| Bombis Health AB | Örebro | 0 tkr |
| Bonzo Living AB | Nacka | 0 tkr |
| BooCore AB | Saltsjö-Boo | 0 tkr |
| Bookman Partners Sweden AB | Stockholm | 0 tkr |
| Bookonsulterna i Nacka AB | Nacka | 0 tkr |
| Boolesk IT AB | Saltsjö-Boo | 0 tkr |
| Boostit Holding AB | Saltsjö-Boo | 0 tkr |
| Borenshtein Import AB | Saltsjö-Boo | 0 tkr |
| Borsch & Nordén Kapitalförvaltning AB | Saltsjö-Boo | 0 tkr |
| Bortivägen Holding AB | Saltsjöbaden | 0 tkr |
| Bostadssupporten i Nacka AB | Nacka Strand | 0 tkr |
| Bostil fastighets AB | Saltsjö-Boo | 0 tkr |
| Bowie Bob AB | Saltsjö-Boo | 0 tkr |
| Boxable AB | Nacka | 0 tkr |
| Box Group AB | Täby | 0 tkr |
| Boxpower AB | Norrköping | 0 tkr |
| BQ Kommunikation och verksamhetsutveckling Aktiebolag | Nacka | 0 tkr |
| Braathens Travel Group AB | Stockholm-Arlanda | 0 tkr |
| Brainy Nutrition Plus Sweden AB | Saltsjö-Boo | 0 tkr |
| Brandingenjör Marcus Arvidsson AB | Tyresö | 0 tkr |
| Brandisland AB | Danderyd | 0 tkr |
| Brand New Friend AB | Saltsjö-Boo | 0 tkr |
| Breathing AB | Saltsjöbaden | 0 tkr |
| Bredan AB | Saltsjöbaden | 0 tkr |
| Bremen Production AB | Härnösand | 0 tkr |
| Bretonit AB | Saltsjöbaden | 0 tkr |
| Bria Consulting AB | Nacka | 0 tkr |
| Brickhouse Mark & Fastigheter AB | Stockholm | 0 tkr |
| Brick Partners Invest AB | Stockholm | 0 tkr |
| Brick Strategy Holding AB | Saltsjö-Boo | 0 tkr |
| BridgeTG AB | Saltsjöbaden | 0 tkr |
| BrightVenture AB | Saltsjö-Boo | 0 tkr |
| B Rindevall Måleri AB | Nacka Strand | 0 tkr |
| Brivato AB | Älta | 0 tkr |
| Bröderna Brothers Holding AB | Tyresö | 0 tkr |
| Bröderna Eklund Betong AB | Nacka | 0 tkr |
| Bröderna Gravestam AB | Nacka | 0 tkr |
| Bröderna Sundelin Försäljnings Aktiebolag | Saltsjöbaden | 0 tkr |
| Bror & Bror AB | Saltsjö-Boo | 0 tkr |
| BR Sandberg Holding AB | Bromma | 0 tkr |
| BRS Management AB | Saltsjö-Boo | 0 tkr |
| Bruers Byggledning AB | Nacka | 0 tkr |
| Brunöring AB | Saltsjö-Boo | 0 tkr |
| Brunow Fastigheter AB | Nacka | 0 tkr |
| Brunow Living AB | Nacka Strand | 0 tkr |
| B. Scherrer AB | Saltsjöbaden | 0 tkr |
| BS Holding AB | Saltsjö-Boo | 0 tkr |
| BTC INTERNATIONAL AB | Nacka Strand | 0 tkr |
| Buckard Invest AB | Saltsjö-Boo | 0 tkr |
| BuildMind AB | Solna | 0 tkr |