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Welcome to OCEAN Office

Our office is located in Urasoe City (next to Naha) Okinawa Japan. Okinawa is located southern of Japan and subtropical zone like Miami City Florida US.

Immigration procedures are very important for legal and peaceful life in Japan.

But immigration procedures are not only very complicated and difficult but also too much spend your time.

So we ease a your burden on these procedures and support your legal and peaceful life in Okinawa.


If you establish a company in Okinawa, we support these procedures and advise Japanese labor, social insurance and company laws.


Estimation is free!!

If you have any questions, please do not hesitate.


For more information, please contact

TEL: 098-878-2028  
FAX: 098-988-1996

(If I am absence, please leave a massege to answering machine. I will call you back.)
E-mail: oceansroffice

Please replace with @. For prevention spam mail. Thank you for your understanding.



Representative: Tsunehiko Oshiro

Administrative procedures specialist(Gyoseishoshi 行政書士)
License No. 09472102

Immigration Agent 
Registration No. (
那)行103 Fukuoka Immigration Bureau
Naha branch office

Labor and Social Security Attorney (Shakaihoken-Romushi
社会保険労務士)License No. 47090009

Belonging Associations
Administrative procedures specialists Association (沖縄県行政書士会)

Okinawa Labor and Social Security Attorney Association (沖縄県社会保険労務士会)


Worked for US Military Bases in Mainland Japan (Tokyo Area) as Japanese civilian local national staff.

Sagami Depot (US Army) as security guard,
Yokota Air Base (US Air Force) as vehicle dispatcher, Yokosuka Naval Base (US Navy) as occupational safety and health specialist.

While I was in US Military Bases, I acquired license of Administrative procedures specialist (Gyoseishoshi
行政書士) and Labor and Social Security Attorney (Shakaihoken-Romushi 社会保険労務士).

Backed to Okinawa and have opened OCEAN Labor and Immigration Consulting Office

To second page in English

Representative Tsunehiko Oshiro (Mr.)
Niraikanai Bridge at Nanjo City
Churaumi Aquarium at Motobu Town
Nakijin Castle site at Nakijin Village