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

The new section is related to the measurement of items recognized in financial statements. It completes the board’s framework.
Posted: July 15, 2024, 4:37 pm
Grant Thornton’s Q2 2024 CFO survey found that 58% of CFOs are optimistic about the U.S. economy — the highest level of optimism since the third quarter of 2021. Plus, a rising percentage of CFOs expect profits to grow in the next 12 months.
Posted: July 11, 2024, 1:23 pm
The IRS is collecting on tax liabilities that were not “even in dispute,” Commissioner Danny Werfel said, but the IRS did not previously have the resources to pursue payment.
Posted: July 11, 2024, 9:00 am