| MCLEAN'S DRY CLEAN COMPANY LIMITED | Private company limited by shares | Live |
| MCLEAN'S CLEANING (HONG KONG) COMPANY LIMITED | Private company limited by shares | Dissolved |
| MCLELLAN HILL HK LIMITED | Private company limited by shares | Live |
| McLelland Limited | Private company limited by shares | Live |
| J&H MARSH & MCLENNAN LIMITED | Private company limited by shares | Live |
| MARSH & MCLENNAN LIMITED | Private company limited by shares | Dissolved |
| MARSH & MCLENNAN AGENCIES LIMITED | Private company limited by shares | Live |
| MCLEOD VERNON TRADING LIMITED | Private company limited by shares | Dissolved |
| MCLINIC LIMITED | | Live |
| MCLINTOCK WONG INTERIORS LIMITED | Private company limited by shares | Live |
| M.C.LIU BUYING SERVICE CORP. LIMITED | Private company limited by shares | Live |
| McLoch Limited | Private company limited by shares | Live |
| M.CLOUD LIMITED | Private company limited by shares | Live |
| MCLOUDWARE TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| MCLOVIN ENTERPRISES LIMITED | Private company limited by shares | Live |
| M-Club Employment Agency Limited | Private company limited by shares | Live |
| M.Club Global Limited | | Live |
| MCLWH Co. Limited | | Live |
| MCLYN INC. LIMITED | Private company limited by shares | Live |
| MCM1 LIMITED | | Live |
| MCM2 LIMITED | | Live |
| MCM3 LIMITED | | Live |
| MCM4 LIMITED | | Live |
| MCM5 LIMITED | | Live |
| O. McMacy Limited | Private company limited by shares | Live |
| MCMARMOCER CERAMICS LIMITED | Private company limited by shares | Live |
| McMason Limited | Private company limited by shares | Live |
| MCMASTER-CARR SUPPLY COMPANY (SEA) LIMITED | Private company limited by shares | Dissolved |
| RA MCMATH TRADING LIMITED | Private company limited by shares | Live |
| MCMBS 1 LIMITED | | Live |
| MCMBS 2 LIMITED | | Live |
| MCMBS 4 LIMITED | | Live |
| MCMBS 3 LIMITED | | Live |
| MCMBS 5 LIMITED | | Live |
| MCMBS 6 LIMITED | | Live |
| MCMC Asia Limited | Private company limited by shares | Live |
| MCME LIMITED | Private company limited by shares | Live |
| McMercy Limited | Private company limited by shares | Live |
| MCMERHONS INTERNATIONALE LIMITED | Private company limited by shares | Live |
| MCMILLAN & QIN LIMITED | Private company limited by shares | Live |
| ELMER BURNS MCMILLAN CONSULTING LIMITED | Private company limited by shares | Live |
| MCMILLION TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| ITALY M.C.MING INT'L GROUP LIMITED | Private company limited by shares | Live |
| MCMN LIMITED | | Live |
| MCMO Consultants Limited | Private company limited by shares | Live |
| Success McMoore Pte Limited | | Live |
| MCMS LIMITED | Private company limited by shares | Live |
| MCMT LIMITED | | Live |
| MCMULLEN LIMITED | Private company limited by shares | Dissolved |
| MCMULLEN LIMITED | Private company limited by shares | Dissolved |
| MCMV Culture and Art Limited | | Live |
| MCNAB ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| Mcnail Limited | Private company limited by shares | Live |
| MCNAIR TECHNOLOGY CO., LIMITED | Private company limited by shares | Dissolved |
| MCNAIR POWER TECHNOLOGY CO., LIMITED | Private company limited by shares | Dissolved |
| Colt Mackenzie McNair (Asia) Limited | Private company limited by shares | Live |
| MCNAIR NEW POWER (HK) CO., LIMITED | Private company limited by shares | Live |
| McNair Hong Kong Limited | Private company limited by shares | Live |
| MCNAIR ROAD INT'L LOGISTICS CO., LIMITED | Private company limited by shares | Live |
| HONG KONG MCNAIR SOURCE TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Ellen McNally Limited | Private company limited by shares | Dissolved |
| McNamara Art Projects Limited | Private company limited by shares | Live |
| MCN-ASIA LIMITED | Private company limited by shares | Live |
| MCNEARY AND COMPANY, LIMITED | Private company limited by shares | Dissolved |
| Mcneeson Petroleum Technology Limited | | Live |
| WM. MCNEIL LIMITED | Private company limited by shares | Dissolved |
| McNeil APAC Limited | Private company limited by shares | Live |
| McNeon Limited | Private company limited by shares | Live |
| MCNET COMPUTER (H.K.) LIMITED | Private company limited by shares | Dissolved |
| M.C.NG & COMPANY LIMITED | Private company limited by shares | Dissolved |
| MCNING HONGKONG LIMITED | | Live |
| Mcnpixel Limited | Private company limited by shares | Live |
| MCNR SY III Limited | Private company limited by shares | Live |
| MCNUGGETT LEISURE TIME LIMITED | Private company limited by shares | Dissolved |
| MCNZ FABRICATIONS LIMITED | Private company limited by shares | Dissolved |
| MCODY HK ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| MCOLOR HOLDING LIMITED | Private company limited by shares | Dissolved |
| M-COLORS TRADING LIMITED | Private company limited by shares | Live |
| Mcolossal International Trading Limited | Private company limited by shares | Live |
| XIAMEN M-COM IMP&EXP CO., LIMITED | Private company limited by shares | Live |
| M-COM Digital Limited | Private company limited by shares | Live |
| M-COM INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| MCOM INTERNATIONAL LIMITED | Private company limited by shares | Live |
| MCOM MESSAGING LIMITED | Private company limited by shares | Dissolved |
| mCommerce Limited | Private company limited by shares | Live |
| MCOMMERCE ONLINE LIMITED | Private company limited by shares | Live |
| MCON HK LIMITED | Private company limited by shares | Live |
| Mconnect Limited | Private company limited by shares | Live |
| MCONVERGE.COM (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| M-COOPERATION ASIA LIMITED | Private company limited by shares | Live |
| MCORE (HONG KONG) LIMITED | Private company limited by shares | Live |
| MCORIST CONSULTING COMPANY LIMITED | Private company limited by shares | Live |
| MCORP LIMITED | | Live |
| MCOT LIMITED | Private company limited by shares | Live |
| MCOTI TECHNOLOGY LIMITED | Private company limited by shares | Live |
| MCoy Built Asset Solutions Limited | Private company limited by shares | Live |
| Shenzhen Kangxin Mcpcb Co., Limited | Private company limited by shares | Live |
| McPee Trading Limited | | Live |
| McPet Limited | Private company limited by shares | Live |
| McPHAR GEOSERVICES LIMITED | Private company limited by shares | Live |