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Asia Alliance Partner Co., Ltd.

Overview

Company Name
Asia Alliance Partner Co., Ltd.
President
Susumu Kitsunai, CPA (Japan)
Address
1 Vasu 1 Building, 12th Floor
Soi Sukhumvit 25, Sukhumvit Road
Khlong Toei Nuea, Watthana
Bangkok 10110, Thailand
Established
September 2004
Personnel Structure
Total staff: 228
(including 15 Japanese professionals; 54 staff from PAS)
4 Japanese Certified Public Accountants
5 Thai Certified Public Accountants
(affiliated with PAS)
1 Japanese-qualified attorney
1 Thai-qualified attorney
104 accounting professionals
54 audit professionals
Japanese business coordinators:
Japanese nationals: 11
Thai nationals: 14
Other staff: 34
(As of December 2025)
Proven Track Record
519 Ongoing Clients
(excluding one-off engagements; including PAS clients, as of December 2025)
Affiliated Partners
Kitsunai Certified Public Accountants firm
Tsukada Accounting firm(International tax and accounting)
Global Overview Image
Global Overview Image

Service

A Trusted Partner Supporting the Growth of Japanese Companies in Thailand

Since our establishment in Thailand in 2004, we have provided comprehensive support—centered on accounting and tax services—for the market entry of more than 1,000 Japanese companies. Today, we operate one of the largest Japanese accounting firm platforms in Thailand, delivering high-quality professional services.

  • Business Setup &
    Market Entry

    We assist clients in organizing their business scope, reviewing foreign ownership regulations, structuring capital and market entry models, and preparing required application documents to enable the fastest possible business launch. Including support for BOI applications, we provide end-to-end assistance for the establishment and long-term development of overseas business operations.

Management
Team

  • Management Team Image
    Asia Alliance Partner Co., Ltd. President

    SUSUMU KITSUNAI

    Qualifications
    Certified Public Accountant (Japan)
    Year of Birth
    1974
    Education
    Bachelor of Economics, Department of Economics, Tokyo Metropolitan University (1997)
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    Career

    1997
    Graduated from the Faculty of Economics, Tokyo Metropolitan University
    After passing the second-stage examination for Certified Public Accountants, joined Deloitte Touche Tohmatsu LLC, Tokyo Office
    2002
    After leaving the firm, established Kitsunai Certified Public Accountants firm in Shinjuku, Tokyo.
    Engaged in consulting services for companies expanding into Thailand, as well as statutory audits in Japan across a wide range of industries, including manufacturing, wholesale, advertising agencies, and securities firms, and audit services for real estate funds.
    2003
    Joined the BDO Group, Bangkok Office (Thailand).
    Engaged in consulting services for Japanese companies expanding into Thailand, as well as accounting and tax outsourcing services and audit coordination services.
    2004
    With the aim of delivering higher-quality professional services, left the firm and established Asia Alliance Partner Co., Ltd. in Bangkok, Thailand.
    Since then, has been providing accounting, tax, and legal services to Japanese mid-sized companies operating in Thailand, as well as companies newly entering the Thai market.
    2007
    Established Asia Alliance Partner Japan Co., Ltd. to support Japanese headquarters of companies expanding into Asia.
    2009
    Established Asia Alliance Partner Vietnam Co., Ltd. to support Japanese companies expanding into Vietnam.
    2011
    Established PT. AAP Consulting Indonesia to support Japanese companies expanding into Indonesia.
    2014
    Established Global Japan AAP Consulting Private Limited in India.
    2015
    Established Asia Alliance Partner Mexico S. de R.L. de C.V. in Mexico.
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  • Management Team Image
    Asia Alliance Partner Co., Ltd. General Manager
    AAP Capital Co., Ltd. President

    CHAKKRIT PUMPAISANCHAI

    Qualifications
    Ph.D. in Economics
    Year of Birth
    1977
    Education
    Ph.D. Program in Economics, Graduate School of Economics Hitotsubashi University (Completed in 2006)
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    Career

    After graduating from the Faculty of Commerce and Accountancy at Chulalongkorn University with First Class Honors in 1999, he joined Bangkok Bank, where he was engaged in bond issuance and corporate lending operations.
    In 2000, he left the bank and enrolled in the Master’s program at the Graduate School of Economics, Hitotsubashi University, as a scholarship student of Japan’s Ministry of Education. He completed the doctoral program in 2006 and was awarded a Ph.D. in Economics.
    Following his return to Thailand in 2006, he joined Amata Corporation. As a Business Development Manager, he supported market entry and business operations for Japanese companies located in Amata Industrial Estates, while also being involved in the management of the company’s industrial estate business in Vietnam.
    In August 2009, he joined Kasikornbank, where he served as an Assistant Vice President, responsible for corporate lending to large enterprises.
    Since December 2010, he has been a member of the AAP Group. He currently serves as Managing Director of AAP Capital Co., Ltd. and General Manager of Asia Alliance Partner Co., Ltd.

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Professionals

  • Professional Auditing Service Co., Ltd.  Audit Partner

    NATTHAPOL MUSIKAPARN (Tum)

    Qualifications
    Certified Public Accountant (Thailand)
    Certified Public Accountant (Cambodia)
    Year of Birth
    1978
    Education
    Bachelor’s Degree, Faculty of Accounting, Burapha University
    Bachelor’s Degree, Faculty of Political Science, Ramkhamhaeng University
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    Career

    He graduated from the Faculty of Accounting at Burapha University in 2002 and the Faculty of Political Science at Ramkhamhaeng University in 2000.
    In 2000, he joined the Thailand office of BDO International, where he was engaged in audit services for a wide range of industries, including manufacturing, construction, healthcare, and real estate.
    After gaining further experience at the Thailand office of the RSM Group, he joined McMillan Woods (Thailand) as an Audit Partner.
    Since 2010, he has served as an Audit Partner at Professional Auditing Service Co., Ltd., and currently holds the position of Managing Director.

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  • Asia Alliance Partner Co., Ltd. Senior Manager
    Professional Auditing Service Co., Ltd. Executive Director

    MICHITERU NARA

    Qualifications
    Certified Public Accountant (Japan)
    Year of Birth
    1981
    Education
    Bachelor of Commerce, Keio University (2003)
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    Career

    He graduated from the Faculty of Business and Commerce at Keio University.
    After passing the Certified Public Accountant Examination in 2007, he joined ShinNihon Audit Corporation (currently EY ShinNihon LLC).
    He was a member of the Financial Services Department, where he engaged in audit services primarily for financial institutions, including trust banks, credit guarantee companies, securities firms, life insurance companies, non-life insurance companies, and regional banks.
    In March 2012, he joined the AAP Group.

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  • Asia Alliance Partner Co., Ltd. Manager
    Professional Auditing Service Co., Ltd. Director

    KAYO MITSUDA

    Qualifications
    Certified Public Accountant (Japan)
    Education
    Bachelor of Commerce, Osaka City University
    Professional Experience
    Joined the AAP Group in March 2022
  • Asia Alliance Partner Co., Ltd. Manager
    Professional Auditing Service Co., Ltd. Director

    YUKO MURATA

    Qualifications
    Certified Public Accountant (Japan)
    Education
    Bachelor of Commerce, Keio University
    Professional Experience
    Joined the AAP Group in October 2016

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