| Quixhop Technologies Limited | Private company limited by shares | Dissolved |
| QUOMMNI TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| QUOTA TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| ASIA RACING TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| HKJ Sports and Racing Technologies Limited | Private company limited by shares | Live |
| All Asia Radio Technologies Limited | Private company limited by shares | Live |
| ADVANCED RADIO TECHNOLOGIES HONG KONG LIMITED | Private company limited by shares | Dissolved |
| LEADER RADIO TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| Radius Technologies Limited | Private company limited by shares | Dissolved |
| RADIUS TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| RADIX TECHNOLOGIES CO., LIMITED | Private company limited by shares | Live |
| RAIDIAN TECHNOLOGIES COMPANY LIMITED | | Live |
| RAIL TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| RUDOLF HEIGHTS RAILROAD ENGINEERING AND TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| RAISON TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| Rakon Technologies Limited | Private company limited by shares | Live |
| RAMBANK TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| RAMBO TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| Ramen Technologies Limited | Private company limited by shares | Live |
| RANCENT TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| RANCHO TRADING TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| Raphai Health Technologies Limited | | Live |
| RAPID TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| X Rapid Technologies Limited | Private company limited by shares | Live |
| RAPID MFG TECHNOLOGIES LIMITED | | Live |
| HONGYI JIG RAPID TECHNOLOGIES CO., LIMITED | Private company limited by shares | Live |
| HORD RAPID MFG TECHNOLOGIES LIMITED | | Live |
| DIGITAL RAPIDS TECHNOLOGIES ASIA LIMITED | Private company limited by shares | Dissolved |
| RARE TECHNOLOGIES INC LIMITED | Private company limited by shares | Live |
| RASPBERRY S TECHNOLOGIES CO., LIMITED | Private company limited by shares | Live |
| Tri Ratna Technologies Limited | | Live |
| RAYBEL TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| RAYCO TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| RAYDON TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| Raytone Technologies Limited | Private company limited by shares | Live |
| Readymix Technologies Limited | Private company limited by shares | Live |
| Realbond Technologies Co. Limited | Private company limited by shares | Dissolved |
| New Reality Technologies Limited | Private company limited by shares | Live |
| REALM TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| Reap Technologies Limited | Private company limited by shares | Live |
| Reap Technologies Holding Co. Limited | Private company limited by shares | Live |
| ReaSnow Technologies Limited | Private company limited by shares | Live |
| Reax Technologies Limited | Private company limited by shares | Dissolved |
| RECCE TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| RectangleIT Technologies Limited | Private company limited by shares | Live |
| INNOVATION RESOURCE RECYCLING TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| REDBACK TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| REDDINGTON TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| RedForce Technologies Limited | Private company limited by shares | Dissolved |
| REDHOT TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| REDMAX TECHNOLOGIES (HONG KONG) LIMITED | Private company limited by shares | Live |
| REEF TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| ReformTech Heating Technologies Limited | Private company limited by shares | Live |
| REFRESHMAN TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| REGA TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| REGENT TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| REGIONAL TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| REGULUS TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| REINSTRONG TECHNOLOGIES COMPANY LIMITED | Private company limited by shares | Live |
| Reishi Technologies Limited | | Live |
| REIVEN TECHNOLOGIES LIMITED | | Live |
| RELEVANT TECHNOLOGIES (HONG KONG) LIMITED | Private company limited by shares | Live |
| RELIABLE-FILTER TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| RemoStar Technologies Limited | Private company limited by shares | Dissolved |
| REMUS TECHNOLOGIES LIMITED | | Live |
| Clobotics Renewable Technologies HK Limited | | Live |
| RENOPIPE TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| RENSOL TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| Rephen Technologies (Hong Kong) Limited | Private company limited by shares | Live |
| BEST REPTON TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| REPUBLIC TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| RESEARCH TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| ST Research Technologies Limited | | Live |
| Resolve Technologies Limited | Private company limited by shares | Live |
| RESOURCE TECHNOLOGIES LIMITED | Private company limited by shares | Live Commenced dormancy on 02-Jun-2005 |
| LEARNING RESOURCES & TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| RESPIRONICS TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| QBS Retail Technologies Limited | Private company limited by shares | Live |
| Connected Retail Technologies Limited | Private company limited by shares | Live |
| LAWRENCE TYRE RETREADING TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| REVE TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| Reverso Technologies Limited | | Live |
| REVINE TECHNOLOGIES HK LIMITED | Private company limited by shares | Live |
| REVITALIS TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| Revontuli Technologies Limited | Private company limited by shares | Live |
| RHIZOME TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| Rhyan Technologies Co., Limited | Private company limited by shares | Live |
| RICH TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| GLORY RICH TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| LONG RICH TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| RICH LUCK TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| PACIFIC RICH TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| YIELD RICH TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| RICHBEST TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| RICHCO TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| RICHFIELD TECHNOLOGIES COMPANY LIMITED | Private company limited by shares | Dissolved |
| RICHGOOD TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| RICHMAX TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| RICHPOWER TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| RICHSHINING TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |