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 & Assurance

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 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

Newly published insights can help audit firms avoid public disclosure of quality control criticisms issued by the PCAOB.
Posted: February 3, 2023, 8:58 pm
Kenneth Corbin, commissioner of the IRS Wage and Investment Division, said calls are being answered in under 10 minutes as a result of more staff and stifling the “voice bots.”
Posted: February 3, 2023, 3:03 pm
Effective communication is an essential skill for accountants and finance professionals. Here are five basic tactics that impactful communicators use.
Posted: February 3, 2023, 2:22 pm