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.

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

This filing season will be the first time the IRS has enforced this requirement and will not accept tax returns that omit this information.
Posted: October 16, 2017, 4:00 pm
The Social Security Administration said that the maximum amount of wages subject to the 6.2% Social Security tax in 2018 will rise a little more than 1%, after a much larger increase last year.
Posted: October 13, 2017, 6:46 pm
Refresh your knowledge of common homophones by choosing the right word for these seven sentences.
Posted: October 12, 2017, 12:00 pm