To achieve high conversion rates and maintain sender reputation when reaching out to Japanese SMEs using free email domains, apply these strategies:
Rapidly growing tech startups in hubs like Shibuya often use G-Suite or standard Gmail accounts during their initial phases.
| Service | Format | Cost | Notes | |--------|--------|------|-------| | | Subscription | Paid | Largest Japanese business database. Includes email + phone + financials. | | Tokyo Shoko Research (TSR) | API / CSV | Paid | Similar to TDB; very reliable. | | Jetro (Japan External Trade Organization) | Free search | Free | Limited to export/import interested firms. | | iROMANCE (for marketing) | CSV export | Paid | Specializes in Japanese B2B emails. | | LinkedIn Sales Navigator | Contact export | Paid | Many Japanese managers list work email. | To achieve high conversion rates and maintain sender
Because trust is central to Japanese business culture, inbound marketing yields significantly higher conversion rates than cold outbound webmail blasts.
This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later. | | Tokyo Shoko Research (TSR) | API
Emails sent to these accounts often go directly to the owner or a key decision-maker rather than a generic "info@" corporate inbox.
In Japanese business, stability is everything. A company that can't manage its own domain is a company that likely can't manage a B2B partnership. Skip the free email lists and invest your time in finding the real domains. It’s the difference between closing a deal and getting your email caught in a spam filter. | | LinkedIn Sales Navigator | Contact export
Legitimate, registered companies operating in Japan almost exclusively use the .co.jp domain suffix. This domain is strictly regulated. Only registered corporations (Kabushiki Kaisha, Godo Kaisha, etc.) can secure a .co.jp address, and a company can only hold one.
Using free, personal email accounts for business is considered a security risk. If such an account is compromised, a malicious actor can gain access to sensitive business correspondence and potentially send fraudulent emails from a trusted (but compromised) account.
Before attempting to send cold emails to any list compiled under these keywords, it is critical to understand Japan's anti-spam laws. Japan enforces some of the strictest email marketing regulations in the world.
: This act mandates the secure handling of any personal data collected, including email addresses that identify individuals within a company. 💡 Best Practices for Cold Email Outreach in Japan