RSM Japan Tax Co., part of RSM Japan for the tax compliance and consulting as a separate licensed entity, is passionate about working closely with the clients and reliable partners in business. Originally we started our practices in 1998 and then become a tax corporation under the Certified Public Tax Accountants’ Association in 2013. (The Japanese registered name: Tokyo XBorder Tax Co.)

We offer valuable expertise, combining our local knowledge with the expertise of our global network of professionals. This in-depth knowledge of our clients’ businesses allows us to address their specific needs, to identify future challenges, and to find new opportunities for them to grow.

Our clients range from entrepreneurs to medium/small sized corporations. Our wide range of services is addressed to Japanese individuals or companies which invest overseas, or foreign individuals or companies who have been or are interested in investing Japanese markets.  Our offer for international clients includes high quality tax compliance, tax consulting, outsourcing and payroll documentation services.

We are very responsive and supportive of our clients at every stage of their business. We share our knowledge and experience helping our clients to achieve their business goals in the most effective and safe way.

Please feel free to contact us when you need any assistance.

Corporate nameRSM Japan Tax Co.
Date of establishmentOctober 2015
Capital5,050,000 Yen
AddressShinjuku i-Land Tower 43F, 6-5-1 Nishi-shinjuku,  Shinjuku-ku, Tokyo, Japan
Managing partnerAkinaga Murayama (CPA/Certified Tax Accountant)
Partners3 people (all CPAs/Certified Tax Accountants)
Other licensed staff5 Certified Tax Accountants, US CPA and others
CertificateISO27001 registered

1998 Established Murayama CPA Office

2000 Joined Nexia International

2007 Joined RSM International

2013 Changed to a Tax Accountant Corporation

2015 Changed firm name to RSM Japan Tax Co.

The RSM Network

RSM Japan Tax is a member of the RSM international network.

Wherever in the world your business is going, you need constant access to rapid relevant answer and a fast-moving team by your side.

RSM is the one of the world's leading audit, tax, and advisory networks of independently owned and managed professional service firms.

With a global reach and local prospective, RSM member firms deliver innovative solution, helping you see further, adapt faster and grow


Get in touch and discover how we can help you get connected for success.