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About us

Our impact reaches far beyond our clients' accounting needs. We work with our clients to explore revenue-growing and cost-saving strategies. We serve as the bridge between differing cultures and business environments so that our clients feel confident investing and operating in the United States.

Our Services

Fundamental to our philosophy is our commitment to clients and our understanding of their needs for personal and quality services. At TOPC Potentia, you will find that our professionals are enthusiastic and eager to help our clients achieve their goals. We are devoted to ensuring that our clients get the best quality of services possible.

we have provided prompt and courteous professional services throughout the United States. The firm has prospered over the years by offering clients comprehensive assurance, accounting, tax and consulting services.

新型コロナウイルス影響下での対応

March 25, 2020

コロナウィルスの拡大が世界中で急激に進み、皆様におかれましても各地で深刻な事態に直面されていることとお見舞い申し上げます。弊社のあるロサンゼルスにおきましても、学校の休校、レストランなど人が集まる場所での営業制限、イベントの中止など社会全体に大きな影響が出ております。この未曾有の状況下で会社を運営さ...

Foreign Tax Credit

July 19, 2018

米国納税者番号(Individual Tax Identification Number=ITIN)の取得について

June 30, 2018

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