The most common and most likely answer to this crossword clue is the 4 plus 2 plus 3 letter word MAKE IT ONE
I've seen this crossword clue in The Times
M
A
K
E
I
T
O
N
E
Buddy explains!
The straight part
We know that "Be determined/to acquire the company?" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case be determined/to acquire the company? = make it one.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.