The most common and most likely answer to this crossword clue is the 9 letter word ARCHITECT
I've seen this crossword clue in Financial Times
A
R
C
H
I
T
E
C
T
More clues leading to the result ARCHITECT
- Wren eg, male, grabbing insect’s tail, caught on outside
- Designer is part of circle to beat English court
- Skill securing constant success with City planner
- Author's note in a short page
- Wren, maybe, or the Arctic cuckoo
- Designer in the Arctic collapsed
- Designer of cunning computer systems meets shocking treatment
- Planner placing note in broken crate
- Key specialist in design work?
- Piano’s one facility: overpowering hectic playing
Buddy explains!

The straight part
We know that "Wren, maybe" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case wren, maybe = architect.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 ARCHITECT mean?
ARCHITECT noun- A professional who designs buildings or other structures, or who prepares plans and superintends construction.
- A person who plans, devises or contrives the achievement of a desired result.
- A title given to architects. Usually capitalized or abbreviated as Arch./Ar. before the person's name.
- To design, plan, or orchestrate.