| NEW CONCEPT JEWELRY COMPANY LIMITED | Private company limited by shares | Live |
| Sky Concept Jewelry Limited | Private company limited by shares | Live |
| Jim's Concept Limited | Private company limited by shares | Live |
| Jimsuksuk Concept Limited | Private company limited by shares | Live |
| JOEYS CONCEPT LIMITED | Private company limited by shares | Live |
| JOIN CONCEPT LIMITED | Private company limited by shares | Dissolved |
| JOIN CONCEPT LIMITED | Private company limited by shares | Dissolved |
| JOIN CONCEPT LIMITED | Private company limited by shares | Dissolved |
| JOIN CONCEPT LIMITED | Private company limited by shares | Live |
| JOIN CONCEPT LIMITED | | Live |
| Jolies Concept Limited | Private company limited by shares | Live |
| JOLLY CONCEPT LIMITED | Private company limited by shares | Live |
| Jo's Concept Limited | Private company limited by shares | Live |
| Journeys Concept Company Limited | Private company limited by shares | Dissolved |
| JOYFUL CONCEPT LIMITED | Private company limited by shares | Live |
| JOYFUL CONCEPT LIMITED | Private company limited by shares | Live |
| JOYFUL CONCEPT INVESTMENT LIMITED | | Live |
| JOYOUS CONCEPT LIMITED | Private company limited by shares | Live |
| Kaiser Concept (Holding) Limited | Private company limited by shares | Live |
| KAMCHA FRANCHISING CONCEPT LIMITED | Private company limited by shares | Live |
| KAMEN CONCEPT LIMITED | Private company limited by shares | Live |
| KAPS CONCEPT LIMITED | Private company limited by shares | Dissolved |
| Keepyouth Concept Limited | | Live |
| KELVIN GLOBAL CONCEPT LIMITED | Private company limited by shares | Dissolved |
| KENSY CONCEPT LIMITED | Private company limited by shares | Live |
| Kepler Concept Limited | Private company limited by shares | Live |
| KEVIN CONCEPT II LIMITED | Private company limited by shares | Live |
| KEVIN CONCEPT I LIMITED | Private company limited by shares | Live |
| KIDS' CONCEPT HK LIMITED | Private company limited by shares | Dissolved |
| KIMBERLEY SPA CONCEPT LIMITED | Private company limited by shares | Dissolved |
| Flying King Dining Concept Limited | Private company limited by shares | Live |
| KINGLAND CONCEPT LIMITED | Private company limited by shares | Live |
| KINGSTON CONCEPT LIMITED | Private company limited by shares | Dissolved |
| KING-YIU CONCEPT (OA) CO., LIMITED | Private company limited by shares | Live |
| ELITE BATH AND KITCHEN CONCEPT LIMITED | Private company limited by shares | Live |
| KNIT CONCEPT COMPANY LIMITED | Private company limited by shares | Dissolved |
| IB Concept Knitting Factory Limited | Private company limited by shares | Live |
| Koji Concept Limited | Private company limited by shares | Live |
| K.T. CONCEPT LIMITED | Private company limited by shares | Live |
| Lady Concept Company Limited | Private company limited by shares | Live |
| LAND CONCEPT LIMITED | Private company limited by shares | Live |
| LAND CONCEPT INVESTMENT LIMITED | Private company limited by shares | Live |
| LANGE SPA CONCEPT LIMITED | Private company limited by shares | Live |
| LEAD CONCEPT LIMITED | Private company limited by shares | Dissolved |
| LEAD CONCEPT LIMITED | Private company limited by shares | Live |
| LEADER CONCEPT LIMITED | Private company limited by shares | Dissolved |
| LEADER CONCEPT LIMITED | Private company limited by shares | Live |
| LEADER CONCEPT INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| LEADER CONCEPT INVESTMENT LIMITED | Private company limited by shares | Live |
| LEADER CONCEPT INVESTMENT LIMITED | | Live |
| LEADER CONCEPT PROPERTIES LIMITED | Private company limited by shares | Live |
| LEAF'S CONCEPT LIMITED | Private company limited by shares | Dissolved |
| CONCEPT LEGEND LIMITED | Private company limited by shares | Dissolved |
| LEGEND CONCEPT LIMITED | Private company limited by shares | Dissolved |
| CONCEPT LEGEND LIMITED | Private company limited by shares | Live |
| LEMON CONCEPT LIMITED | Private company limited by shares | Live |
| Lemon Tea Concept Holding Limited | | Live |
| Library Concept Co. Limited -The- | Private company limited by shares | Live |
| Beauty Concept Library Limited | Private company limited by shares | Live |
| LIFE BASICS CONCEPT LIMITED | Private company limited by shares | Live |
| Concept Lifestyle Limited | Private company limited by shares | Live |
| LIGA CONCEPT LIMITED | Private company limited by shares | Live |
| NEW CONCEPT LIGHTING LIMITED | Private company limited by shares | Live |
| CYBER CONCEPT LIGHTING LIMITED | Private company limited by shares | Dissolved |
| Free Concept Lighting Limited | Private company limited by shares | Live |
| Limitless Luxury Concept Limited | Private company limited by shares | Live |
| LINC CONCEPT LIMITED | Private company limited by shares | Live |
| LINK CONCEPT LIMITED | Private company limited by shares | Dissolved |
| MAO & LINK CONCEPT LIMITED | Private company limited by shares | Dissolved |
| LINK CONCEPT LIMITED | Private company limited by shares | Live |
| CONCEPT LINK LIMITED | Private company limited by shares | Live |
| 2S CONCEPT LINK LIMITED | Private company limited by shares | Live |
| LINK Concept PR Limited | Private company limited by shares | Live |
| LINK CONCEPT (ASIA) LIMITED | Private company limited by shares | Live |
| ASIA LINK CONCEPT LIMITED | Private company limited by shares | Dissolved |
| ASIAN LINK CONCEPT LIMITED | Private company limited by shares | Live |
| LINK CONCEPT ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| LINK CONCEPT INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| CONCEPT LINK PRODUCTIONS LIMITED | Private company limited by shares | Dissolved |
| LINKAGE CONCEPT LIMITED | | Live |
| LOFT CONCEPT LIMITED | Private company limited by shares | Dissolved |
| LOFTY CONCEPT COMPANY LIMITED | Private company limited by shares | Live |
| GOOD CONCEPT LOGISTICS LIMITED | Private company limited by shares | Live |
| LONG CONCEPT LIMITED | Private company limited by shares | Dissolved |
| LONG CONCEPT LIMITED | Private company limited by shares | Dissolved |
| LONG CONCEPT LIMITED | Private company limited by shares | Live |
| LUCK CONCEPT LIMITED | Private company limited by shares | Dissolved |
| LUCK CONCEPT LIMITED | Private company limited by shares | Live |
| LUCK CONCEPT LIMITED | Private company limited by shares | Live |
| LUCKY CONCEPT LIMITED | Private company limited by shares | Dissolved |
| LUCKY CONCEPT LIMITED | Private company limited by shares | Live |
| LUCKY CONCEPT ASIA LIMITED | Private company limited by shares | Live |
| LUCKY CONCEPT ASIA INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| LUCKY CONCEPT ASIA INVESTMENT LIMITED | Private company limited by shares | Live |
| LUCKY CONCEPT INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| LUCKY CONCEPT INVESTMENT LIMITED | Private company limited by shares | Live |
| LUCKY CONCEPT INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| Lustrous Concept Limited | Private company limited by shares | Live |
| LUXURY CONCEPT LIMITED | Private company limited by shares | Live |
| LUXURY VISION CONCEPT (ASIA) LIMITED | Private company limited by shares | Live |