| Giraffe Team | Dnipropetrovsk |
| GMB Ukraine Ltd | Kiev |
| GMHOST LLC | Khmelnytskyi |
| GMS Office Tools | Kiev |
| Go Wombat Team | Dnipropetrovsk |
| GoIT | |
| Golden Internet | Kiev |
| GoldenWeb | |
| GoodCrypto | |
| Goodface | |
| GoodNet | Kiev |
| Gps-Garmin | Kiev |
| GrandSoft | Zaporizhzhia |
| Greencubator | |
| GreenFuel | |
| GrindinSoft | Poltava |
| GrossBee | Dnipropetrovsk |
| Gsmmobile | Kiev |
| Gtest | Kiev |
| GTU | Khmelnytskyi |
| Hacklab Kiev | |
| Happy Farm Business Accelerator | Kiev |
| Happy Monday | |
| Happy Monday | |
| Hdd Help | Kiev |
| HDesign.rv.ua | Rivne |
| HeliconSoft | Kharkiv |
| Hermitech Laboratory | Zhytomyr |
| Hetman Software | Kiev |
| HI-TECH.in.ua | Kiev |
| Himera | |
| Hire.ua | |
| HitLine | Kiev |
| Homenet | Dnipropetrovsk |
| HOST ISP | Kirovohrad |
| Host-unit | Kiev |
| Hostaster Ltd | Kiev |
| Hostbee | Kiev |
| Hostenko | Kiev |
| Hosting.UA | Odessa |
| HostingZ.net | Kherson |
| Hostlife | Kiev |
| Hostpro | Kiev |
| Hostxserver | Kiev |
| Hotline | |
| hotline.finance | |
| HP Украина | Kiev |
| HR CONF | Kiev |
| HUB 4.0 | |
| Hubber | |