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 and the surrounding areas.

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

Investors continue to show a high degree of confidence that public company auditors are looking out for them, according to a new survey.
Posted: September 18, 2018, 11:00 am
The IRS announced that it is extending tax deadlines starting Sept. 7, 2018, until Jan. 31, 2019, for eight counties in North Carolina.
Posted: September 17, 2018, 5:15 pm
Natural disasters such as Hurricane Florence provide cybercriminals with an opportunity to cause further misery for victims and businesses that already are under siege.
Posted: September 14, 2018, 6:45 pm