| Weberest | |
| WebFace | Sofia |
| Webfocus | Sofia |
| Webg Design | Sofia |
| Webit | Sofia |
| WebMaster Bulgaria | Sofia |
| Webmodel studio | Sofia |
| Webmotion | Sofia |
| Webnotize | Varna |
| WebPalitra | Sofia |
| Webrika | |
| Website.bg | Sofia |
| WebsiteBuilderBG | Sofia |
| WebSiteDesign.bg | Sofia |
| WebTrade Ltd | Sofia |
| Webzo | |
| WeiDex | Sofia |
| What if | Sofia |
| Whiz | Sofia |
| Wiener Games Studio | Sofia |
| Wildorb Interactive Design Studio | Sofia |
| WispSoft | |
| Wollow International Ltd | Varna |
| Worddio | |
| Xenia Solutions | Sofia |
| Xplora | Sofia |
| Xplora BG | Sofia |
| XS Software | Sofia |
| Yanado | Sofia |
| Yatrus Analytics | Sofia |
| YessPay | Sofia |
| Yettel | Sofia |
| Yubitsoft Eood | Sofia |
| ZaraLab | Sofia |
| Zashev | Ruse |
| Zavas | Plovdiv |
| Zen Studio | Sofia |
| ZenART VR | Sofia |
| Zephyr Group EOOD | Plovdiv |
| Zeron | Sofia |
| Zetta Systems | Sofia |
| ZigiWave | Sofia |
| ZIT International | Sofia |
| Zoiper | Sofia |
| ZOV Solutions | Sofia |
| Zzzzapp | Sofia |
| «Електрон Прогрес» ЕАД | Sofia |
| «СОХО - Софийска Холистична Коуъркинг Компания» ООД | Sofia |
| Агенция GlideDesign | Sofia |
| Агро Финанс АД | Plovdiv |