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

IRS shifts approach to conservation easement disputes
The agency said it has ended its latest conservation easement settlement initiative and is creating a new office to coordinate strategy for such cases.
Author: By Martha Waggoner
Posted: August 20, 2026, 4:49 pm
FASB proposal addresses whether certain digital assets are cash equivalents
FASB is seeking feedback on a proposal that aims to answer stakeholder uncertainty about how the definition of cash equivalents applies to stablecoins and other digital assets.
Author: By Bryan Strickland
Posted: August 20, 2026, 12:03 pm
Pets influence Americans’ financial decisions, AICPA survey finds
Dogs and cats are more than pets for many Americans, who consider the animals family members. An AICPA survey found that pet owners often budget for their animals, prioritize pet spending, and include pets in estate planning.
Author: By Martha Waggoner
Posted: August 19, 2026, 3:55 pm