hang out one's shingle

hang out (one's) shingle

To start a business of some kind. I'd be glad to take on your case—after years at that law firm, I'm finally hanging out my shingle.
See also: hang, out, shingle
Farlex Dictionary of Idioms.

hang out one's shingle

Open an office, especially a professional practice, as in Bill's renting that office and hanging out his shingle next month. This American colloquialism dates from the first half of the 1800s, when at first lawyers, and later also doctors and business concerns, used shingles for signboards.
See also: hang, out, shingle
The American Heritage® Dictionary of Idioms by Christine Ammer.

hang out one's shingle, to

To open an office, especially a professional practice. This term comes from nineteenth-century America, when lawyers, doctors, and various business concerns often used actual shingles for signboards. Van Wyck Brooks, in The World of Washington Irving (1944), wrote, “Catlin hung out his shingle as a portrait-painter.”
See also: hang, out
The Dictionary of Clichés by Christine Ammer
See also:
  • hang out (one's) shingle
  • hang out your shingle
  • hang out/up your shingle
  • shingle
  • (it's) good to hear your voice
  • good to hear your voice
  • (I'm) (so) glad you could come
  • glad you could come
  • be hanging over (one)
  • be hanging over your head