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

The IRS updated its rules concerning the use of standard mileage rates and to reflect the current suspension of miscellaneous itemized deductions and moving expense deductions.
Posted: November 15, 2019, 9:00 pm
FASB issued two Accounting Standards Updates that finalize delays to various effective dates for new standards on current expected credit losses (CECL), leases, hedging, and long-duration insurance contracts.
Posted: November 15, 2019, 7:49 pm
Speaking to the AICPA National Tax Conference in Washington, IRS Commissioner Charles Rettig discussed possible Internal Revenue Service restructuring, more-targeted enforcement efforts and IRS use of data analytics.
Posted: November 14, 2019, 9:41 pm