S.A. (corporation) – Wikipedia

S.A. or SA designates a type of public company in certain countries, most of which have a Romance language as its official language and employ civil law.Depending on language, it means anonymous company, anonymous partnership, share company, or joint-stock company, roughly equivalent to public limited company in United Kingdom company law and a public company in United States corporate law.

https://en.wikipedia.org/wiki/S.A._(corporation)