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Professional Outsourcing Solutions, Inc.
1992-01-01
Accounting services
Payroll services
Tax & CPA services
Outsourcing services for Japanese companies
Data processing and business activity reporting
Accounting and tax management services
Payroll Outsourcing Solutions
POSI Accountancy, P.C.
Accounting & Payroll Outsourcing
Tax & CPA Services
Los Angeles HQ
Mayet Alegria
Company name
Group Parent Subsidiary Customer Supplier Alliance Bank Shareholder
POSI Accountancy, P.C.
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group Subsidiary Alliance
Payroll Outsourcing Solutions, Inc.
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group Subsidiary Alliance
HLS Global
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group
POSI &HONGO TSUJI Inc.
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group
POSI Accountancy Corporation
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group
POSI Tax and Consulting, S.C.
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group Subsidiary
Shimomura & Co CPAs
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group Subsidiary
辻・本郷株式会社
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Group Subsidiary
Hongo Tsuji Group
Group company Parent Subsidiary Customer Supplier Alliance Bank, lending and credit Investment, equity and shareholders
Alliance

8 entries
DateDescription
1990 １９９０年にHotta & Company を創立
1992 POSI Accountancy, P.C.は１９９２年の創立以来
2000 ２０００年にHotta Liesenberg Saito に改名
2002 ２００２年にそのアウトソーシング部門とペイロール部門を別法人として拡張
2002 2002年にニューヨークにShimomura & Co CPAsを設立。クラアントに寄り添ったきめ細かなサービスの提供をモットーに、ニューヨーク、ロサンゼルス、東京に拠点を構える総合会計事務所に成長させた。
2010 ２０１０年に勇退した
2011 翌年、POSIに参加し
2024-01 2024年１月にPOSIのメンバーとなることでグローバルリソースを活用し、国際企業の複雑なニーズにも応えられるような幅広いサービスの提供に取り組んでいる。
+ Loaded when opened
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2026-09-21 18:19 (Model: gpt-oss-20b(99) )
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