| Besta Singapore | Singapore |
| BetaSmartz Global Pte Ltd | Singapore |
| BetterTradeOff Solutions Pte Ltd | |
| Bevootech Pte Ltd | Singapore |
| BH Global Corporation Ltd | Singapore |
| Billion Bricks Homes Pte Ltd | Singapore |
| BillPay | Singapore |
| Bima Milvik | Singapore |
| Bioinformatics Institute | Singapore |
| Biolidics Ltd | Singapore |
| Biosensors International Technologies Pte Ltd | Singapore |
| Biosyngen Pte Ltd | Singapore |
| BIT Solution Pte Ltd | Singapore |
| BitDATA Exchange | Singapore |
| Bitdeer | Singapore |
| BitTok | Singapore |
| Biz Era Pte Ltd | Singapore |
| Bizgram Asia Pte Ltd | Singapore |
| Bizweb Communications Pte Ltd | Singapore |
| BizzmanWeb | Singapore |
| Blackpanda Pte Ltd | Singapore |
| Blackwired Pte Ltd | Singapore |
| BLD.AI Pte Ltd | Singapore |
| Blink Technologies Pte Ltd | Singapore |
| BLOCK71 | Singapore |
| Blockchain Association Singapore | Singapore |
| Blockchain Zoo Pte Ltd | |
| BlockchainSpace | Singapore |
| BlockchainWorx | Singapore |
| Bloom Capital Partners Pte Ltd | Singapore |
| Blue Gulf Technologies Pte Ltd | Singapore |
| Blue Planet Environmental Solutions Pte Ltd | Singapore |
| Blue Wireless | Singapore |
| Bluelounge | Singapore |
| BluOcean Technology Pte Ltd | Singapore |
| Bluzelle Networks Pte Ltd | Singapore |
| BMS Computerisation Services | Singapore |
| Boltech | Singapore |
| Bona Technologies Group of Companies | Singapore |
| Bonds Investment Group | Singapore |
| Bonobo Pte Ltd | Singapore |
| Bonton Connect Pte Ltd | Singapore |
| Boomzap Pte Ltd | Singapore |
| BORA | Singapore |
| BotDistrikt | Singapore |
| Botster | Singapore |
| BRAIN Computers Pte Ltd | Singapore |
| Brand Rich, LLP | Singapore |
| Brankas | Singapore |
| Brazn Pte Ltd | Singapore |