| BellCon ApS | Capital Region of Denmark |
| BEQ | Central Denmark Region |
| Bern Martens dk | Capital Region of Denmark |
| BeSoft ApS | |
| Bestseller A/S | |
| BetaDwarf ApS | |
| Better Collective A/S | |
| Better Developers | |
| Beyond11 ApS | |
| BfR Professional | |
| BifrostConnect ApS | |
| BInnovation ApS | |
| Biograil ApS | |
| Biomia ApS | |
| bioPDF | Capital Region of Denmark |
| BioPhero ApS | |
| BioPorto Diagnostics A/S | |
| Biotest Facility | |
| BITZER Electronics A/S | Region of Southern Denmark |
| Black Box A/S | Region Zealand |
| Blackbook | Capital Region of Denmark |
| Blackwood Seven A/S | |
| Blazar Capital | |
| Blocktech ApS | |
| Blue Cell Therapeutics | |
| Blue Line A/S | Central Denmark Region |
| Blue Ocean Robotics | |
| Blue World Technologies ApS | |
| BluePosition | Capital Region of Denmark |
| Bluestar PLM | North Jutland Region |
| Bluetop Solar Parking ApS | |
| BLUETOWN Corporation | |
| BluSense Diagnostics | |
| BMBL-IT | Region Zealand |
| BMN Elektronik ApS | Region Zealand |
| BOLIG·NET A/S | Capital Region of Denmark |
| Bolverk Games | |
| Bookhus.dk | Region of Southern Denmark |
| BookingStudio A/S | Region of Southern Denmark |
| BOOST Pharma | |
| Borbjerg Sparekasse | |
| Bornholms Sundheds- og Sygeplejeskole | |
| bosoLog | |
| Boyum IT Solutions A/S | Central Denmark Region |
| Brackeys | |
| BrainCapture | |
| Bram Stein | Capital Region of Denmark |
| Bredana | Region of Southern Denmark |
| Breum Data ApS | Capital Region of Denmark |
| Breye Therapeutics ApS | |