Hallisey & D’Agostino, LLP is a full-service public accounting firm offering a wide array of accounting, tax, and advisory services to individuals and small to mid-size closely-held businesses located throughout Connecticut.

Accounting & Financial Reporting

Whether it’s assisting with routine bookkeeping issues or advising on a complex transaction during an audit, we have the skills and resources necessary to help you produce accurate, high-quality and timely financial information.

Tax Planning & Compliance

Tax laws and regulations are in a constant state of flux and we recognize that in addition to experience, staying up-to-date on current developments is critical in creating a comprehensive tax strategy.

Business Advisory

From start-ups to established enterprises, businesses at every phase need sound advice to navigate operational challenges, succession planning, and an ever-changing regulatory landscape.


Achieving your financial goals and ultimately a secure retirement requires discipline and the right mix of personalized wealth accumulation and preservation strategies, including tax minimization and trust & estate planning.

Journal Of Accountancy News

Latest News from Journal Of Accountancy

The changing of a 35-year-old practice involving Treasury regulations was among the news reported on the JofA online recently. Other reports dealt with identity theft and data breaches, innovation and risk management, and changing accounting standards. See how much you know about the news with this short quiz.
Posted: April 19, 2018, 12:00 pm
Having too large a tax refund, or having to pay too much in taxes, can be a sign that your financial plan needs revising.
Posted: April 19, 2018, 11:00 am
The Supreme Court heard oral arguments in a case with broad remote sales tax collection ramifications.
Posted: April 18, 2018, 6:25 pm