put out (someone's) shingle

Translations
начать собственное дело
After years of working for others, she decided to put out her shingle and start her own law firm.
После многих лет работы на других она решила начать собственное дело и открыть свою юридическую фирму.
Definitions
To start one's own business or professional practice, especially in fields like law or medicine. The phrase originates from the practice of hanging a sign (shingle) outside an office to indicate that the business is open.
Words
shingle

noun
галька
put

verb
положить
put out

verb
тушить