How to Say "business partner" in Spanish
The Spanish word for “business partner” is “socio” — B1 level.
English → SpanishB1
nounB1neutral to formal
co-owner of a company or venture

Examples
Mi socio capitalista invirtió una gran suma en el proyecto.
My capital partner invested a large sum in the project.
Ellos son socios en un bufete de abogados muy prestigioso.
They are partners in a very prestigious law firm.
Referring to the Company
When talking about the business itself, the related noun is 'sociedad' (society or company/partnership).
Related Translations
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