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

The IRS issued guidance on the standard mileage rates and depreciation limits that were changed by the Tax Cuts and Jobs Act.
Posted: May 25, 2018, 7:39 pm
The IRS alerted tax practitioners to beware of a phishing scheme in which cybercriminals send out emails posing as state accounting and professional associations.
Posted: May 25, 2018, 3:15 pm
The IRS announced that it intends to issue regulations explaining that legislation attempting to recharacterize state and local taxes as charitable contributions will be subject to interpretation under federal tax law.
Posted: May 23, 2018, 8:00 pm