Unite, as two firms (5)
I believe the answer is:
merge
(Other definitions for merge that I've seen before include "Fuse" , "Combine into one" , "Blend, coalesce" , "Join into one" , "Join, blend" .)
I believe the answer is:
merge
(Other definitions for merge that I've seen before include "Fuse" , "Combine into one" , "Blend, coalesce" , "Join into one" , "Join, blend" .)