carve out a niche
US /kɑrv aʊt ə nɪtʃ/
UK /kɑrv aʊt ə nɪtʃ/

1.
to develop a special area of business, work, or expertise that no one else has or has thought of
:
•
She managed to carve out a niche for herself in the competitive world of artisanal cheeses.
•
The small company was able to carve out a niche by offering highly specialized software solutions.