| Financlick | Barcelona |
| Finanzarel | Barcelona |
| Finect | Madrid |
| Finizens | Madrid |
| Finletic Capital SGIC, S.A. | Madrid |
| Finteca | Barcelona |
| Fintech Payments | Madrid |
| Fintonic Servicios Financieros, S.L. | Madrid |
| Fivecomm | Valencia |
| FiveTech Software, S.L. | Málaga |
| Flame Analytics | Asturias |
| Flanks | Barcelona |
| Flash Park, S.L. | Barcelona |
| Flash Software, S.L. | Zaragoza |
| FlexiDAO SES, S.L. | Barcelona |
| FlipSimply | Madrid |
| Flit2go | Valencia |
| Flomics Biotech, S.L. | Barcelona |
| Florida Centre de Formació | |
| flowww | Valencia |
| FLUZO | Madrid |
| FMIT Solutions | Málaga |
| Fojenet, S.L. | Madrid |
| Fon | Madrid |
| Fontventa, S.L. | Madrid |
| fonYou Telecom, S.L. | Barcelona |
| ForceManager | Barcelona |
| ForceManager | Barcelona |
| Formigues.com | Barcelona |
| Foro Digital, S.L. | Murcia |
| FOSSA Systems, S.L. | Madrid |
| Foundry Iberia | Madrid |
| Four Track Software, S.L | Barcelona |
| FP CEU Madrid | |
| Fracttal Tech, S.L. | Madrid |
| Fractus, S.A. | Barcelona |
| Free Technologies Excom, S.L. | Madrid |
| Freeox Biotech | Barcelona |
| Freepik Company, S.L. | Málaga |
| Freeverse | Barcelona |
| Frenetic Electronics, S.L. | Madrid |
| Froggie, S.L. | Sevilla |
| Front.id | Granada |
| Frontend Barcelona Conference | |
| FrontWave Imaging | Barcelona |
| Frucomedia | Zaragoza |
| FTP Company | Madrid |
| Fuelium | Barcelona |
| Fuell | Madrid |
| Fullstep Networks, S.A. | Madrid |