| HitSeed | |
| HitSeed | |
| HMD Global | Uusimaa |
| Högskolan på Åland | |
| Holvi | |
| Hookle, Inc. | Uusimaa |
| Hotellinx Systems Ltd | Southwest Finland |
| Houston Analytics Ltd | |
| Howspace | |
| Hoxhunt | |
| HP Finland Oy | Uusimaa |
| Hublet Oy | |
| Hukka AI Oy | |
| Huld | |
| HVR Cardio Oy | |
| Hycamite TCD Technologies Oy | |
| Hyperion Robotics Oy | |
| HyTest Ltd | |
| Icebreaker.vc | |
| ICEYE | |
| iconicchain Oy | |
| iconicchain Oy | |
| Identoi Oy | North Ostrobothnia |
| Idesco Oy | North Ostrobothnia |
| iFarm | |
| IGDA Finland | Uusimaa |
| Iisalmen Puhelin Oy | Northern Savonia |
| IK-Telecom | Uusimaa |
| Ikune Labs | |
| ILKKA | |
| Ilmatar | |
| Ilona Works Finland Oy | |
| Immersal | |
| Impacto Chile Hackathon | |
| Inca Systems Oy | North Ostrobothnia |
| Inclus | |
| Indagon Oy | Uusimaa |
| Index Information Technologies Oy | Uusimaa |
| Industria Oy | |
| InfoBuild Oy | Uusimaa |
| InfoSign Oy | Uusimaa |
| Infrakit Group Oy | |
| Inion Oy | |
| Innofactor plc | |
| Inoi Oy | Southwest Finland |
| Insoft.fi Oy | North Ostrobothnia |
| IntroTech | Uusimaa |
| Inventive Ventures | Uusimaa |
| Inventure | Uusimaa |
| Invesdor | |