| KOON HOI ELECTRIC LIMITED | Private company limited by shares | Live |
| Koon Fai Embroidery Factory Limited | Private company limited by shares | Live |
| KOON LEE KI ENTERPRISE LIMITED | Private company limited by shares | Live |
| KOON KAY ENTERPRISES COMPANY LIMITED | Private company limited by shares | Dissolved |
| MAI KOON ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| TAI KOON ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| KOON NAM ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| KOON U ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| YAT KOON ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| KOON SUN ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| KOON YIP ENTERPRISES LIMITED | Private company limited by shares | Live |
| KOON SUN ESTATE LIMITED | Private company limited by shares | Dissolved |
| KOON WAH FINANCE COMPANY LIMITED | Private company limited by shares | Live |
| KOON MAN HOLDING LIMITED | Private company limited by shares | Live |
| KOON WAH KAM KONG (HOLDING) LIMITED | Private company limited by shares | Dissolved |
| TAI KOON INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| KAM KOON INVESTMENT COMPANY LIMITED | Private company limited by shares | Live |
| KOON KAU INVESTMENT COMPANY, LIMITED | Private company limited by shares | Dissolved |
| WAH KOON INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| KOON LUN INVESTMENT COMPANY, LIMITED | Private company limited by shares | Dissolved |
| MAN KOON INVESTMENT COMPANY, LIMITED | Private company limited by shares | Dissolved |
| KAR KOON INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| PO KOON INVESTMENT COMPANY LIMITED | Private company limited by shares | Live |
| KIU KOON INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| LIN KOON INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| VIN KOON INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| KOON TAK INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| KOON YIN INVESTMENT LIMITED | Private company limited by shares | Live |
| DIK KOON INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| KOON HOI INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| KOON HEY INVESTMENTS LIMITED | Private company limited by shares | Live |
| KOON BOW INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| KOON BUD INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| ON KOON INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| KOON TAI TOY INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| KOON NAM WAH JEWELLERY LIMITED | Private company limited by shares | Dissolved |
| KOON CHIU JEWELLERY LIMITED | Private company limited by shares | Dissolved |
| MEE KOON IMITATION JEWELLERY COMPANY, LIMITED | Private company limited by shares | Live |
| KOON NGAI JEWELLERY COMPANY LIMITED | Private company limited by shares | Live |
| LU JOSS KOON LIMITED | Company limited by guarantee | Live |
| KOON KEUNG COMPANY LIMITED | Private company limited by shares | Dissolved |
| KONG KOON COMPANY LIMITED | Private company limited by shares | Dissolved |
| Moon Koon Logistic Limited | Private company limited by shares | Live |
| KOON AH PLASTIC MANUFACTORY, LIMITED | Private company limited by shares | Dissolved |
| MAOSHAN TSO LAP KOON LIMITED | | Live |
| KOON HOE MERCHANDISE COMPANY LIMITED | Private company limited by shares | Dissolved |
| KAI AW KOON (METRO) LIMITED | Private company limited by shares | Dissolved |
| KOON MING COMPANY LIMITED | Private company limited by shares | Live |
| KOON WAH MOON KEE COMPANY LIMITED | Private company limited by shares | Live |
| KOON NGAI COMPANY LIMITED | Private company limited by shares | Live |
| KOON WAH PHARMACY LIMITED | Private company limited by shares | Live |
| KOON HIN PHARMACY LIMITED | Private company limited by shares | Live |
| PINE KOON LIMITED | Private company limited by shares | Live |
| PINE KOON INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| KOON PLAN LIMITED | Private company limited by shares | Dissolved |
| WAI KOON PROPERTIES LIMITED | Private company limited by shares | Live |
| KOON ON PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| KOON FAI PUBLICATIONS LIMITED | Private company limited by shares | Dissolved |
| TAI KOON RESTAURANT, LIMITED -THE- | Private company limited by shares | Dissolved |
| SUN KOON RESTAURANT COMPANY LIMITED | Private company limited by shares | Dissolved |
| KAM KOON KUK RESTAURANT LIMITED | Private company limited by shares | Dissolved |
| KOON LIN WAH RESTAURANT LIMITED | Private company limited by shares | Dissolved |
| KOON NAM RESTAURANT LIMITED | Private company limited by shares | Dissolved |
| KOON RICH INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| KOON FAI SHIPPING LIMITED | Private company limited by shares | Dissolved |
| KOON SOON LIMITED | Private company limited by shares | Live |
| KOON FU TEXTILES COMPANY LIMITED | Private company limited by shares | Dissolved |
| KOON AH TEXTILES LIMITED | Private company limited by shares | Dissolved |
| NAM TIN KOON YAM FAT TONG LIMITED | Company limited by guarantee | Dissolved |
| TUNG KOON WONG WING SEE TONG CLANSMEN'S ASSOCIATION LIMITED | Company limited by guarantee | Dissolved |
| KOON MING TONG COMPANY LIMITED | Private company limited by shares | Live |
| KOON WAH TONG RESTAURANT COMPANY LIMITED | Private company limited by shares | Dissolved |
| KOON WING COMPANY LIMITED | Private company limited by shares | Dissolved |
| MAY YUEN SIU KOON COMPANY LIMITED | Private company limited by shares | Dissolved |
| KOON YUEN LIMITED | Private company limited by shares | Dissolved |
| YUEN MIU KOON LIMITED | Private company limited by shares | Live |
| KoonAh Marine (HK) Limited | Private company limited by shares | Live |
| KOONAH INTERNATIONAL (HK) INDUSTRY CO., LIMITED | Private company limited by shares | Live |
| KOONAXY COMPANY LIMITED | Private company limited by shares | Dissolved |
| KOONCELY COMPANY LIMITED | Private company limited by shares | Dissolved |
| KOONDON LIMITED | Private company limited by shares | Dissolved |
| KOONDROOK LIMITED | Private company limited by shares | Live |
| KOONESE COMPANY LIMITED | Private company limited by shares | Live |
| KOONET INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| KOONEX INVESTMENT LIMITED | Private company limited by shares | Live |
| YONG KOONG ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| KOONHOM DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| SHENZHEN KOONHOME TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| KOONHON ELECTRONIC LIMITED | Private company limited by shares | Dissolved |
| KOONING INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| KOONKAI INVESTMENTS LIMITED | Private company limited by shares | Live |
| KOONLIK HOLDINGS LIMITED | Private company limited by shares | Live |
| Koonlin Mindfulness Company Limited | | Live |
| KOONLUN LIMITED | Private company limited by shares | Dissolved |
| KOONLUN INTERNATIONAL (HONG KONG) LIMITED | Private company limited by shares | Live |
| Koonman Limited | Private company limited by shares | Live |
| KOONMING TRADING AND PROJECTS COMPANY LIMITED | Private company limited by shares | Dissolved |
| KOONNIA SHIPPING LIMITED | Private company limited by shares | Live Commenced dormancy on 23-Apr-1996 |
| KOONOEN CO., LIMITED | Private company limited by shares | Live |
| KOONORTH COMPANY LIMITED | Private company limited by shares | Dissolved |