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 IRS on Monday issued final regulations providing guidance on the new rule that disallows charitable contribution deductions for certain conservation easement contributions by partnerships and other passthrough entities.
Posted: June 24, 2024, 9:34 pm
The Court will rule by the end of its term Friday on the fate of the Chevron doctrine, which requires courts to give deference to a reasonable interpretation of an ambiguous statute by a government agency, including the IRS.
Posted: June 24, 2024, 9:13 pm
Federal government standard setter clarifies how to apply existing standards for inventory and related property to certain digital assets.
Posted: June 21, 2024, 6:24 pm