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

An AICPA letter suggests that the need for certain borrowers to complete a new form and provide extensive documentation supporting their request for relief funds be reconsidered and that other approaches be evaluated in assessing a borrower’s good faith certification.
Posted: November 25, 2020, 7:48 pm
The coronavirus pandemic and other factors have resulted in shrinking valuations in the energy industry, according to experts at the AICPA/PDI Oil & Gas Online Conference.
Posted: November 25, 2020, 5:46 pm
Energy producers are focusing on balance sheet strength and free cash flow as they recover from a severe blow dealt by the coronavirus pandemic.
Posted: November 25, 2020, 5:13 pm