Welcome to CS Planning

Japan Inheritance/Estate Consulting firm

-We have the perfect solution to every problem for each customer-

If you're struggling with dealing with international inheritance/estate and their issues, we have the best solutions for you. We provide professional services related to international inheritance/estate between Japan and the other countries.

Here at Financial Planning Office(FP) CS Planning, we put our global network to use in delivering a wide range of consulting services on inheritance and other procedures overseas.

Our services are expanding internationally, and our aim is to be the best specialized and global inheritance/estate planning and administration office in Japan as the provider of the solutions to your inheritance problems by offering “One Stop Financial Service.”

■ Services ■

  • Consulting

  • Drafting and Making documents in English or Japanese required

  • Translation (Death certificate, Agreement, Affidavit, Declaration, etc.)

  • Certification (Passport certification, ID certification, Apostille, Notarization, Embassy authentication, etc.)

  • Support to obtain Medallion Signature Guarantee

  • Support to obtain Transfer Certificate

  • Support to claim Unclaimed Property in US

※We will work with lawyers/ tax accountants / judicial scrivener offices if it is necessary in your case.

■ Examples of customers for our services ■

  • Business owners who had assets overseas

  • A person who has relatives died in overseas

  • A person who has foreigner heirs

  • A person who live overseas and do not have help for procedure for inheritance in Japan

  • Lawyer office / tax accountant office, etc.

■ Contact ■

Our office offers free 30 min consultation. Please email us now!

[ E-mail ] info*sasayama-jimusho.com

---> Please change * to @ when you send us your e-mail.

[Contact form] Contact Form

Office information

CS Planning


  • Representative: Chieko Sasayama

  • Address: Shimamori Bldg 8F, 1-40-1 Hiranuma Nishi-ku, Yokohama 220-0023 JAPAN

  • Tel: +81-(0)45-479-8752

[Qualification and License ]

  • Gyoseishoshi* (Registration #: 10091566)

  • Financial Planner(AFP - Affiliated Financial Planner)

  • Member of the Yokohama Chamber of Commerce and Industry

*Gyoseishosi is Certified Administrative Procedures Legal Specialist (CAPLS) appointed under the jurisdiction of Ministry of Internal Affairs and Communications in Japan.