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 PCAOB is seeking feedback on a proposal focused on modernizing core auditing principles and responsibilities for public companies.
Posted: March 28, 2023, 9:05 pm
The IRS reached the halfway point of its annual “Dirty Dozen” list of tax scams, advising that taxpayers be careful when choosing a preparer to handle their returns.
Posted: March 27, 2023, 9:11 pm
The amended Accounting Standards Update addresses concerns related to terms and conditions to be considered and accounting for leasehold improvements.
Posted: March 27, 2023, 5:51 pm