| Kaplen I.T. Services | Singapore |
| Kaynett Kinetics Pte Ltd | Singapore |
| Keppel Data Centres Pte Ltd | Singapore |
| Keppel Telecommunications & Transportation | Singapore |
| Keychain Pte Ltd | Singapore |
| Keyence Asia Pacific | Singapore |
| Keytech Group Pte Ltd | |
| Kinobi | Singapore |
| Kitagawa Electronics (Singapore) Pte Ltd | Singapore |
| Kiwigo | Singapore |
| KK Fund | Singapore |
| Klikit | Singapore |
| Knowledge Platform | Singapore |
| Knowledge Touch | Singapore |
| Knowledge-Pro Pte Ltd | Singapore |
| KodeKloud | Singapore |
| Kodland Pte Ltd | |
| Konigle | |
| Kontra Application Security Training Pte Ltd | Singapore |
| KOOPrime Pte Ltd | Singapore |
| Korvac Holdings | Singapore |
| KrispCall Pte Ltd | |
| Kristal Advisors (SG) Pte Ltd | Singapore |
| Krome Singapore | |
| Kryst Digital | |
| Kulicke & Soffa Pte Ltd | Singapore |
| Kyber Network | Singapore |
| Kyocera Mita Singapore Pte Ltd | Singapore |
| Kyyte Pte Ltd | |
| L&H Management | Singapore |
| LabelMark International | Singapore |
| Lai Anderson Design | Singapore |
| Lambdagen Therapeutics | |
| LambdaMu Games | Singapore |
| LandShark Games Pte Ltd | Singapore |
| LANWorks | Singapore |
| Lark Technologies Pte Ltd | Singapore |
| Lazada Group | Singapore |
| LCO-Creation Singapore Pte Ltd | Singapore |
| LD Capital | Singapore |
| Leading Solution Pte Ltd | |
| Leadman Technology | Singapore |
| LeadsNavi Pte Ltd | |
| LEAP Commerce Pte Ltd | |
| LEAPP Mobile | |
| Lemnis Technologies | Singapore |
| Lemonade | Singapore |
| Leverage Capital International | Singapore |
| LGA Telecom Pte Ltd | Singapore |
| Life.SREDA | Singapore |