| Ferro Backup | Lesser Poland |
| Ferrodo Computer Sp. z o.o. | Greater Poland |
| FHU MAGNIS Paweł Bachula | Lesser Poland |
| FIBRAIN Sp. z o.o. | Subcarpathian |
| Fibratech Sp. z o.o. | |
| Fidiasz ASI Sp. z o.o. | |
| Figaro Software | Masovian |
| FinAi S.A. | |
| Finally | |
| FinancesOnline | Masovian |
| Finansowo.pl S.A. | |
| Finanteq Mobile Banking Solutions | Lublin |
| FindAir Sp. z o.o. | |
| Findair Sp. z o.o. | |
| Finea S.A. | |
| FineMEDIA | Lower Silesian |
| Fintech Poland | |
| Fireart Studio | |
| FireHost.pl | |
| FireUp Software Sp. z o.o. | Silesian |
| Firma GÓRSKI | Lublin |
| Firma Komputerowa "ZET" | Łódź |
| Fiskomp | Masovian |
| Fitly.ai | |
| FiveDotTwelve Sp. z o.o. | |
| Fively Poland Sp. z o.o. | |
| FlexiSolutions | |
| FLEXUS.pl | Lesser Poland |
| Fluence Sp. z o.o. | |
| Fluentbe Sp. z o.o. | |
| Foap | |
| Focus Telecom Polska | |
| For Ever Sp. z o.o. | Masovian |
| Forcom Sp. z o.o. | Greater Poland |
| Formica Szerszenowicz Sp. J. | Podlaskie |
| Formobile Solutions Sp. z o.o. | |
| Formsoft | Lower Silesian |
| Fortis M. Borowy Sp. J. | |
| Fortiva | Greater Poland |
| Forweb S.C. | Łódź |
| Foster | Pomeranian |
| Four Point Sp. z o.o. | |
| Fractal Soft | |
| Fraktal | Masovian |
| Fream | |
| Fream Sp. z o.o. | Lower Silesian |
| freePBX | Masovian |
| FreePhone Sp. z o.o. | |
| Fresh Studio Sp. z o.o. | |
| FreshMail | |