Corporate Tax
Corporate Tax
From bookkeeping to closing and tax filing, our specialists carefully manage your day-to-day tax operations and help build a solid financial foundation.
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Aquamarine Consulting Group
Bringing together expertise
Bringing together expertise
for the right answer.
Based in Osaka, we support corporate and inheritance tax, plus HR & labor and business consulting through our group firms — in Japanese, English, Chinese, Korean and Vietnamese.
500+
Client Companies
5
Languages Supported
Japanese, English, Chinese, Korean, Vietnamese
3
Areas of Expertise
Tax, Labor, Management Support
0¥
First Consultation
Free — talk to us first
About Aquamarine
Bringing together expertise
Bringing together expertise
to deliver the right answer.
Aquamarine Consulting Group (ACG) brings together Aquamarine Tax Accountant Corporation at its core, along with our consulting company and certified labor consulting office. From corporate and inheritance tax to HR & labor and business support, the group handles it all in one place — every question a growing business faces.
No one should be left without someone to turn to simply because of language or nationality. That belief is why we support English, Chinese, Korean and Vietnamese alongside Japanese.
- ✓Experienced specialists across corporate tax through inheritance tax
- ✓Support in five languages: Japanese, English, Chinese, Korean, Vietnamese
- ✓Extensive experience with foreign business owners and cross-border companies
- ✓Long-term, referral-based relationships built on trust
Our Strength
Three reasons clients choose us.
01
Global Capability
Foreign business owners and companies with overseas operations are supported by a specialist team fluent across five languages.
02
Integrated Expertise
From corporate tax to inheritance tax, and on to HR & labor and business consulting through our group firms — one team, every discipline, one point of contact.
03
Trust & Referrals
We value every introduction from our clients, and build long-term trust by treating each consultation with genuine care.
Services
Four specialties. One dedicated team.
From corporate tax to inheritance, HR and business challenges — our specialists support you end to end.
Inheritance Tax
Inheritance Tax
From filing inheritance tax to advance estate planning, we help pass on what matters most to the next generation, smoothly and with care.
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HR & Labor
HR & Labor Consulting
From workplace regulations to labor management and social insurance procedures, we work alongside certified labor consultants to support you end to end.
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Business Consulting
Business Consulting
From cash flow to business planning and operational improvement, our numbers-driven specialists support your key decisions as a business owner.
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Experts
Meet Our Experts
Specialists in tax and business strategy — ready to take responsibility for your consultation.
Representative / CPA & Tax Accountant
Yutaka Uehara
A Certified Public Accountant and Tax Accountant advising on everything from accounting to tax. Extensive experience supporting foreign business owners and companies with overseas transactions.
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Tax Accountant
Shinji Matsunaga
Advises both corporate and individual clients across a wide range of tax matters, with practical guidance tailored to each client's situation.
Inheritance Tax Services →
"Whatever your language, whatever your nationality — we want to be the kind of team you can consult with complete peace of mind." — Aquamarine Consulting Group
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Get to know Aquamarine
Meet the people behind our work and hear what drives us — in our own words.
News
NoticeWe have launched our new corporate website, now available in five languages.
Column
Insights & Articles
Practical knowledge on tax and business, explained clearly by our specialists.
Consumption tax practicalities after the invoice system: key points to watch
Our tax accountants explain the practical pitfalls businesses still run into after the rollout.
Expanded social insurance coverage: what employers should prepare now
A look at what's changing and the practical steps businesses should take ahead of time.
Inheritance tax: where to start and three things to check first
A guide to the filing process and key points to keep in mind so you're not caught off guard.
Faq
Frequently Asked Questions
Yes. Your first consultation is completely free. Please feel free to contact us.
Yes, our staff support English, Simplified Chinese, Korean, and Vietnamese. Please let us know your preferred language when you contact us.
We are based in Osaka and support clients nationwide through online meetings.
Absolutely. Our multilingual staff are happy to support foreign business owners and companies with overseas dealings on their Japan-based tax and accounting needs.
Yes. We support individual clients on inheritance tax matters, not only corporate clients.
Please contact us by phone, email, LINE, or WeChat — whichever is most convenient. In-person and online meetings are both available.
Contact
Let's talk — no obligation.
From corporate tax to inheritance and business matters, our specialists are ready to help.
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LINE
@730qfuoo
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Aquamarine Tax Corp.
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Aquamarine Consulting Group
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Business Information
Business Hours
Weekdays 9:00-18:00 JST
Closed
Public holidays, New Year holidays, Sat & Sun
Address
8F Uehommachi Building, 6-9-14 Uehommachi, Tennoji-ku, Osaka 543-0001, Japan