The most common and most likely answer to this crossword clue is the 4 plus 5 letter word UNIT TRUST
I've seen this crossword clue in The Times
U
N
I
T
T
R
U
S
T
More clues leading to the result UNIT TRUST
- Financial product one thing to have faith in
- Corps put faith in security
- Investment requires detachment and faith
- Form of investment providing one with credit
- One reportedly made secure investment choice?
- One reportedly supported form of investment
- One needs faith, putting money here?
- Form of investment that may give one confidence
- One will believe in such investment
- One to rely on it for investment
Buddy explains!

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.