| Proacto | |
| ProArea Digital Agency | |
| ProCoders | Kharkiv |
| ProductCrafters | |
| Production Association Yuzhny Machine-Building plant named after A.M. Makarov | |
| Proffiz | |
| ProFits | |
| ProfITsoft | |
| ProFIX | Kiev |
| Proga Tech | |
| Program-Ace | Kharkiv |
| Programme | Kiev |
| Programsfiles | Kiev |
| Programswhiteba | Kiev |
| Programy.com.ua | Kiev |
| ProLine Trading | Dnipropetrovsk |
| PromoSite.com.ua | Kiev |
| Promprylad.Renovation | |
| Pronet | Kiev |
| ProSeminar | |
| Prosperety Software | |
| Prosperity | Kharkiv |
| Prostosoft | Kiev |
| Protoria | Kiev |
| Providers | Kiev |
| ProZori Solution | |
| PyCon Odessa | |
| PyCon Ukraine | Kharkiv |
| Python Automation Masters | |
| Q Partners | |
| QATestLab | Kiev |
| Qlayer.net | Zhytomyr |
| Qplaze.com | Kiev |
| Quadroom | |
| Qualium Systems Ltd | Kharkiv |
| Quant | |
| Quick MTF | Kiev |
| QuickMocker | |
| Quintagroup | Lviv |
| QuitCode | |
| Qwerty Software | |
| Raccoon Depot | |
| RadarTech | |
| Radency | |
| Ramexsoft | |
| Rangein | |
| Raskrutka.kiev.ua | Kiev |
| Ratatype | |
| RazomSoftware | |
| RDM (Recovery Data Media) | Kiev |