Tuesday through Thursday mornings (Japan Standard Time) are generally the best times to send B2B emails.
Excellent for finding Japanese tech and software companies.
If you are looking for specific niches, Japanese directories are a goldmine:
In the Japanese business world, credibility is paramount. While small startups or sole proprietors might use @gmail.com or @yahoo.co.jp , established Japanese companies almost exclusively use custom corporate domains (e.g., name@company-name.co.jp ).
Most Japanese corporate websites have a 問い合わせ (Inquiry) page. While it’s slower, sending a personalized message through an official form is often more effective than hitting a generic Gmail inbox that might not be monitored. Tips for Outreach in Japan
Publicly shared lists from 2022 are likely inactive by now.
