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 U.S. Supreme Court held that to obtain a conviction for obstructing or impeding the administration of the Internal Revenue Code, the government was required to prove that the defendant knew of a pending tax-related proceeding or could reasonably foresee the commencement of such a proceeding.
Posted: March 21, 2018, 10:05 pm
Two new Frequently Asked Questions (FAQs) issued by the AICPA Professional Ethics Division provide nonauthoritative guidance for the effects on independence when senior personnel have been on an attest engagement team for a long period.
Posted: March 21, 2018, 8:45 pm
The IRS completed its annual list of the top tax scams for this filing season, with brazen phishing and phone scams still prominent on the list.
Posted: March 20, 2018, 9:43 pm