The most common and most likely answer to this crossword clue is the 8 letter word SHERATON
I've seen this crossword clue in The Guardian
S
H
E
R
A
T
O
N
More clues leading to the result SHERATON
- Furniture style in Athens or abroad
- Hotel chain identified by style of furniture
- Furniture maker adapted thrones to accommodate Camilla’s bottom
- Girl to betray furniture designer
- He produced furniture to another’s design
- She hurried round to a furniture designer
- Female to inform furniture designer
- Hotel chain delayed taking action over that woman inside
- Son has another different style of furniture
- Female informer working for furniture maker
Buddy explains!

The straight part
We know that "furniture designer" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case furniture designer = sheraton.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.