| LEUNG AND KOO, LIMITED | Private company limited by shares | Dissolved |
| Koo51 & Koo52 Trading Limited | Private company limited by shares | Live |
| KOO99 COMPANY LIMITED | | Live |
| KOOB Limited | Private company limited by shares | Live |
| KOOB CORPORATION LIMITED | Private company limited by shares | Live |
| Koobi Limited | Private company limited by shares | Dissolved |
| KOOBLOGGS PACIFIC LIMITED | | Live |
| KOOBOOK PUBLISHING CO., LIMITED | Private company limited by shares | Live |
| KOOCA LIMITED | Private company limited by shares | Dissolved |
| KOOCABOX LIMITED | Private company limited by shares | Dissolved |
| KooCard Limited | Private company limited by shares | Live |
| Koocee Vertical Cotton Fibre Technology (HK) International Co., Limited | Private company limited by shares | Dissolved |
| Koocell Limited | Private company limited by shares | Live |
| KOODAT MOTOR SERVICE LIMITED | Private company limited by shares | Dissolved |
| KOODMAX International Co., Limited | Private company limited by shares | Live |
| Koodmax International Tech Co., Limited | Private company limited by shares | Live |
| GUANG ZHOU KOODO BAG CO., LIMITED | Private company limited by shares | Live |
| KOODON ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| KOODOO CO., LIMITED | Private company limited by shares | Dissolved |
| KOODOO JEWELLERY WORKS LIMITED | Private company limited by shares | Dissolved |
| KOODWET LIMITED | Private company limited by shares | Live |
| KOOFEI LIMITED | Private company limited by shares | Live |
| Hong Kong KooGame Technologies Co. Limited | Private company limited by shares | Live |
| KOOHA CREATE HONG KONG LIMITED | Private company limited by shares | Live |
| KooHollemann Limited | Private company limited by shares | Live |
| KOOING LIMITED | Private company limited by shares | Dissolved |
| KOOK LIMITED | Private company limited by shares | Dissolved |
| Kook Company Limited | Private company limited by shares | Live |
| KOOK RETAIL CONSULTING LIMITED | Private company limited by shares | Live |
| KO.OK Design Limited | Private company limited by shares | Live |
| Kook Global Limited | Private company limited by shares | Live |
| KOOK GROUP LIMITED -THE- | Private company limited by shares | Live |
| HAN KOOK HOLDINGS LIMITED | Private company limited by shares | Live |
| KOOK Wines and Spirits (Hong Kong) Limited | Private company limited by shares | Live |
| KOOK Digital (Hongkong) Co., Limited | Private company limited by shares | Live |
| KYEONG KOOK HONGKONG LIMITED | Private company limited by shares | Live |
| KOOK (HONGKONG) TECHNOLOGY LIMITED | Private company limited by shares | Live |
| DONG KOOK INDUSTRIAL DEVELOPE (HK) CO., LIMITED | Private company limited by shares | Dissolved |
| KOOK INTERIORS LIMITED | Private company limited by shares | Live |
| KOOK KIK TRADE LIMITED | | Live |
| Han Kook Trading Limited | Private company limited by shares | Dissolved |
| UNIVERSAL HON KOOK TOURS LIMITED | Private company limited by shares | Dissolved |
| KAM KOOK YUEN LIMITED | Private company limited by shares | Dissolved |
| Kam Kook Yuen Limited | | Live |
| Kooka Holding Limited | Private company limited by shares | Live |
| KOOKA (HONG KONG) OPTRONICS CO., LIMITED | Private company limited by shares | Live |
| KOOKAI BOOKSTORE LIMITED | Private company limited by shares | Live |
| Koo-Kai International CO., LIMITED | Private company limited by shares | Live |
| KOOKAN LIMITED | Private company limited by shares | Dissolved |
| KOOKE LIMITED | Private company limited by shares | Live |
| KOOKEE LIMITED | Private company limited by shares | Dissolved |
| KOOKEEN PRECISION MACHINERY CO., LIMITED | Private company limited by shares | Live |
| HONGKONG KOOKI COMPANY LIMITED | Private company limited by shares | Live |
| Kookie Dookie Limited | | Live |
| Kookii Limited | Private company limited by shares | Live |
| KOOKII INTERNATIONAL (HONGKONG) CO., LIMITED | Private company limited by shares | Live |
| KOOKIY TECHNOLOGY COOPERATION LIMITED | Private company limited by shares | Live |
| KOOKJIN LOGISTICS CO., LIMITED | Private company limited by shares | Live |
| KOOKNIE COMPANY LIMITED | Private company limited by shares | Dissolved |
| KOOK'S JEWELLERS LIMITED | Private company limited by shares | Dissolved |
| Kooky Entertainment Limited | Private company limited by shares | Live |
| KOOL LIMITED | Private company limited by shares | Live |
| KOOL FOR MEN LIMITED | Private company limited by shares | Live |
| TRADE KOOL LIMITED | Private company limited by shares | Live |
| KOOLAIR LIMITED | Private company limited by shares | Live |
| KOOLAMUNDO LIMITED | Private company limited by shares | Live |
| KOOLAN TRADING LIMITED -THE- | Private company limited by shares | Live |
| Koolanoo Group (HK) Limited | Private company limited by shares | Dissolved |
| HONGKONG KOOLARRD INT'L GROUP CO., LIMITED | Private company limited by shares | Live |
| KOOLBANQ LIMITED | Private company limited by shares | Live |
| Koolbusiness Limited | Private company limited by shares | Live |
| KoolBuyer Limited | Private company limited by shares | Live |
| KOOLCARD TECHNOLOGY LIMITED | Private company limited by shares | Live |
| KOOLCHIC FASHION ACCESSORIES CO., LIMITED | Private company limited by shares | Live |
| Kooldoo International Holdings (Hongkong) Co., Limited | Private company limited by shares | Live |
| KOOLE LIMITED | Private company limited by shares | Live |
| Hong Kong KooLe Technology Limited | | Live |
| YEMIE KOOLE LIMITED | Private company limited by shares | Live |
| KOOLEA LIMITED | Private company limited by shares | Dissolved |
| KOOLEADER COMPANY LIMITED | Private company limited by shares | Live |
| KOOLEX LIMITED | Private company limited by shares | Live Commenced dormancy on 16-Nov-2015 |
| KOOLHAM ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| HK Koolian Trading Limited | | Live |
| Koolie.cn Limited | Private company limited by shares | Live |
| Koolio Technology Limited | Private company limited by shares | Live |
| Shenzhen Koolite Limited | Private company limited by shares | Live |
| KOOLKOO.COM LIMITED | Private company limited by shares | Dissolved |
| KOOLL REALTY CO., LIMITED | Private company limited by shares | Dissolved |
| KOOLL STRATEGIC DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| KOOLL INTERNATIONAL (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| KOOLL INTERNATIONAL LEASING (CHINA) LIMITED | Private company limited by shares | Live |
| KOOLL INTERNATIONAL CONSOLIDATED SERVICES LIMITED | Private company limited by shares | Dissolved |
| KOOLL PREMIUM SELECT LIMITED | Private company limited by shares | Dissolved |
| KOOLL REEFER SERVICES LIMITED | Private company limited by shares | Dissolved |
| EK KOOLL REEFER SERVICES LIMITED | Private company limited by shares | Dissolved |
| KOOLLE LIMITED | | Live |
| Koolmax Co., Limited | Private company limited by shares | Live |
| KOOLONG COMPANY LIMITED | Private company limited by shares | Live |
| Koolpeace Limited | Private company limited by shares | Live |
| KOOLRIDING COMPANY LIMITED | Private company limited by shares | Live |