As digital transformation (DX) accelerates in Japan, Google Workspace has become the go-to for startups and tech-forward companies. Even if a company has a custom domain, they often maintain a secondary @gmail.com address for backup or specific platform registrations.
Many Japanese companies use official domains for their primary outreach. Below are examples of verified contacts from 2022–2023 industry lists: Company Name Verified Email/Domain ryugaku@arc3.co.jp BRCJP toyo@brcjp.com DEOW Co. Ltd. Info@deow.jp Go Global yayoi@go-global.info Inter Support info@ispt.co.jp Itochu Corporation s.hashimoto@itochu.co.rs Tokyo (Global branch) Makuhari Messe, Inc. t-kbysh@m-messe.co.jp Industry Standard Email Providers in Japan As digital transformation (DX) accelerates in Japan, Google
Use (updated 2022–present):