| Quodisys | Singapore |
| Quvaco Solutions Pte Ltd | Singapore |
| QXSystems Pte Ltd | Singapore |
| R3i Ventures Pte Ltd | Singapore |
| RABC Group | Singapore |
| Rack.Com.Sg | Singapore |
| Radarr | |
| Radiance Communications Pte Ltd | Singapore |
| Radix Systems | Singapore |
| Rag and Bone Services | Singapore |
| Rainforest Life Pte Ltd | |
| Rakuten Symphony Singapore Pte Ltd | Singapore |
| RAMMP IT Solutions Pte Ltd | Singapore |
| Ranked Pte Ltd | Singapore |
| Ranosys Technologies | Singapore |
| Rapid eSuite Pte Ltd | Singapore |
| RapidCloud Singapore | Singapore |
| Raputa Pte Ltd | Singapore |
| Rapzo Capital Pte Ltd | |
| Raycode Technologies Pte Ltd | Singapore |
| Reactor School | |
| Ready Software Pte Ltd | Singapore |
| Readyspace (SG) Pte Ltd | Singapore |
| Realisma Digital Agency | Singapore |
| Rebus AI Pte Ltd | Singapore |
| Red Dot Web Studios | Singapore |
| Reddio | Singapore |
| Reditech Pte Ltd | Singapore |
| RedSwitches Pte Ltd | |
| RedVoIP Networks, Inc. | Singapore |
| Refine Interactive | |
| Regional Business Network Pte Ltd | Singapore |
| Register.com.sg | Singapore |
| Regnia Software Consultancy | |
| Relotalent | Singapore |
| Renaissance Infosystems | Singapore |
| Rentec Solutions | Singapore |
| Republic Polytechnic | Singapore |
| Request Network | Singapore |
| Resolvo Systems Pte Ltd | Singapore |
| Resumonk | |
| Resync Technologies | Singapore |
| Revanton Pte Ltd | Singapore |
| REVE Systems | Singapore |
| RFNet Technologies | Singapore |
| Rhad Agency | |
| Rhino Partners | |
| Ricoh (Singapore) Pte Ltd | Singapore |
| Rikvin Capital Pte Ltd | Singapore |
| RippleWerkz | Singapore |