backup (e.g. backup strategy)
bail sb out / a bailout / on bail
balance sheet
bars / barrister / the Bar
bargain
behead sb
be in the black
be in the red
be insolvent
be out of / in stock
be promoted
benchmark / benchmarking
binding
blackmail / blackmailer
board (e.g. board of directors / management board / supervisory board)
bond (e.g. government’s bonds / junk bonds / corporate bonds)
bondholder
bonus
boost (e.g. boost productivity / sales)
bottom-line
branch
brand awareness
brand extension = brand stretching
break sth down (e.g. break down the job into several assignments)
breakdown = burnout
break-even point
bribery / bribe / briber
brick and mortar stores
brief N / V / briefing
brokerage (e.g. brokerage house / services / companies) / broker (e.g. stock broker)
business angel
bust / go bust