| Astral-Kiev | Kiev |
| Atlant Digital | |
| Augma Studio | Lviv |
| AutoBI | |
| AVA.codes | Kiev |
| Avada-Media | |
| AVEDsoft | |
| AVentures Capital | Kiev |
| Avocado Team | |
| Avocado Technology | Kiev |
| AVT Trade | Kiev |
| Aweb | Kiev |
| AWebTechnology | Kiev |
| Axioma-Techno | Kiev |
| Axles | |
| Axogon | Kiev |
| Azon5 | |
| B-Soft | Kiev |
| Badevlad Software Company | Zhytomyr |
| Bank of Memories Ltd | |
| Base Blocks | |
| Basic Group TM | |
| Basis Software Ltd | Kiev |
| BazaIT | |
| BCS | Zaporizhzhia |
| Beatshapers Ltd | Kiev |
| BeeWorking | |
| Befunders | |
| BeLight Software | Odessa |
| Benamix | |
| Berdyansk State Pedagogical University | |
| Berezha Security Group | |
| Beskyd Com | |
| Best | Kiev |
| Best-free-soft | Kiev |
| Bestprograms | Kiev |
| Bestsoft | Kiev |
| Betlace | |
| BFC - Global Business Analytics | |
| BGS Solutions | Kiev |
| BIBлиотека программиста | Kiev |
| BidOn Games Studio | |
| BigBN | Kiev |
| Bigline | Kharkiv |
| BigMO | Kiev |
| Bilink | Kiev |
| BilSoft, LLC | Kharkiv |
| Bimp | |
| Bina Design | Kiev |
| Binotel | |