Accounting, tax, payroll, and administrative support for foreign businesses operating in Japan.
OUR MISSION
ORANGE Tax Advisory helps international businesses handle tax, accounting, payroll, and back-office administration in Japan with confidence. We combine structured support, practical guidance, and clear English communication so business owners can focus on growth, strategy, and decision-making.
As your operations expand, back-office work can become more complex, time-consuming, and difficult to manage across languages, systems, and local requirements. Our team provides practical, reliable support tailored to the realities of doing business in Japan.
We support foreign-owned companies, overseas subsidiaries, startups, and English-speaking founders who need a dependable partner for day-to-day operations in Japan.
OUR BUSINESS
Integrated accounting, tax, payroll, and administrative support for companies operating in Japan — delivered with clear communication, practical guidance, and dependable execution.
Maintain accurate, organized, and up-to-date records with reliable day-to-day accounting support — from bookkeeping and expense processing to monthly closing.
Navigate Japanese tax and compliance requirements with clear processes and coordinated support — from tax assistance and document preparation to ongoing compliance management.
Support your employees and operations with reliable payroll and routine HR administration — including social insurance procedures and HR documentation.
Reduce operational burden with practical support for everyday business administration in Japan — including invoice support, document management, and workflow support.
Maintain accurate, organized, and up-to-date records with reliable day-to-day accounting support — from bookkeeping and expense processing to monthly closing.
Navigate Japanese tax and compliance requirements with clear processes and coordinated support — from tax assistance and document preparation to ongoing compliance management.
Support your employees and operations with reliable payroll and routine HR administration — including social insurance procedures and HR documentation.
Reduce operational burden with practical support for everyday business administration in Japan — including invoice support, document management, and workflow support.
WHY ORANGE
Work with professionals who communicate clearly in English and understand the practical realities of operating in Japan.
Enjoy a straightforward support structure with a dedicated point of contact and clear updates on progress.
Rely on a team-based approach that reduces dependence on any single person and helps ensure continuity, stability, and consistent service.
Build clearer workflows, improve visibility, and create an operational structure that can scale as your business grows.
OUR PROCESS
We learn about your workflow and current challenges.
We set the right task range and communication flow.
We begin with clear execution and steady coordination.
We adapt the structure as your business evolves.
温井 德子Noriko Nukui
Born in Edogawa, Tokyo, Japan, she is a graduate of WASEDA University Graduate School and the founder of ORANGE Tax Advisory.
Following her experience at a private tax accounting firm, she established her own practice, providing tax advisory and business consulting services to a diverse range of clients, including domestic and international companies, mid-sized businesses, nonprofit organizations, and public interest corporations. Her professional experience also includes serving as an auditor for nonprofit organizations and public interest corporations, as well as preparing tax returns for independent administrative agencies.
She is regularly invited by financial institutions to speak at seminars and training sessions on finance and business management. Drawing on her extensive experience across a wide range of industries, she offers practical, business-oriented advice tailored to each client's needs.
In recent years, she has increasingly worked with international clients, providing tax advisory services and comprehensive back-office support in Japan. She is committed to delivering responsive, reliable, and high-quality services that help clients navigate Japan's tax and accounting requirements and manage their businesses with confidence.
| Company | ORANGE Tax Advisory（税理士法人 オランジェ） |
|---|---|
| Representative Partners | Noriko NUKUI, CPTA (Reg. No. 96152) Nobuhiro OBATA, CPTA (Reg. No. 92750) |
| Office | Tokyo-Yaesu Office：TowaYaesu Bldg. 9F, 3-4-16 Nihonbashi, Chuo-ku, Tokyo 103-0027 |
| Tel | +81-3-6225-2665 |
| Services |
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| Established | 2016 |
| Staff | 10 members |
| Memberships |
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English-language services are provided only at our Tokyo-Yaesu office.
CONTACT
Tell us about your business, your current challenges, and the kind of support you need in Japan. We welcome inquiries from overseas companies, foreign-owned businesses, and English-speaking business owners.
Contact Form