WE ARE HERE TO HELP YOU ACHIEVE
YOUR MOST AMBITIOUS GOALS
We’re Otani Accounting Office and we provide tax & accounting support for both domestic and foreign clients here in Japan. Our story began in 1983.
Back then, we were a single tiny office providing our services to domestic clients only.
Today, we are one of the leading accounting firms supporting multiple businesses around the globe. We love what we do and here you can learn why.
PROVIDING A COMFORTABLE BUSINESS
ENVIRONMENT FOR GLOBAL CLIENT
Here at Otani Accounting, we always wonder how far the notorious principle “When in Rome, do as Romans do” should extend to international business
Ever since the company foundation, we’ve seen thousands of foreign business, people, struggling with tax and accounting issues, let alone being able to read the forms or get professional advice in English.
We are not conventional. We aim to be different. OAO has made it its purpose to support foreigners to make them feel as if they’re practicing in their home country.
We exist in Japan. For foreigners. By foreigners.
David Otani, Director of International Department
We have over 38 years of experience in proving tax, accounting
and payroll services.
From a single office established in 1983, we have grown into one of the leading accounting firms in Japan which supports foreign businesses.
Otani Accounting Office has found its niche, and we will continue to grow our business by helping you grow yours.
Establishment of the Japanese Office
Japanese Department paved the way for the humanity and sincerity
approach to doing our business. All types of clients matter.
Regardless of the business field and company size, we are always
eager to support our clients by providing efficient solutions for
The reason why we were able to proceed and grow our business lies at the root of the company attitude towards clients, which was initially developed together with the establishment of the Japanese Office.
2013Foundation of the Chinese Department
We started handling clients coming from mainland China, Taiwan,
Hong Kong, and Brazil.
Our founder’s knowledge of and experience in International Political Science, which he studied in Taiwan, enabled us to handle International Taxation in the early years of its existence.
It has also become one reason we could aspire to become English service providers to our clients.
2017International Office Establishment
We became the first office to provide English service at an
average market price for foreign entrepreneurs.
This milestone allowed our clients to enjoy the tax benefits and eliminate the language barrier, thus ensuring compliance with the Japanese Tax Regulation. After Covid-19, our service became popular among foreign investors because of the relationship between service quality and service price.
Our motto has been and will always be: « High-quality service at a reasonable price. »
TodayTogether towards common goal
We’ll dedicate all our knowledge, skills, and experience to build
and maintain the bridge between foreign clients and the Japanese
We can do that because we share an ambition to build a successful future with each and every client we work with. We are your trusted partner, with a commitment to your business that does not emanate from a desire for profits.
OUR BRAND VALUES
With our commitment to fair trade principles, expertise to drive
transparency and the desire to embrace diversity, our values are
the fuel for our clients as they work towards their goal.
We emphasise transparency and are committed to an open relationship with our clients. Through this approach, we aspire to build a long-lasting relationship constructed on a strong foundation of trust.
We are committed to creating an adaptable environment that embraces cultural differences and is always open to new experiences. An environment that promotes equity and respects diverse traditions, heritages, and experiences.
Fairtrade is essential for international business. Securing the rights of foreign businesses and offering fair market prices – this is how we contribute to the sustainable development of Japan and foster its globalisation process.
OUR DREAM TEAM
こんにちは (Konnichiwa) and welcome to our team of international specialists and tax consultants. They are front line members you may want to speak to regarding your tax and consultancy needs. They excel not only in English, but also in Japanese, Spanish, French, German, etc., and are able to provide support in a language that is convenient for you.
THINK GLOBAL, ACT LOCAL
Having provided our services to over
3600 clients coming from 25 different
countries, we are here to erase borders
and language barriers to help you grow,
in Japan and beyond.
Ready to become our client?
Our CS team will provide you with an offer
based on the description of your inquiry