Masayo INAMI

Certified Tax Accountant

After working for foreign companies, she joined an accounting firm and became a certified tax accountant in 2011. In 2020, she established her own tax accounting firm in Yokohama.

She provides the following services primarily to foreign-affiliated companies, corporations established by foreign nationals, and individual foreign clients:

• Corporate tax and accounting services

• Individual income tax returns

• Inheritance tax returns (including international inheritances)

• Payroll services

Her clients operate in a wide range of industries, including import/export, retail, professional services, software, hotel operations, and automotive-related businesses.

Issei AOKI

Certified Public Tax Accountant & Certified Public Accountant

After working at a Big4 auditing firm where he was involved in accounting audits and advisory services for financial institutions and public sector clients, Aoki Issei relocated to Singapore. There, he supported Japanese companies entering the Singapore market, assisting with entity establishment, withdrawal procedures, and accounting and tax matters at a local accounting firm.

Later, he served as CFO of a Thai subsidiary of a Japanese company, where he was responsible for accounting, tax compliance, cash flow management, and HR operations.

In 2023, Aoki established Aoki International Tax & Accounting Office in Yokohama. Today, he provides professional services to support Japanese companies expanding overseas, Japanese individuals relocating abroad, foreign nationals doing business in Japan, and cross-border individual tax matters.

He also works with many foreign clients who are starting new businesses in Japan, providing advice on tax structuring from the incorporation stage. In addition, he assists individual foreign nationals with their Japanese tax filings, including matters such as foreign tax credits and the application of tax treaties.

Yumiko Kamioka

Labor and Social Security Attorney

After 16 years of experience in human resources at foreign banks and securities firms, she established her own practice as a certified Labor and Social Security Attorney.

She specializes in HR and labor matters for foreign-affiliated companies, businesses established by foreign nationals, and organizations that employ foreign staff.

When starting a company and hiring employees in Japan, you’ll need to complete the following steps:

• Social insurance registration
• Preparation of employment contracts

If you employ 10 or more people, you are also required to:

• Create employment rules in line with employment contracts

Kamioka can help: she supports business owners in creating a great environment for employees to work.

Yumiko Kasama

Gyoseishoshi (Certified Administrative Procedures Legal Specialist)

Registered as a Gyoseishoshi in 2013.

She runs Gyoseishoshi Kasama Yumiko Office located in Kawasaki, Kanagawa to provide supports on immigration issues as below for Foreign nationals who wish to live in Japan. (Mainly Kanagawa prefecture incl. Yokohama, and Tokyo. Other districts are also available.)

She assists with:

• Acquiring Business Manager visa etc. to run your business in Japan
• Inviting your family members (like your spouse or/and children) to Japan
• Employing non-Japanese staff in your company in Japan
• Getting married with a Japanese national or a resident in Japan
• Getting status of residence as Permanent Resident
• Changing your status of residence
• Extending period of your stay
• Naturalization

Azumi Johnson

Shiho-Shoshi (Solicitor)

Since 2016, she has been a practicing Shiho-Shoshi (Judicial Scrivener/Solicitor) with a strong focus on corporate legal matters. She began her career at a major Shiho-Shoshi office in Tokyo, where she gained extensive experience in a wide range of corporate registrations, including company formation, amendments, stock options, different classes of shares, corporate restructuring, and dissolution.

In 2020, she established her own practice in Yokohama. She regularly assists foreign nationals and international companies with their registration procedures and is highly proficient in handling the unique legal requirements that apply to them. Her office provides consultation and support for clients looking to set up a company in Japan.

Yuji Tsuruno

Certified Administrative Scrivener, Certified Management Consultant

After working at a general trading company, he founded his own firm in 2008. As a certified administrative scrivener, he specializes in visa application procedures for foreign companies entering Japan.

Another strength is his ability to provide advice from a management consultant perspective on matters such as business planning for startups.

Kei Sumikawa

Attorney at Law

An attorney based in Kanagawa, Japan, providing legal services in English.

Positions: 
– President: Kawasaki Branch, Kanagawa Bar Association
– Past Vice President: Kanagawa Bar Association
– Board Member: Kawasaki International Association
– Visiting Professor: Yokohama National University