japonin.com/japan/business-japanese-classes
Online business Japanese lessons for intermediate to advanced learners covering keigo, business conversation, email writing, and document composition through group classes and role-play practice.
Business and keigoCourses, textbooks and schoolsIn JapaneseBusiness JapaneseKeigo and politenessTutors and teachersConversationConditionalsFreeParticlesAdjectivesJLPT