| MBCV OVERSEAS LIMITED | Private company limited by shares | Dissolved |
| OVERSEAS MERCANTILE COMPANY LIMITED | Private company limited by shares | Dissolved |
| PAN ASIA OVERSEAS MERCHANDISING COMPANY LIMITED | Private company limited by shares | Dissolved |
| OVERSEAS MERCHANTS ASSOCIATION LIMITED | Company limited by guarantee | Live |
| CHINESE OVERSEAS MERCHANTS COMPANY LIMITED | Private company limited by shares | Dissolved |
| Meridian Overseas Limited | Private company limited by shares | Live |
| METACOM OVERSEAS LIMITED | Private company limited by shares | Live |
| OVERSEAS METAL & SCRAP COMPANY LIMITED | Private company limited by shares | Dissolved |
| OVERSEAS METALLURGICAL INDUSTRY CO., LIMITED | Private company limited by shares | Live |
| 168 METAVERSE (OVERSEAS) LIMITED | | Live |
| METRO OVERSEAS LIMITED | Private company limited by shares | Live |
| METROPEARL OVERSEAS LIMITED | Private company limited by shares | Live |
| Micronic Overseas Limited | Private company limited by shares | Live |
| MIKUNIYA OVERSEAS CO. LIMITED | Private company limited by shares | Dissolved |
| MILESTONE OVERSEAS LIMITED | Private company limited by shares | Live |
| MILKY WAY (OVERSEAS) LIMITED | Private company limited by shares | Dissolved |
| MILLION OVERSEAS LIMITED | Private company limited by shares | Dissolved |
| MILLION OVERSEAS LIMITED | Private company limited by shares | Dissolved |
| PACIFIC MINERALS OVERSEAS LIMITED | Private company limited by shares | Live |
| MING DU OVERSEAS LIMITED | Private company limited by shares | Dissolved |
| MING TAI OVERSEAS LIMITED | Private company limited by shares | Dissolved |
| MING TAI OVERSEAS LIMITED | Private company limited by shares | Live |
| Mingde Overseas Study Service Limited | | Live |
| OVERSEAS MINING APPARATUS COMPANY LIMITED | Private company limited by shares | Dissolved |
| MINTAI OVERSEAS HOLDING LIMITED | Private company limited by shares | Dissolved |
| Miracle Overseas Limited | Private company limited by shares | Live |
| OVERSEAS MODE LIMITED | Private company limited by shares | Dissolved |
| MODERN OVERSEAS LIMITED | Private company limited by shares | Dissolved |
| MODERN OVERSEAS CHINESE GROUP LIMITED | Private company limited by shares | Dissolved |
| MODERN OVERSEAS CHINESE GROUP LIMITED | Private company limited by shares | Dissolved |
| Modern Overseas Studies Service Limited | Private company limited by shares | Live |
| Mondalon Overseas Limited | Private company limited by shares | Dissolved |
| MOONRISE OVERSEAS ( TAIWAN ) LIMITED | Private company limited by shares | Dissolved |
| MOONRISE OVERSEAS (TAIWAN) LIMITED | Private company limited by shares | Live |
| HK Morgan Overseas Limited | Private company limited by shares | Live |
| MOTIVACT OVERSEAS INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| CNT MOTORS (OVERSEAS) LIMITED | Private company limited by shares | Dissolved |
| OVERSEAS ELECTRIC APPLIANCES AND MOTORS LIMITED | Private company limited by shares | Dissolved |
| Mounttop Overseas HK Limited | Private company limited by shares | Live |
| MUBALI OVERSEAS LIMITED | | Live |
| ASIAN MUTUAL (OVERSEAS) LIMITED | Private company limited by shares | Dissolved |
| SETAMI NAGASAKA (OVERSEAS) LIMITED | Private company limited by shares | Dissolved |
| NANYANG OVERSEAS TOURISM LIMITED | Private company limited by shares | Live |
| OVERSEAS NATIONAL BANK, LIMITED | Private company limited by shares | Dissolved |
| NATURE OVERSEAS LIMITED | Private company limited by shares | Dissolved |
| NCRS OVERSEAS PVT. LIMITED | Private company limited by shares | Live |
| NEPTUNE OVERSEAS LIMITED | Private company limited by shares | Dissolved |
| Neptune Overseas HK Limited | | Live |
| OVERSEAS NETWORK (ASIA) LIMITED | Private company limited by shares | Dissolved |
| OVERSEAS STUDENT NETWORKING (UK) LIMITED | Private company limited by shares | Live |
| NEWMAR OVERSEAS LIMITED | Private company limited by shares | Live |
| OVERSEAS NEWSPAPERS LIMITED | Private company limited by shares | Dissolved |
| Newtimes Overseas Limited | Private company limited by shares | Live |
| N.F. OVERSEAS LIMITED | Private company limited by shares | Dissolved |
| OVERSEAS NICE LIMITED | Private company limited by shares | Live |
| OVERSEAS NICE HK LIMITED | Private company limited by shares | Live |
| NIKKEN OVERSEAS COMPANY LIMITED | Private company limited by shares | Live |
| CLOUD NINE OVERSEAS LIMITED | Private company limited by shares | Live |
| NINETY PLUS OVERSEAS WINE LIMITED | Private company limited by shares | Live |
| Nopurs Overseas Consult Limited | Private company limited by shares | Live |
| NOTION OVERSEAS LIMITED | Private company limited by shares | Live |
| Nutec Overseas Limited | Private company limited by shares | Live |
| OCEAN OVERSEAS LIMITED | Private company limited by shares | Live |
| CHINA OVERSEAS GRAND OCEANS INVESTMENTS LIMITED | Private company limited by shares | Live |
| OKAN Overseas Limited | Private company limited by shares | Live |
| S. OLIVER OVERSEAS LIMITED | Private company limited by shares | Live |
| OLLINQUE OVERSEAS INVESTMENTS LIMITED | Private company limited by shares | Live |
| OMEGA EXIM (OVERSEAS) LIMITED | Private company limited by shares | Live |
| Onward Overseas Education Consulting Service Limited | | Live |
| SOE OVERSEAS OPERATION CENTER LIMITED | Private company limited by shares | Dissolved |
| Sunny Optical Overseas Limited | Private company limited by shares | Live |
| ORCHID OVERSEAS LIMITED | Private company limited by shares | Live |
| OVERSEAS ORGANISE LIMITED | Private company limited by shares | Dissolved |
| ORIENT AND OVERSEAS COMPANY, LIMITED | Private company limited by shares | Dissolved |
| Orient Overseas Limited | Private company limited by shares | Live |
| ORIENT OVERSEAS INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| ORIENT OVERSEAS METALS LIMITED | Private company limited by shares | Dissolved |
| ORIENTAL OVERSEAS LIMITED | Private company limited by shares | Dissolved |
| ORIENTAL OVERSEAS LIMITED | Private company limited by shares | Live |
| ORIENTAL OVERSEAS ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| ORIENTAL OVERSEAS INDUSTRY AND TRADE LIMITED | Private company limited by shares | Live |
| ORIENTAL OVERSEAS INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| ORIENTAL OVERSEAS INVESTMENTS COMPANY LIMITED | Private company limited by shares | Dissolved |
| OVERSEAS TELEVISION ORIENTAL LIMITED | Private company limited by shares | Dissolved |
| Oteng Overseas Limited | | Live |
| OUJI OVERSEAS EDUCATION LIMITED | Private company limited by shares | Live |
| OUZHONG OVERSEAS CONSULTING CO., LIMITED | Private company limited by shares | Live |
| PACIFIC OVERSEAS WIG LIMITED | Private company limited by shares | Dissolved |
| PACIFIC OVERSEAS LIMITED | Private company limited by shares | Live |
| ASIA PACIFIC OVERSEAS LIMITED | Private company limited by shares | Dissolved |
| OVERSEAS ASIA PACIFIC LIMITED | Private company limited by shares | Dissolved |
| OVERSEAS ASIA PACIFIC LIMITED | Private company limited by shares | Live |
| OVERSEAS ASIA PACIFIC INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| OVERSEAS ASIA PACIFIC INVESTMENTS LIMITED | Private company limited by shares | Live |
| TRADE PACIFIC OVERSEAS LIMITED | Private company limited by shares | Dissolved |
| CHINESE PAINTING PUBLISHING (OVERSEAS) LIMITED | Private company limited by shares | Dissolved |
| OVERSEAS PALACE COMPANY LIMITED | Private company limited by shares | Dissolved |
| PALUN GROUP (OVERSEAS) LIMITED | Private company limited by shares | Dissolved |
| PAN-WIN OVERSEAS INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| OVERSEAS PAPER ASSOCIATES LIMITED | Private company limited by shares | Dissolved |