Welcome to Thomas Brown CPA P.C.
Long Island Accounting and Tax Preparation Firm

As a
Long Island CPA firm, we focus our expertise on three main services: tax preparation, small business accounting and large corporation consulting.
Tax PreparationWe are your
Long Island Tax Preparation experts.
Whether your return is simple or a very complicated sole proprietorship, we give the same, high-level review to every return that we prepare. Call us to learn more about our tax preparation and tax planning services designed for you to minimize your tax liability.
Small Business AccountingOur
Long Island Small Business Accounting experts can assist you every step of the way, from start-up, QuickBooks to income statements and business tax preparation.
Large CorporationsAt Thomas Brown, CPA, P.C., we are a leading provider of the following services:
FAS 109 tax provision services;
FIN 48 consulting; and
consolidated tax return preparation, to some of
Long Island's largest companies.
We’re available any time to meet or discuss by phone the many important benefits that Thomas Brown, CPA, P.C. can deliver – expertise based on decades of experience and an unrelenting commitment to responsive service, enabling you to concentrate on growing your business.