Tono Tanami
and Kosada
Law Office
×
Alliance
JTJB
International
Lawyers
Japan–Thailand Practice / TOKYO ↔ BANGKOK ≈ 4,600 KM

Two legal systems,
one partnership.

From legal challenges of Japanese companies entering or operating in Thailand to Thai companies expanding into Japan — labor law, incorporation, BOI, contracts, and dispute resolution, handled one-stop with both Japanese and Thai law expertise. Three offices: Tokyo, Tochigi, and Bangkok.

Contact Us → Our Practices
N 35°FIG. 01 — MERIDIANE 139°
Tokyo
東京
N 35.69° · E 139.69°
日 タ イ
— Japan & Thailand —
Bangkok
バンコク
N 13.76° · E 100.50°
01 · TOKYO≈ 4,600 KMBANGKOK · 02
06
Practice areas
Practice Areas
03
Languages
JA · EN · TH
02
Offices
Tokyo · Bangkok
72h
Response
Within 3 business days
§ 01
Our Strengths

Three reasons clients choose us. Why our clients choose us.

I.

Consult in
JapaneseNo language barrier

We explain Thai legal systems and risks fluently in Japanese — without language barriers. A Japanese-qualified lawyer guides you from a Japanese business perspective.

II.

Deep
Thai law rootsRooted in local practice

Currently pursuing LLM at Chulalongkorn. Thai-law execution by JTJB International Lawyers, coordinated in Japanese for clarity.

III.

Built for
Japanese businessBuilt for Japanese enterprise

Understanding both Japanese commercial customs and Thai legal system — from incorporation to ongoing legal counsel.

§ 02
Three Routes

Which situation are you in? Three reader paths — pick yours.

TH
01

Japanese firms
in ThailandOn-the-ground operations

Resident managers / local executives

  • Labor · termination · work rules
  • PDPA · data protection
  • Contract review · disputes
  • General compliance
  • General corporate operations · retainer
Stage Steady-state
Related articles →
JP→TH
02

Japan → Thailand
expansionCross-border setup

JP HQ corporate planning

  • Entity selection
  • BOI / FBA compliance
  • Incorporation / Rep office
  • Contract fundamentals
Stage Consider · Launch
Related articles →
TH→JP
03

Thailand → Japan
expansionReverse cross-border

Thai business owners

  • JP corporate law · setup
  • Tax · transfer pricing
  • Visa · residency status
  • Trademark · IP
  • General corporate operations · retainer
Stage Consider · Launch · Steady-state
Related articles →
§ 03
Practice

Practice areas. Six practices, one team.

I.
Thai Labor LawLabor & Employment
Employment contracts, termination, labor tribunal, work rules, work permits — full HR / labor support for Japanese firms.
Detail
II.
Incorporation & BOISetup & BOI
Thai company setup, BOI promotion, FBA compliance, representative office, holding company structuring.
Detail
III.
ContractsDrafting & Review
Sales, service, distribution, NDA, license — drafting, review, JP/EN/TH translation.
Detail
IV.
M&A & InvestmentTransactions
Legal due diligence, SPA, JVA, investment structuring, closing procedures.
Detail
V.
Dispute ResolutionDisputes
Negotiation, mediation, THAC arbitration, Thai court litigation, labor tribunal, emergency injunctions.
Detail
VI.
Japan Entry & JP LawJapan Entry & Japanese Law
Japanese company setup, visa & immigration, JP-law contracts, real estate, cross-border succession — reverse-flow support too.
Detail
§ 04
The Alliance

Two firms, one team.

TTKEST. 2024
Tokyo · Tochigi

Tono Tanami
and Kosada
Law Office

Tokyo · Tochigi · Japan
JPTokyo / Tochigi · Tokyo Bar / Second Tokyo Bar
FOCUSCorporate · Labor · Succession · Disputes
TTK Visit official site ↗
×
Alliance
日 タ イ
JTJBEST. 2010
Bangkok

JTJB
International
Lawyers

Bangkok, Thailand
THCentral Bangkok · Thai-qualified attorneys
FOCUSCorporate / M&A / Tax / Disputes / Family
JTJB Visit official site ↗
3
LanguagesJapanese · English · Thai
2
OfficesTokyo × Bangkok
6
PracticesLabor · Setup · Contracts · M&A · Disputes · JP Law
∞
CoordinationIntegrated cross-border team
Japanese legal insight,
Thai legal practice — both supporting you.
Meet the team →
§ 05
Offices

Two offices, one practice. Tokyo · Bangkok.

N 35.6895° · E 139.6917°
Tokyo · 東京

Tono Tanami and Kosada Law Office
Tokyo Office

〒160-0022
2-15-22 Shinjuku, Shinjuku-ku, Tokyo
Landwork Shinjuku Bldg. 5F
Access 3-min walk from Shinjuku-sanchome Station
See full access details →
≈ 4,600 KM
N 13.7563° · E 100.5018°
Bangkok · กรุงเทพฯ

JTJB International Lawyers
Bangkok Office

Singha Complex Building 19F, Unit 1905
1788 New Phetchaburi Rd., Huai Khwang
Bangkok 10310, Thailand
Access 5-min walk from MRT Phetchaburi / ARL Makkasan
See full access details →
Tokyo · Bangkok offices
— Get in touch —

The first step starts
with a conversation。

We'll assign the right counsel based on the nature of your matter, and reply within three business days. All inquiries are handled under strict confidentiality.

Contact form →
ResponseWithin 3 business days
HoursMon–Fri 9:00–18:00 (Bangkok Time)
LanguagesJapanese · English · Thai
PrivacyHandled under strict confidentiality