| BlueMouse GmbH | Aargau |
| BlueOcean Ventures S.A. | |
| Bluestar Solutions S.à.r.l. | Neuchâtel |
| Bluesun AG | Basel-Stadt |
| blueworks Ltd | Zug |
| blueyellow AG | |
| BNT Solutions GmbH | |
| Board International | Ticino |
| Bordier & Cie | |
| Borm-Informatik AG | Schwyz |
| Bosshard & Partner Unternehmensberatung AG | Aargau |
| bossinfo.ch AG | Bern |
| Bota Systems AG | |
| Boxalino | Zurich |
| BPA Solutions S.A. | Vaud |
| BPC Banking Technologies | Zug |
| BRABENDER Solutions GmbH | Zug |
| Brack.ch AG | Vaud |
| Brainflow | |
| Braingroup AG | Zurich |
| Breadwinner AG | |
| Bridge it GmbH | |
| Bright Peak Therapeutics | Basel-Stadt |
| Bring! Labs AG | |
| BROMsolutions S.A. | Bern |
| Bronkhorst (Schweiz) AG | |
| Brother (Suisse) S.A. | Aargau |
| Brunner Medien AG | Lucerne |
| Brunold Software | Zurich |
| BSD Informatik GmbH | Aargau |
| BST Banking Software Training AG | St. Gallen |
| btnet GmbH | Zurich |
| Bubble Webdesign Thomas Schneider | Bern |
| Büchi AG | |
| Buchmann Direct Electronics AG | Zurich |
| budgetcomputer.ch | Valais |
| Buero AG | Zug |
| Bühlmann & Partner GmbH | St. Gallen |
| Bumat S.A. | Vaud |
| BÜRGE-FISCHER AG | Aargau |
| Burgerliche Ersparniskasse Bern | |
| Bürki Hosting Spiez | Bern |
| Büro Züri | |
| Business & Finance Consulting | |
| Business Angels Switzerland | |
| BusPro | Zurich |
| Büsser Informatik GmbH | Zurich |
| Buyogo AG | |
| Bvckup 2 | Vaud |
| BW Digitronik AG | Zurich |