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

PCAOB finalizes simplified quality control amendments
QC 1000, A Firm’s System of Quality Control, will be effective Dec. 15 and could serve as the basis for the PCAOB’s future approach to inspections of public company compliance.
Author: By Bryan Strickland
Posted: September 9, 2026, 7:44 pm
Risk response often doesn’t match the threat or the opportunity
While nearly 7 in 10 business leaders report increased risk, 3 in 10 rate their organization’s overall risk oversight as mature or robust. The latest version of an annual report also showed that few companies consider their risk management process to be a strategic advantage.
Author: By Bryan Strickland
Posted: September 9, 2026, 5:59 pm
AICPA seeks IRS clarity on AI guidelines, CPA fees
The AICPA is seeking clarification from the IRS on guidelines suggesting that tax practitioners should pass AI-related cost savings on to clients. Concerns about language in the guidelines include the implication of not allowing for a value-pricing model and overlooking the costs of implementing and governing the technology.
Author: By Martha Waggoner
Posted: September 8, 2026, 8:38 pm