| HELAN MOUNTAIN TRADING LIMITED | Private company limited by shares | Live |
| MOUNTAIN HIGHLAND LIMITED | Private company limited by shares | Live |
| Mountain Hiking Corporation Limited | | Live |
| MOUNTAIN WAY (HK) LIMITED | Private company limited by shares | Live |
| LING JIOU MOUNTAIN (H.K.) BUDDHIST SOCIETY LIMITED | Company limited by guarantee | Live |
| MOUNTAIN HEART (HK) LIMITED | Private company limited by shares | Live |
| MOUNTAIN INTERNATIONAL HOLDING (H.K.) LIMITED | Private company limited by shares | Dissolved |
| Wealthy Mountain Holding (HK) Limited | | Live |
| MOUNTAIN HOLDING LIMITED | Private company limited by shares | Live |
| Wealthy Mountain Holding Limited | | Live |
| Able Mountain Hong Kong Limited | Private company limited by shares | Live |
| Hong Kong Mountain Academy Limited | Private company limited by shares | Live |
| HONG KONG MOUNTAIN BIKE ASSOCIATION LIMITED | Private company limited by shares | Dissolved |
| DOWN MOUNTAIN BRILLIANT INVESTMENT (HONG KONG) LIMITED | Private company limited by shares | Live |
| China Wuyi Mountain (Hong Kong) Limited | Private company limited by shares | Live |
| MOUNTAIN AND CLOUD HONG KONG CO., LIMITED | | Live |
| MOUNTAIN (HONG KONG) ECOLOGICAL FOOD CO., LIMITED | | Live |
| Hong Kong Hold Mountain Enterprise Co., Limited | | Live |
| Hong Kong Mountain View Silicon Technology Co., Limited | Private company limited by shares | Live |
| Hong Kong Mountain View Technology Co., Limited | Private company limited by shares | Dissolved |
| Hong Kong Early Spring Mountain International Investment Consulting Co., Limited | | Live |
| HONG KONG VENERATING MOUNTAIN TECHNOLOGY HOLDING CO., LIMITED | | Live |
| ZONE MOUNTAIN (HONG KONG) TRADING CO., LIMITED | Private company limited by shares | Live |
| Hong Kong Mountain Coffee Limited | | Live |
| Mountain Creek Insurance Innovative Solutions (Hong Kong) Limited | Private company limited by shares | Live |
| GOLD MOUNTAIN (HONG KONG) INVESTMENT CONSULTING LIMITED | Private company limited by shares | Live |
| Green Mountain Hong Kong, Limited | Private company limited by shares | Live |
| South Mountain Pioneer Club (Hong Kong) Group Limited | | Live |
| CENTENNIAL MOUNTAIN HONG KONG INTERNATIONAL GROUP CO., LIMITED | | Live |
| HONG KONG MOGAN MOUNTAIN PLATES GROUP CO., LIMITED | Private company limited by shares | Live |
| FRANCE GOLD MOUNTAIN CROLODILE (HONG KONG) INTERNATIONAL GROUP COMPANY LIMITED | Private company limited by shares | Dissolved |
| HIGHEST MOUNTAIN (HONG KONG) CO., LIMITED | Private company limited by shares | Live |
| Hong Kong Mountain & Ocean Industrial Co., Limited | Private company limited by shares | Live |
| Iron Mountain Hong Kong Limited | Private company limited by shares | Live |
| HONG KONG MOUNTAIN LIMITED | Private company limited by shares | Dissolved |
| DE MOUNTAIN (HONG KONG) LIMITED | Private company limited by shares | Live |
| TOP MOUNTAIN (HONG KONG) LIMITED | Private company limited by shares | Live |
| Sky Mountain Capital (Hong Kong) Limited | Private company limited by shares | Live |
| Mountain International (Hong Kong) Co., Limited | Private company limited by shares | Live |
| DRAGON MOUNTAIN (HONG KONG) LIMITED | Private company limited by shares | Live Commenced dormancy on 11-Jun-2015 |
| Grand Mountain Hong Kong Limited | Private company limited by shares | Live |
| Green Mountain International (Hong Kong) Limited | | Live |
| HONG KONG MOUNTAIN RED RIVER INTERNATIONAL INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| OCEAN MOUNTAIN (HONG KONG) LIMITED | Private company limited by shares | Live |
| Hong Kong East Mountain Asset Management Co., Limited | Private company limited by shares | Live |
| TOP MOUNTAIN (HONG KONG) INVESTMENT MANAGEMENT CO., LIMITED | Private company limited by shares | Live |
| MOUNTAIN CREEK INVESTMENT MANAGEMENT (HONG KONG) LIMITED | Private company limited by shares | Live |
| Mountain View Research Institute of Asset and Wealth Management (Hong Kong) Limited | Private company limited by shares | Live |
| Mountain Sea Minerals Hong Kong Limited | Private company limited by shares | Live |
| HONG KONG MOUNTAIN TOP NETWORK LIMITED | Private company limited by shares | Live |
| Hong Kong Crazy Mountain Outdoor Sports Company Limited | Private company limited by shares | Live |
| PACIFIC MOUNTAIN HONG KONG LIMITED | Private company limited by shares | Dissolved |
| MOUNTAIN PEAKS (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| Hong Kong Phoenix Mountain Investment Holdings Limited | Private company limited by shares | Live |
| LYFE Capital Mountain Review (Hong Kong) Limited | Private company limited by shares | Live |
| RICH MOUNTAIN (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| ROCKY MOUNTAIN (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| HONG KONG FREE TRAVEL MOUNTAIN ROOM LIMITED | Private company limited by shares | Live |
| Snow Mountain Hong Kong Limited | Private company limited by shares | Live |
| HONG KONG SONG BAI LU MOUNTAIN MIST TEA INDUSTRY LIMITED | Private company limited by shares | Dissolved |
| Monadnock Mountain Spring Water (Hong Kong) Limited | Private company limited by shares | Dissolved |
| Hong Kong Mountain Top Trading Co., Limited | | Live |
| MOUNTAIN A-LI (HONGKONG) LIMITED | Private company limited by shares | Dissolved |
| PORT OF THE SHIHE RIVER HIGH MOUNTAIN TEA (HONGKONG) CO. LIMITED -THE- | Private company limited by shares | Live |
| RENFUL MOON MOUNTAIN HOTEL INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| SWISS-CHALET MOUNTAIN HOTEL HOLDING LIMITED | Private company limited by shares | Dissolved |
| HUGO MOUNTAIN LIMITED | Private company limited by shares | Live |
| HUNDRED MOUNTAIN 177 INTERNATIONAL TRANSPORTATION COMPANY LIMITED | Private company limited by shares | Dissolved |
| IDEAL MOUNTAIN LIMITED | | Live |
| IMPRESSIVE MOUNTAIN INTERNATIONAL LIMITED | Private company limited by shares | Live |
| MOUNTAIN TOPS INTERNATIONAL INC. LIMITED | Private company limited by shares | Live |
| Mountain Indosat Company Limited | Private company limited by shares | Live |
| MOUNTAIN INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| SKY MOUNTAIN INDUSTRIAL LIMITED | Private company limited by shares | Live |
| CHINA MOUNTAIN INDUSTRIAL LIMITED | Private company limited by shares | Live |
| Xiqiao Mountain Industrial Co., Limited | Private company limited by shares | Live |
| DRAGON MOUNTAIN INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| GREEN MOUNTAIN INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| OCEAN MOUNTAIN INDUSTRIAL LIMITED | Private company limited by shares | Live |
| RICH MOUNTAIN (HK) INDUSTRIAL LIMITED | Private company limited by shares | Live |
| ROCKET MOUNTAIN INDUSTRIAL COMPANY, LIMITED | Private company limited by shares | Dissolved |
| Gold Silver Mountain Industrial Limited | Private company limited by shares | Live |
| SNOW MOUNTAIN INDUSTRIAL LIMITED | Private company limited by shares | Live |
| UNIFY MOUNTAIN INDUSTRIAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| Cedar Mountain Industry Limited | | Live |
| FULL MOUNTAIN ALLIED INDUSTRY LIMITED | Private company limited by shares | Dissolved |
| GREEN MOUNTAIN INDUSTRY COMPANY LIMITED | Private company limited by shares | Dissolved |
| MOUNTAIN TITANIUM INDUSTRY HONGKONG LIMITED | Private company limited by shares | Live |
| HK LAND MOUNTAIN INDUSTRY LIMITED | Private company limited by shares | Live |
| LOFTY MOUNTAIN INDUSTRY LIMITED | | Live |
| YING MOUNTAIN RED PHARMACEUTICAL INDUSTRY LIMITED | Private company limited by shares | Live |
| MOUNTAIN DIGITAL INFORMATION LIMITED | Private company limited by shares | Dissolved |
| GOLD INGOT MOUNTAIN LIMITED | Private company limited by shares | Live |
| INTELLIGENT MOUNTAIN LIMITED | Private company limited by shares | Live |
| MOUNTAIN INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| TOP MOUNTAIN INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SKY MOUNTAIN INTERNATIONAL LIMITED | Private company limited by shares | Live Commenced dormancy on 04-Jun-2015 |
| MOUNTAIN INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| Mountain Sky International Limited | Private company limited by shares | Live |
| MOUNTAIN SEA INTERNATIONAL LIMITED | Private company limited by shares | Live |