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.