| Barkman Capital AB | Lidingö | 0 tkr |
| Barraxan AB | Lidingö | 0 tkr |
| Baskelid Consulting AB | Lidingö | 0 tkr |
| Basque Holding AB | Lidingö | 0 tkr |
| Bass Rock Holding AB | Lidingö | 0 tkr |
| Båtkroken AB | Lidingö | 0 tkr |
| BCP Holding AB | Lidingö | 0 tkr |
| Bearway Holding AB | Lidingö | 0 tkr |
| Beccs AB | Stockholm | 0 tkr |
| Bedaroe AB | Lidingö | 0 tkr |
| Behmer Management AB | Lidingö | 0 tkr |
| BELOW3 HOLDING AB | Lidingö | 0 tkr |
| Bengt Lindeborg Åkeri AB | Lidingö | 0 tkr |
| Bergholm A.D.T. AB | Lidingö | 0 tkr |
| Berit Film AB | Vega | 0 tkr |
| Bernhoff Business Development AB | Lidingö | 0 tkr |
| Berryhill Consulting AB | Lidingö | 0 tkr |
| Berwick Holding AB | Lidingö | 0 tkr |
| BESIGN Holding AB | Lidingö | 0 tkr |
| Best Practice Scandinavia AB | Lidingö | 0 tkr |
| Besveti AB | Lidingö | 0 tkr |
| Betre Invest Aktiebolag | Lidingö | 0 tkr |
| Better Insights AB | Lidingö | 0 tkr |
| Bexingo Group AB | Lidingö | 0 tkr |
| BG Invest AB | Sundbyberg | 0 tkr |
| B Hedin AB | Lidingö | 0 tkr |
| Bickaback AB | Lidingö | 0 tkr |
| Bilberry Ventures AB | Lidingö | 0 tkr |
| Bill Odqvist Holding AB | Lidingö | 0 tkr |
| Biochimica Holding AB | Lidingö | 0 tkr |
| Bissmarck Enterprises AB | Rydebäck | 0 tkr |
| Bita Walden Consulting AB | Lund | 0 tkr |
| BizReq AB | Saltsjö-Boo | 0 tkr |
| Bizzi Holding AB | Lidingö | 0 tkr |
| Bjärehalvön Fastighets AB | Lidingö | 0 tkr |
| Björk & Lund Trädgårdsmästare Lidingö AB | Bromma | 0 tkr |
| Björkström Holding Aktiebolag | Lidingö | 0 tkr |
| Björn Junge & Co. AB | Lidingö | 0 tkr |
| Björnmossen Holding AB | Stockholm | 0 tkr |
| Björnvattnet AB | Lidingö | 0 tkr |
| BJP Infonet AB | Lidingö | 0 tkr |
| Bjurbecken Invest AB | Lidingö | 0 tkr |
| Bjuret AB | Lidingö | 0 tkr |
| Blå Kupol Arkitektur & Design AB | Lidingö | 0 tkr |
| Blanklaxen AB | Lidingö | 0 tkr |
| Blåstöten Fastighetsförvaltning AB | Lidingö | 0 tkr |
| Blinking Things AB | Stockholm | 0 tkr |
| Blissful Spring AB | Lidingö | 0 tkr |
| Blodboksgränd Holding i Hässelby AB | Lidingö | 0 tkr |
| Bloemen Invest AB | Lidingö | 0 tkr |