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 issues standard for clarifying environmental credit disclosures
FASB’s chair said that the Accounting Standards Update features guidance “that previously did not exist” related to environmental credits and environmental credit obligations.
Author: By Bryan Strickland
Posted: May 19, 2026, 8:35 pm
Final regs. modify reporting obligations for Form 8308, Part IV
The final regulations published Tuesday by the IRS stick with the proposed regulations that modify information-reporting obligations for Part IV of Form 8308, Report of a Sale or Exchange of Certain Partnership Interests.
Author: By Martha Waggoner
Posted: May 19, 2026, 7:00 pm
AICPA submits nearly 200 recommendations for IRS guidance plan
The organization highlighted top technical issues across 10 areas and urged the IRS to prioritize tax simplification.
Author: By Martha Waggoner
Posted: May 15, 2026, 7:18 pm