iAP Setting up and running a company in Japan brings a unique back-office challenge: you must comply with Japanese statutory accounting and tax rules while also reporting to your overseas headquarters—often in English and under US GAAP or IFRS. For many foreign-affiliated companies, outsourcing accounting and HR in Japan is the most efficient way to handle this. This guide explains what to outsource, the key challenges, and how to choose the right partner.
Why foreign companies outsource accounting and HR in Japan
- Hard-to-hire bilingual talent. Accountants who are fluent in English and fluent in Japanese statutory accounting are scarce and expensive to recruit and retain.
- Dual requirements. You need Japanese-standard books for tax filing and English reporting for the parent company—simultaneously.
- Frequent rule changes. Consumption tax, social insurance and labor rules change often; non-compliance is costly.
- Variable cost. Outsourcing converts fixed payroll into a flexible, on-demand cost that scales with your business.
What you can outsource
- Accounting & bookkeeping — daily bookkeeping, cash management, accounts payable/receivable, monthly closing.
- Tax — corporate tax, consumption tax and tax filing, in cooperation with licensed tax accountants.
- International accounting — US GAAP / IFRS / J-GAAP conversion, consolidated reporting and head-office reporting packages.
- Payroll & HR — payroll calculation, social insurance and labor procedures, and English payslips and HR policies.
The challenges that are unique to foreign-affiliated companies
Beyond routine bookkeeping, foreign companies in Japan often need US GAAP/IFRS conversion, transfer pricing documentation for intra-group transactions, and head-office reporting in English. These require not just accounting skill but genuine bilingual capability and international tax knowledge—exactly where many local providers fall short.
How to choose an outsourcing partner in Japan
- Proven bilingual (English/Japanese) capability, including head-office reporting.
- US CPAs, tax accountants and labor specialists who can cover US GAAP/IFRS and Japanese compliance.
- One-stop coverage from bookkeeping through closing, tax, payroll and HR—so data is managed consistently.
- Standardized, documented processes (manuals, KPIs) that avoid key-person dependency.
- Information security (e.g., Privacy Mark) and clear, transparent pricing.
How iAP supports foreign companies in Japan
iAP (Inter-Accounting Partners) is a Tokyo-based, fully bilingual team of US CPAs, tax accountants and labor specialists. We provide accounting and bookkeeping, international tax and US GAAP/IFRS, and payroll and HR outsourcing for foreign-affiliated and globally expanding companies—one-stop, in English and Japanese, on demand.
To discuss outsourcing your accounting, tax or HR in Japan, please contact us. We typically reply within one business day.
