Comikey

[dwarf]

they're the "official" publisher of "Yuusha Party wo Tsuihosareta Ore daga, Ore kara Sudattekureta you de Ureshii. ....nanode Dai Seijo, Omae ni Ottekorarete wa Komaru no daga?" according to themself, but mangaupdate says it's:
English Publisher
Manga Up! Global
What is now correct?

 

[dwarf]

found the same discrepancy at the other mangas, too.

 

[Atifus]

they're the "official" publisher of "Yuusha Party wo Tsuihosareta Ore daga, Ore kara Sudattekureta you de Ureshii. ....nanode Dai Seijo, Omae ni Ottekorarete wa Komaru no daga?" according to themself, but mangaupdate says it's:
English Publisher
Manga Up! Global
What is now correct?

A manga can have any number of official publishers according to however many publishers have licensed it, Fixed on mangaupdates

found the same discrepancy at the other mangas, too.

Which ones?

Also manga is plural as it is.