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 inquiry posed seven specific questions to the IRS concerning the decision, how it was arrived at, its potential effects and whether the Service has destroyed such documents before processing them at any other time.
Posted: May 27, 2022, 8:44 pm
The FASB said last week that it will explore new rules regarding the accounting for financial instruments with ESG-linked features and regulatory credits.
Posted: May 27, 2022, 8:22 pm
Diversity and inclusion is rising in CPA firm partner ranks and new accounting graduate hires, according to AICPA research.
Posted: May 26, 2022, 8:31 pm