company limited by shares | Live |
| ONLY CO., LIMITED | Private company limited by shares | Live |
| HK ONLY CO., LIMITED | Private company limited by shares | Live |
| Only Beauty Co., Limited | Private company limited by shares | Live |
| ONLY ONE CREATIVE CO., LIMITED | Private company limited by shares | Live |
| Only Digital Co., Limited | Private company limited by shares | Live |
| HK ONLY ELECTRONICS CO., LIMITED | Private company limited by shares | Dissolved |
| ONLY FOOTWEAR CO., LIMITED | Private company limited by shares | Live |
| GENELEC ONLY CO., LIMITED | Private company limited by shares | Live |
| Only Industry Co., Limited | | Live |
| Smart Only Industry Co., Limited | Private company limited by shares | Live |
| ONLY JEWELRY BOUTIQUE CO., LIMITED -THE- | Private company limited by shares | Dissolved |
| Only Joyful Co., Limited | Private company limited by shares | Live |
| ONLY LUXURY CO., LIMITED | Private company limited by shares | Live |
| ONLY ORIGINAL COMPONENTS CO., LIMITED | Private company limited by shares | Live |
| ONLY ONE SHIPPING SERVICE CO., LIMITED | Private company limited by shares | Live |
| ONE AND ONLY TRADE CO., LIMITED | Private company limited by shares | Live |
| MEMBERS ONLY COLLECTIONS LIMITED | Private company limited by shares | Dissolved |
| ONLY ONE COMMERCIAL ENGINEERING LIMITED | | Live |
| CONCEPTS ONLY LIMITED | Private company limited by shares | Dissolved |
| One & Only Connection Service Company Limited | Private company limited by shares | Live |
| ONLY DATA COMPANY LIMITED | Private company limited by shares | Dissolved |
| ONLY YOU DESIGN LIMITED | Private company limited by shares | Dissolved |
| Only With You Diamond Limited | Private company limited by shares | Live |
| Only One Dollar Limited | Private company limited by shares | Live |
| Drinks Only Limited | Private company limited by shares | Live |
| ONLY EDUCATION CO., LIMITED | Private company limited by shares | Live |
| HK EIFFEL (ONLY) SKIN CARE LIMITED | Private company limited by shares | Live |
| Only Electronic Company Limited | Private company limited by shares | Live |
| ONLY ENGINEERING LIMITED | | Live |
| ONLY ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| ONLY AP Enterprises Limited | Private company limited by shares | Live |
| FAMILY ONLY LIMITED | | Live |
| ONLY ONE FASHION CO., LIMITED | Private company limited by shares | Live |
| Only Fashion Co., Limited | Private company limited by shares | Live |
| FIRST AID ONLY LIMITED | Private company limited by shares | Dissolved |
| ONE AND ONLY FOODS COMPANY LIMITED -THE- | Private company limited by shares | Live |
| Only Fountainhead Limited | Private company limited by shares | Live |
| FRIENDS ONLY LIMITED | | Live |
| ONLY FRIENDS LIMITED | | Live |
| ONLY GIANT OF HK LIMITED -THE- | Private company limited by shares | Live |
| ONLY GOLD LIMITED | Private company limited by shares | Dissolved |
| Good Chi Only Limited | | Live |
| Good Girls Only Limited | Private company limited by shares | Live |
| Only Plant a Grass Every Day Limited | Private company limited by shares | Live |
| NOT ONLY GROUP LIMITED | Private company limited by shares | Dissolved |
| ONLY GROUP LIMITED | Private company limited by shares | Live |
| ONE AND ONLY GROUP LIMITED | Private company limited by shares | Live |
| Only One Catering Group Limited | Private company limited by shares | Live |
| GUANGDONG ONLY LIMITED | Private company limited by shares | Dissolved |
| ONLY YOU HEALTHCARE LIMITED | | Live |
| ONLY (HOLDING) LIMITED | Private company limited by shares | Live |
| ONLY BEST INDUSTRIAL LIMITED | Private company limited by shares | Live |
| ONLY ONE INVESTMENT LIMITED | Private company limited by shares | Live |
| By Invite Only Limited | Private company limited by shares | Live |
| One and Only Jewelry Limited | | Live |
| KIDS ONLY, LIMITED | Private company limited by shares | Live |
| ONLY SPINNING (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| FRENCH LIMESTONE ONLY LIMITED | Private company limited by shares | Live |
| Only the Sky is the Limit Limited | Private company limited by shares | Live |
| You Only Live Once Limited | Private company limited by shares | Live |
| BUY ONLY LUXURY LIMITED | Private company limited by shares | Live |
| MAGIC ONLY INCORPORATED LIMITED | Private company limited by shares | Dissolved |
| NOT ONLY CATERING MANAGEMENT LIMITED | Private company limited by shares | Dissolved |
| Only Mine Limited | Private company limited by shares | Live |
| Only Smart Network Company Limited | | Live |
| ONLY NETWORKS LIMITED | Private company limited by shares | Live |
| One And Only Online Company Limited | Private company limited by shares | Live |
| Only Organic Limited | Private company limited by shares | Dissolved |
| Only Original Perfumes Limited | Private company limited by shares | Live |
| ONLY PLACE COMPANY LIMITED -THE- | Private company limited by shares | Live Commenced dormancy on 27-Jan-2014 |
| NOT ONLY POWDER LIMITED | | Live |
| ONLY YOU GIFT & PREMIUM LIMITED | Private company limited by shares | Dissolved |
| PRETTY ONLY LIMITED | Private company limited by shares | Live |