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 to reduce inconsistencies tied to customer-related payments
Stakeholders have until Nov. 23 to comment on a proposed Accounting Standards Update related to Topic 606, Revenue from Contracts with Customers. Also, FASB is set to hold an update for private companies and not-for-profits.
Author: By Bryan Strickland
Posted: October 22, 2026, 7:09 pm
AI is reshaping finance jobs rather than eliminating them, survey finds
Just 3% of CFOs report actively reducing headcount where AI has replaced work in the finance function, although few organizations are yet in position to fully implement AI across all workflows.
Author: By Bryan Strickland
Posted: October 22, 2026, 2:44 pm
Ellison-Taylor, Dodaro receive AICPA’s highest honors
A pioneering former AICPA chair and the former head of the U.S. Government Accountability Office were honored as Gold Medal award recipients at Council.
Author: From staff reports
Posted: October 21, 2026, 4:50 pm