| O.R.C. LIMITED | Private company limited by shares | Dissolved |
| ORCA LIMITED | Private company limited by shares | Live |
| ORCA IO LIMITED | Private company limited by shares | Live |
| Orca4 Ventures Limited | Private company limited by shares | Live |
| ORCADEA LIMITED | Private company limited by shares | Dissolved |
| Orcadia ONE Limited | Private company limited by shares | Live |
| Orcah Limited | | Live |
| ORCAMOBI LIMITED | Private company limited by shares | Live |
| Orcapurs Investment Limited | Private company limited by shares | Live |
| Orcatech Limited | Private company limited by shares | Live |
| ORCAZOOM LIMITED | | Live |
| ORCCO HONG KONG CO. LIMITED | Private company limited by shares | Live |
| Orcelay Co., Limited | | Live |
| Orcfru Limited | Private company limited by shares | Live |
| ORCHADAL ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| ORCHAM CO. LIMITED | Private company limited by shares | Dissolved |
| ORCHANDO COMPANY LIMITED | Private company limited by shares | Dissolved |
| ORCHARD LIMITED | Private company limited by shares | Live |
| RED ORCHARD LIMITED | Private company limited by shares | Live |
| Orchard One Limited | Private company limited by shares | Live |
| MY ORCHARD COMPANY LIMITED | Private company limited by shares | Live |
| Orchard Capital Limited | Private company limited by shares | Live |
| Dragon Orchard Limited | | Live |
| ORCHARD ENTERPRISES, LIMITED -THE- | Private company limited by shares | Live |
| MORGAN ORCHARD LIMITED | | Live |
| ORCHARD SOFTWARE LIMITED | Private company limited by shares | Dissolved |
| SUNRISE ORCHARD LIMITED | Private company limited by shares | Live |
| ORCHARDS LIMITED -THE- | Private company limited by shares | Live |
| ORCHARDS ASIA LIMITED | Private company limited by shares | Live |
| ORCHARDS (HK) LIMITED | Private company limited by shares | Live |
| Orchards Investments Limited | Private company limited by shares | Live |
| Orchardview Hotel & Resorts Management Limited | Private company limited by shares | Live |
| ORCHEDEUS LIMITED | Private company limited by shares | Dissolved |
| ORCHESTRA ASIA LIMITED | Private company limited by shares | Live |
| FRIENDS OF THE CHINA NATIONAL SYMPHONY ORCHESTRA LIMITED | Company limited by guarantee | Dissolved |
| DELIANS' CHINESE ORCHESTRA LIMITED | Company limited by guarantee | Dissolved |
| Dandelion Orchestra Limited | Private company limited by shares | Live |
| Greater Bay Philharmonic Orchestra Limited | Private company limited by shares | Live |
| PRO ARTE ORCHESTRA OF HONG KONG LIMITED | Company limited by guarantee | Live |
| Hong Kong Cosmopolitan Orchestra Limited | Private company limited by shares | Live |
| HONG KONG CHINA SYMPHONY ORCHESTRA LIMITED | Company limited by guarantee | Dissolved |
| CHINESE PHILHARMONIC ORCHESTRA LIMITED | Company limited by guarantee | Live |
| CHINA BUDDHIST SYMPHONY ORCHESTRA COMPANY LIMITED | Private company limited by shares | Live |
| CHINA TAOISM SYMPHONY ORCHESTRA CO., LIMITED | Private company limited by shares | Live |
| HKCO ORCHESTRAL ACADEMY LIMITED | Private company limited by shares | Live Commenced dormancy on 19-Nov-2010 |
| Orchestral Music Limited | Private company limited by shares | Live |
| Orchestral Music Productions Limited | | Live |
| Orchestral Spectrum Limited | Private company limited by shares | Live |
| Orchestrall Healthcare Limited | Private company limited by shares | Live |
| Orchestran Company Limited | Private company limited by shares | Live |
| Orchestran Company Limited | Private company limited by shares | Live |
| Orchestre De Joie Limited | Private company limited by shares | Live |
| Orcheztra Limited | | Live |
| SHM ORCHID LIMITED | Private company limited by shares | Dissolved |
| RED ORCHID LIMITED | Private company limited by shares | Live |
| ORCHID WAY LIMITED | Private company limited by shares | Dissolved |
| ORCHID ART COMPANY LIMITED | Private company limited by shares | Dissolved |
| ORCHID LIMITED | Private company limited by shares | Dissolved |
| Orchid Company Limited | Private company limited by shares | Dissolved |
| ORCHID ART LIMITED | Private company limited by shares | Live |
| Orchid Limited | Private company limited by shares | Live |
| CM Orchid Limited | Private company limited by shares | Live |
| Day Old Orchid Limited | Private company limited by shares | Live |
| ORCHID NEW LIMITED | Private company limited by shares | Live |
| CHARMING ORCHID LIMITED | Private company limited by shares | Live |
| ITALIANO ORCHID CO., LIMITED | Private company limited by shares | Live |
| EASTERN ORCHID LIMITED | Private company limited by shares | Live |
| NICE GARDEN ORCHID COMPANY LIMITED | Private company limited by shares | Live |
| Imperial Orchid Limited | Private company limited by shares | Live |
| EASTERN ORCHID INVESTMENTS LIMITED | Private company limited by shares | Live |
| MOON ORCHID COMPANY LIMITED | Private company limited by shares | Live |
| Paradise Orchid Pty Limited | Private company limited by shares | Live Commenced dormancy on 23-Feb-2016 |
| Ocean Orchid Shipping Limited | Private company limited by shares | Live |
| ORCHIDEA FINDINGS LIMITED | Private company limited by shares | Dissolved |
| Orchidea Holding Limited | | Live |
| TIGGER ORCHIDEA MONTAIGNE LIMITED | Private company limited by shares | Dissolved |
| ORCHIDEE LIMITED | Private company limited by shares | Dissolved |
| Orchidee Limited | | Live |
| FRANCE ORCHIDEE GARANCE HOME TEXTILES HOLDING LIMITED | Private company limited by shares | Live |
| ORCHIDFIELD INVESTMENT LIMITED | Private company limited by shares | Live Commenced dormancy on 22-Jan-2003 |
| ORCHIDILION TECHNOLOGY LIMITED | | Live |
| ORCHIDLAND LIMITED | Private company limited by shares | Dissolved |
| ORCHIDLAND LIMITED | Private company limited by shares | Dissolved |
| Orchidland Limited | Private company limited by shares | Live |
| Orchidland Group Limited | | Live |
| ORCHIDPETS CO., LIMITED | Private company limited by shares | Live |
| Orchidpets (HK) Trading Co., Limited | Private company limited by shares | Live Commenced dormancy on 06-Jun-2018 |
| SEN KA ORCHIDS LIMITED | Private company limited by shares | Dissolved |
| ORCHIDS HK LIMITED | Private company limited by shares | Live |
| YUK ORCHIDS LIMITED | Private company limited by shares | Live |
| Orchids Company Limited -The- | Private company limited by shares | Live |
| ORCHID-SKY TRADING CO., LIMITED | Private company limited by shares | Live |
| ORCHIDVILLA COMPANY LIMITED | Private company limited by shares | Dissolved |
| ORCHILD COMPANY LIMITED | Private company limited by shares | Dissolved |
| ORCHIS TECHNOLOGY HK CO., LIMITED | Private company limited by shares | Live |
| ORCHIS CORPORATE LIMITED | Private company limited by shares | Dissolved |
| ITALY ORCHIS GRASS HOUSEHOLD (INTERNATIONAL) LIMITED | Private company limited by shares | Live |
| ORCHIS TRADE HK LIMITED | Private company limited by shares | Live |
| ORCHIS TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| ORCHITA ENTERPRISES COMPANY LIMITED | Private company limited by shares | Dissolved |