| O.K. COMPANY LIMITED | Private company limited by shares | Dissolved |
| YET O.K. LIMITED | Private company limited by shares | Dissolved |
| O.K. LIMITED | Private company limited by shares | Dissolved |
| O.K. LIMITED | Private company limited by shares | Live |
| O.K. CONSULTANCY LIMITED | Private company limited by shares | Dissolved |
| FORMOSA (O.K.) COMPANY LIMITED | Private company limited by shares | Dissolved |
| O.K. Gardener Garden Company Limited | Private company limited by shares | Live |
| O.K. SHIPPING COMPANY LIMITED | Private company limited by shares | Dissolved |
| O.K. SUPERMARKET LIMITED | Private company limited by shares | Dissolved |
| OK101 LIMITED | Private company limited by shares | Live |
| OK118 COMPANY LIMITED | Private company limited by shares | Dissolved |
| O-Ka Property Agent Limited | Private company limited by shares | Live |
| OKABASHI COMPANY LIMITED | Private company limited by shares | Dissolved |
| OKABE DENTAL TRADING CO., LIMITED | Private company limited by shares | Live |
| OKABE DENTAL TRADING CO., LIMITED | Private company limited by shares | Live |
| OKABE (HONG KONG) LIMITED | Private company limited by shares | Live |
| OKABE & LOCK (HONG KONG) COMPANY LIMITED | Private company limited by shares | Dissolved |
| OKABE INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| OKABE CAPITAL MANAGEMENT LIMITED | Private company limited by shares | Dissolved |
| OKABE SEIKO HK COMPANY LIMITED | Private company limited by shares | Dissolved |
| OKada Limited | | Live |
| OKADA ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| Okada Fine Art Limited | Private company limited by shares | Live |
| OKADA INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| OKADA ORGANIC COMPANY LIMITED | Private company limited by shares | Live |
| OKADENKI (HONG KONG) LIMITED | Private company limited by shares | Live |
| Okady Co., Limited | | Live |
| OKAHATA HONG KONG & CO., LIMITED | Private company limited by shares | Live |
| OKAHH LIMITED | Private company limited by shares | Live |
| CHINA OKAI LIMITED | Private company limited by shares | Live |
| OKAIJIMA PRECISION EQUIPMENT (HONG KONG) CO., LIMITED | Private company limited by shares | Live |
| NINGBO OKAIL ELECTRIC CO., LIMITED | Private company limited by shares | Live |
| Okalia Limited | Private company limited by shares | Live |
| O'KAM COFFEE COMPANY LIMITED | Private company limited by shares | Live |
| OKAMA LIGHTING (HK) CO., LIMITED | Private company limited by shares | Live |
| OKAMA GROUP INT'L TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| OKAMH ELECTRONIC CO., LIMITED | Private company limited by shares | Live |
| OKAMI INTERNATIONAL SKIN-CARE ARTS COMPANY LIMITED | Private company limited by shares | Dissolved |
| Okami Knives Limited | Private company limited by shares | Live |
| OKAMOTO CO. LIMITED -THE- | Private company limited by shares | Dissolved |
| Okamoto Limited | | Live |
| LED OKAMURA HK LIMITED | Private company limited by shares | Live |
| OKAMURA CONCEPTS LIMITED | Private company limited by shares | Dissolved |
| OKAN ENTERPRISE LIMITED | Private company limited by shares | Live |
| OKANDA COMPANY LIMITED | Private company limited by shares | Dissolved |
| Okanemochi Co., Limited | Private company limited by shares | Live |
| OKANEWEB LIMITED | Private company limited by shares | Live |
| Okani Technology Co., Limited | Private company limited by shares | Live |
| OKANO LIMITED | Private company limited by shares | Live |
| OKANSA PACIFIC LIMITED | Private company limited by shares | Live |
| OKAPI COMPANY LIMITED | Private company limited by shares | Dissolved |
| OKAPI LIMITED | Private company limited by shares | Live |
| Okapia Creative Company Limited | Private company limited by shares | Live |
| OKAPIO Limited | Private company limited by shares | Live |
| OKAPIX LIMITED | Private company limited by shares | Live |
| Okapo Bedding & Furniture (HK) Limited | Private company limited by shares | Live |
| OKAR LIMITED | Private company limited by shares | Dissolved |
| OKARANGO INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| Hong Kong Okard International Trading Limited | Private company limited by shares | Live |
| OKARE LIMITED | Private company limited by shares | Live |
| Okarin Cosmetics Co., Limited | Private company limited by shares | Live |
| HongKong Okarin Cosmetics Co., Limited | Private company limited by shares | Live Commenced dormancy on 25-Apr-2016 |
| OKARTI OUTDOOR PRODUCTS CO., LIMITED | Private company limited by shares | Live |
| OKASEN INTERNATIONAL TRADE COMPANY LIMITED | Private company limited by shares | Live |
| OKASON ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| OKASUAL LIMITED | Private company limited by shares | Live |
| Okatsugyu Limited | Private company limited by shares | Live |
| OKAVANGO LIMITED | Private company limited by shares | Dissolved |
| Okawa Limited | | Live |
| OKAY LIMITED | Private company limited by shares | Dissolved |
| OKAY TEK LIMITED | Private company limited by shares | Live |
| OKAY COMPANY LIMITED | Private company limited by shares | Live |
| 3D OKAY LIMITED | Private company limited by shares | Live |
| OKAY HK COMPANY LIMITED | Private company limited by shares | Live |
| OKAY TAE LIMITED | | Live |
| Okay Accountancy Company Limited | Private company limited by shares | Live |
| ITALY OKAY ELECTRICAL APPLIANCE INTERNATIONAL GROUP COMPANY LIMITED | Private company limited by shares | Dissolved |
| EEVERYTHING'S GON NA BE OKAY LIMITED | Private company limited by shares | Live |
| EVERYDAY OKAY LIMITED | Private company limited by shares | Dissolved |
| Okay Healthcare Limited | Private company limited by shares | Live |
| JUST OKAY LIMITED | Private company limited by shares | Live |
| GERMANY OKAY AUTO PARTS LIMITED | Private company limited by shares | Live |
| OKAY PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| Okay Trade Limited | Private company limited by shares | Live |
| STAR OKAY INTERNATIONAL TRADING (HK) LIMITED | Private company limited by shares | Live |
| OKAYAMA LIMITED | Private company limited by shares | Dissolved |
| OKAYAMA TEXTILES (ASIA) LIMITED | Private company limited by shares | Dissolved |
| OKAYAMA FINANCE LIMITED | Private company limited by shares | Live |
| OKAYAMA INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| OKAYAMA TEXTILES LIMITED | Private company limited by shares | Dissolved |
| OKAYAYA CO., LIMITED | Private company limited by shares | Live |
| Okaybtc Network Technology Company Limited | Private company limited by shares | Dissolved |
| OKAYGARDEN LIMITED | | Live |
| OKAYHYDRO ELECTRICA LIMITED | Private company limited by shares | Live |
| OKAYLA TRADING LIMITED | Private company limited by shares | Dissolved |
| OKAYOO LIMITED | Private company limited by shares | Live |
| OKAY-QA LIMITED | | Live |
| OKAZAKI LIMITED | Private company limited by shares | Dissolved |
| OKBE8 Co., Limited | Private company limited by shares | Live |
| O.K.C BROTHERS LIMITED | Private company limited by shares | Dissolved |