| Binsol & Partnerid OÜOÜPrivate limited company | 12754846 | TallinnHarju maakond | 18.11.201411 yrs |
| Bimsoft OÜOÜPrivate limited company | 16429780 | TallinnHarju maakond | 26.01.20224 yrs |
| Bimosoft E OÜOÜPrivate limited company | 14861697 | TallinnHarju maakond | 04.12.20196 yrs |
| BIMConsult OÜOÜPrivate limited company | 12604045 | TallinnHarju maakond | 27.01.201412 yrs |
| BilliardsON OÜOÜPrivate limited company | 17502817 | TallinnHarju maakond | 08.05.20260 yrs |
| Bilgetech OÜOÜPrivate limited company | 16361125 | TallinnHarju maakond | 09.11.20214 yrs |
| Bildly OÜOÜPrivate limited company | 16581720 | Põhja-Pärnumaa valdPärnu maakond | 27.09.20223 yrs |
| BHT OÜOÜPrivate limited company | 14107871 | TallinnHarju maakond | 05.09.20169 yrs |
| BGTechnology OÜOÜPrivate limited company | 14251510 | TallinnHarju maakond | 02.05.20179 yrs |
| BEUITConsultant OÜOÜPrivate limited company | 16422631 | TallinnHarju maakond | 14.01.20224 yrs |
| Betterspot OÜOÜPrivate limited company | 14426949 | TallinnHarju maakond | 09.02.20188 yrs |
| BetTarx OÜOÜPrivate limited company | 16829396 | TallinnHarju maakond | 29.09.20232 yrs |
| BestBrains OÜOÜPrivate limited company | 11881363 | TallinnHarju maakond | 25.01.201016 yrs |
| Best Benefit OÜOÜPrivate limited company | 11545501 | TallinnHarju maakond | 10.10.200817 yrs |
| Berwick IT OÜOÜPrivate limited company | 17314569 | TallinnHarju maakond | 29.08.20250 yrs |
| BERS GROUP OÜOÜPrivate limited company | 14067545 | TallinnHarju maakond | 16.06.201610 yrs |
| Bergline Digital OÜOÜPrivate limited company | 17361392 | TallinnHarju maakond | 30.10.20250 yrs |
| Bee3 Digital Services OÜOÜPrivate limited company | 17313246 | TallinnHarju maakond | 27.08.20250 yrs |
| Bebi Family Games OÜOÜPrivate limited company | 14890569 | TallinnHarju maakond | 20.01.20206 yrs |
| BeautifulThins OÜOÜPrivate limited company | 12707420 | TallinnHarju maakond | 22.08.201411 yrs |
| Beata Labs OÜOÜPrivate limited company | 17504437 | TallinnHarju maakond | 11.05.20260 yrs |
| BB Digital Group OÜOÜPrivate limited company | 14239093 | TallinnHarju maakond | 11.04.20179 yrs |
| Batonics OÜOÜPrivate limited company | 14809372 | Haapsalu linnLääne maakond | 20.09.20196 yrs |
| Batchfive OÜOÜPrivate limited company | 16093972 | Pärnu linnPärnu maakond | 09.11.20205 yrs |
| Basic IT OÜOÜPrivate limited company | 16272172 | TallinnHarju maakond | 16.07.20215 yrs |
| BaseTech Business OÜOÜPrivate limited company | 17407295 | TallinnHarju maakond | 07.01.20260 yrs |
| Basebron OÜOÜPrivate limited company | 16871027 | Jõgeva valdJõgeva maakond | 30.11.20232 yrs |
| Basanta LamichhaneFIESole trader | 17176980 | TallinnHarju maakond | 13.02.20251 yrs |
| Bannerse OÜOÜPrivate limited company | 16742100 | TallinnHarju maakond | 19.05.20233 yrs |
| Bankee Technologies OÜOÜPrivate limited company | 17374354 | TallinnHarju maakond | 17.11.20250 yrs |