The most common and most likely answer to this crossword clue is the 4 plus 2 plus 3 plus 6 letter word JACK OF ALL TRADES
I've seen this crossword clue in Financial Times
J
A
C
K
O
F
A
L
L
T
R
A
D
E
S
More clues leading to the result JACK OF ALL TRADES
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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.
What does JACK OF ALL TRADES mean?
JACK OF ALL TRADES noun- One competent in many endeavors, especially one who excels in none of them.