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 & Financial Reporting

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 Planning & Compliance

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

Openness to change and lifelong learning can help CPAs thrive amid accelerating tech development, says AICPA fall Council speaker Jeffrey Rogers.
Posted: October 20, 2019, 11:20 pm
The memorandum lists 10 challenges in order of importance, ranging from data security to achieving operational efficiencies.
Posted: October 18, 2019, 8:32 pm
Effective dates will be delayed for private companies and certain other entities for FASB’s standards on accounting for leases, credit losses, and hedging after a unanimous vote by FASB.
Posted: October 16, 2019, 6:22 pm