Hiroyuki Tajima
CPA of Japan
After graduating from university and passing the second stage of the CPA examination, he joined Ernst & Young ShinNihon LLC.
He engaged in statutory audits and IFRS implementation support services for four years until 2018.
Upon obtaining his CPA qualification, he aspired to specialize in ASEAN-related accounting services and joined a local accounting firm in Thailand.
In 2020, he was appointed as a Director of the group’s Indonesian subsidiary.
After completing his term as Director at the Indonesian office, he established his own accounting firm in Thailand and assumed the position of Director, providing one-stop accounting, tax, legal, and audit services primarily to Japanese companies operating in Thailand.
In 2023, he joined Nihon-bashi International Accounting Firm.
（Professional Experience）
2014: Joined Ernst & Young ShinNihon LLC
2017: Established Tajima International Accounting Office (Japan / Indonesia)
2018: Joined Asia Alliance Partner Co., Ltd. (Thailand)
2020: Transferred to PT. AAP Consulting Indonesia; Appointed Director (Indonesia)
2023: Established AT International Co., Ltd.; Appointed Director (Thailand)
2023: Joined Nihon-bashi International Accounting Firm
2024: Partner at J-Bridge International Audit Firm
（Qualifications）
Certified Public Accountant (Japan) (Registration No. 37299)
Indonesian Tax Certification: Brevet AB and C