business unit

English Wikipedia has an article on:

strategic business unit

Wikipedia

business unit (plural business units)

1. (business, management) A profit center which focuses on a particular product line and/or market segment, having its own marketing plan and campaign, even if part of a larger business entity.

   Synonym: strategic business unit

• cost center
• profit center

• “business unit”, in Cambridge English Dictionary, Cambridge, Cambridgeshire: Cambridge University Press, 1999–present.
• “business unit”, in Lexico, Dictionary.com; Oxford University Press, 2019–2022.