- B2B Pay
- Band on the Web
- Bankify
- Basemark
- Batches
- BCaster
- BearIT
- Beat2Phone
- Beatsy
- BEEMRAY
- Beibamboo
- BeiZ / Lola Panda
- Belightful Design
- BelleGames
- belon.gs
- Benemen
- Benji Bananas
- Best Glass
- Bfix
- Biddl
- BiiSafe
- BioGTS
- Bioretec
- Bitbar
- bitsofYours Software
- Bitwards
- Bizmind
- Black Eye Lens
- Blinkamovie
- Blok
- Blueprint Genetics
- Boardio
- Boldan
- Bone Index Finland
- Bonusway
- BonWell Intelligence
- Bookiwoo
- Bookndo
- BookTheArtists.com
- Boomlagoon
- Born Local
- BrandBastion
- Breakit
- Brella
- Briefr
- BrightCharger
- Brightside
- Briim
- Brimstone Interactive
- Brinkhall Sparkling
- BroadBit Batteries
- Broochy
- Broomu Digitals
- bttn
- BT Wood
- BucketList
- Buddy Healthcare
- BuffetGo
- Buildlink
- Business Rooster
- Buzzbudz
- Bxx Software