About Us & Access

An introduction to the overview, history and access of Higashinihon Tax Accountant Corporation.

Higashinihon Tax Accountant Corporation

Name
Higashinihon Tax Accountant Corporation — Tax Accountant Corporation No. 12, Tokyo Certified Public Tax Accountants' Association No. 3
Address
75 Yaraicho, Shinjuku-ku, Tokyo 162-0805
Contact
Tel. 03-3513-7622
Established
April 2002
CEO & Representative Partner
Eiichiro Osa — Certified Public Accountant (JICPA No. 21712), Certified Public Tax Accountant (Tokyo Certified Public Tax Accountants' Association No. 112407)
Deputy Director
Shigeru Sakata — Certified Public Tax Accountant (Tokyo Certified Public Tax Accountants' Association No. 94366)
Staff
17 (as of September 2026)
Certified public tax accountants: 10
Certified public accountants: 1
Passed tax accountant exam subjects: 2
Certified social insurance and labor consultants: 2
Healthcare Management Specialist, Level 1: 3
Healthcare Management Specialist, Level 2: 8
Healthcare Management Specialist, Level 3: 12
History
1976 — Takashi Osa CPA Office opened in Tokorozawa, Saitama
1998 — Office moved to Ikebukuro, Toshima-ku, Tokyo
2002 — The tax division of Takashi Osa CPA Office was incorporated as Higashinihon Tax Accountant Corporation
2007 — Office moved to Yaraicho, Shinjuku-ku
2016 — Eiichiro Osa became Representative Partner

Access

By train (Tozai Line, Kagurazaka Station)

About 3 minutes' walk from the station
Take the Yaraicho exit and go straight along Ushigome-chuo-dori.
Turn left at the Yaraicho-minami intersection (at the corner with a sushi restaurant); we are on the ground floor of the third building from the corner, a three-story building.

Leave Kagurazaka Station (Tozai Line) by Exit 2.
From Exit 2, cross the crosswalk in front of you and walk up the hill with the station behind you and la kagu on your left.
Pass the Shinchosha buildings on both sides. When you see a sushi restaurant on your left and Yaraicho ENT Clinic on your right, turn left at that intersection.
Walk with the sushi restaurant on your left and an apartment building on your right; our office is on the ground floor of the third building, a white three-story building on your left.

By train (Oedo Line, Ushigome-kagurazaka Station)

About 5 minutes' walk from the station
Take Exit A1 and turn right onto Okubo-dori, then turn right at the Ushigome-kitamachi intersection and go up Ushigome-chuo-dori.
Turn right at the Yaraicho-minami intersection (at the corner with a sushi restaurant); we are on the ground floor of the third building from the corner, a three-story building.

Take Exit A1 toward Yaraicho.
Turn right immediately after the exit and walk straight for about 300 m, passing Ushigome Tansu Community Center and Tully's Coffee on your right.
At the Ushigome-kitamachi intersection, turn right at the corner with a ramen shop and walk up a gentle slope for about 300 m.
Continue straight, passing Obunsha and FamilyMart on your right.
When you see a sushi restaurant ahead, turn right.
Walk about 50 m and our office is on your left.

By car (parking available)

5 minutes from the Nishi-Kanda entrance of the Shuto Expressway
About 30 minutes from Haneda Airport

Consultations & Inquiries

Please feel free to contact us about tax and accounting for medical corporations, corporate systems, lecture requests and more.

TEL 03-3513-7622

Weekdays 9:00–17:00 (closed weekends and national holidays)

Contact form