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.

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Tax

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.

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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.

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Individuals

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.

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Tax, accounting, auditing news - Journal of Accountancy

FASB seeks comment on hedge accounting guidance
FASB published two Accounting Standards Updates recently. One is intended to improve accounting guidance for interest rate risk hedging and net investment hedging, and the other relates to guidance for certain market-return cash balance plans.
Author: By Kevin Brewer
Posted: June 17, 2026, 7:10 pm
About a quarter of callers to two IRS lines got poor service, TIGTA says
The Treasury Inspector General for Tax Administration estimated that about 1 million callers to two IRS customer service lines did not receive quality service.
Author: By Martha Waggoner
Posted: June 16, 2026, 8:38 pm
Crowe partners with private equity; Baker Tilly on the move
Crowe is the latest top 15 firm to strike a private-equity deal. Also, Baker Tilly announced plans to relocate its headquarters to New York and acquire another top 100 firm.
Author: By Bryan Strickland
Posted: June 16, 2026, 6:47 pm