market share
US /ˈmɑːr.kɪt ˌʃer/
UK /ˈmɑːr.kɪt ˌʃer/

1.
cuota de mercado
the portion of a market controlled by a particular company or product
:
•
The company aims to increase its market share by 10% next year.
La empresa aspira a aumentar su cuota de mercado en un 10% el próximo año.
•
Despite strong competition, they maintained their leading market share.
A pesar de la fuerte competencia, mantuvieron su cuota de mercado líder.