Oak Admin Guides
Oak Admin Guides is a practical reference series designed to help international founders, companies, and professionals understand how business and immigration systems work in Japan and how those systems interact in the real world.
Rather than offering step-by-step legal instructions, Oak Admin Guides aim to explain the landscape as a whole, helping readers plan realistically, avoid common pitfalls, and ask better questions before committing time and resources to Japan.
Immigration in Japan
Understanding Japan's immigration system, legal roles, and how to work with professionals.
Immigration Lawyer in Japan
A nationwide guide to Japan's immigration system, the role of Gyoseishoshi vs Bengoshi, and common procedures.
Immigration Lawyer in Tokyo
Tokyo-specific guidance on immigration procedures and finding professional support in the capital.
Setting Up a Business in Japan
A comprehensive, interconnected guide to entering the Japanese market from structure selection to day-to-day operations.
Complete Guide Overview
Why Japan, who it's for, and how all the moving parts fit together.
Market Entry Structures
Representative offices, branch offices, and subsidiaries, choosing the right structure.
Incorporation
KK vs GK, capital requirements, directors, and what incorporation actually accomplishes.
Offices & Banking
Why substance matters, office options, and navigating corporate banking challenges.
Visas & Immigration
Founder visas, employee visas, and why immigration exposes weaknesses in setup.
Hiring & Employment
Employment law, contracts, termination, payroll, and social insurance.
Tax & Accounting
Corporate tax, consumption tax, and ongoing compliance obligations.
Relocation & Operations
Housing, service providers, and the day-to-day realities of operating in Japan.
Business in Japan FAQ
Answers to 50+ common questions about setting up and operating a business.