Tomoko Matsuoka
Tomoko Matsuoka
Managing Editor & Writer
Tomoko Matsuoka is a managing editor and writer for MailMate, Shoeboxed, and a number of online resource libraries. She writes guides on life in Japan and covers Japanese business news, digitalization, and productivity tools and software.
Sole Proprietorship in Japan: Your Quickstart Guide
Business in Japan January 9th, 2026

Sole Proprietorship in Japan: Your Quickstart Guide

Here’s what to know about sole proprietorship in Japan.
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Tomoko Matsuoka
Tomoko Matsuoka Managing Editor & Writer
Nozei Shomeisho: Your Guide to Japan's Tax Certificate
Life in Japan, Money Matters in Japan December 26th, 2025

Nozei Shomeisho: Your Guide to Japan's Tax Certificate

Nozei shomeisho (納税証明書) is a document that serves as proof of payment of taxes in Japan. Read on for a quick explanation of what it is and how to get one.
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Tomoko Matsuoka
Tomoko Matsuoka Managing Editor & Writer
How to Freelance in Japan [Your Paperwork Checklist]

How to Freelance in Japan [Your Paperwork Checklist]

Interested in how to freelance in Japan as a foreigner? Specifically, what paperwork do you need to complete to make it official?
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Tomoko Matsuoka
Tomoko Matsuoka Managing Editor & Writer

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