| Kharkiv IT Cluster | |
| Kharkiv National Medical University | Kharkiv |
| Kharkiv National University of Internal Affairs | Kharkiv |
| Kharkiv Polytechnic Institute | |
| KharkivJS | Kharkiv |
| Kherson State University | Kherson |
| Kiev Perl Mongers | Kiev |
| KievISP | Kiev |
| Kindgeek | |
| Kit Global Agency | |
| KitWeb | |
| Kivi | |
| KM Core | Kiev |
| KOmP Systems | Kiev |
| Konica Minolta Business Solutions Ukraine | Kiev |
| Koritsa | Kiev |
| Korzh.com | Kiev |
| Kramnica.com.ua | Kiev |
| Kray Technologies | |
| Kron | Kiev |
| KRyLack Software | Kiev |
| KTC | Kiev |
| Kyiv Investment Agency | |
| Kyiv Investment Forum | |
| Kyiv IT Cluster | |
| Kyiv School of Economics | Kiev |
| Kyivitcluster | |
| Kypitehniky | Kharkiv |
| Laboratory of Advanced Jet Propulsion | |
| LabTop Digital | Kiev |
| Lake of Soft | Kharkiv |
| Lambda Team | Dnipropetrovsk |
| Languametrics, Inc. | Kiev |
| LearningPath.io | |
| Lemapp | Kiev |
| Lemon School | |
| LemonFiles | Kherson |
| Level UP Ukraine | |
| Libra Data Shelf | |
| Limenet | |
| LimeSystems | |
| LineCome Systems | Kiev |
| Link Guard Solutions Ltd | Kiev |
| Linuxoid - все, что знаю о Туксе | Kiev |
| Lionwood.software | Lviv |
| Liraland Group | |
| Listat Software Development | Kiev |
| LivaRava | |
| Liza-Soft | Kiev |
| LMS Collaborator | |