| Name | Region |
|---|---|
| Hdd Help | Kiev |
| HDesign.rv.ua | Rivne |
| Heads | |
| Hebron Soft | |
| HeliconSoft | Kharkiv |
| Hermitech Laboratory | Zhytomyr |
| Hetman Software | Kiev |
| Hexagon Agency | |
| HI-TECH.in.ua | Kiev |
| Himera | |
| Hire.ua | |
| HitLine | Kiev |
| HoloriseStudio | |
| Homenet | Dnipropetrovsk |
| Horizon Capital | |
| Horizoners Design | |
| 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 |
| HTTP | |
| HUB 4.0 | |
| Hubber | |
| Hug's | |
| Humanit.pro | |
| HURMA System | |
| HvOSTING | Kiev |
| HZF | |
| I--ween | Kharkiv |
| IBS Управление предприятием | Kiev |
| IC Studio | |
| iCORN | Kiev |
| IcornA | |
| Icrecream | |
| Idealogic | Kiev |
| Ideas Center UCU | |
| iDeus | |
| iDev | |
| iForum | |
| iHUB | Kiev |