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

Average tax refund rises 11%; total filings decline
The average individual tax refund is up nearly 11% in the first 10 business days of the 2026 filing season, rising to $2,290 from $2,065 last year.
Author: By Martha Waggoner
Posted: February 19, 2026, 1:03 pm
Corporate spending accelerating toward AI in 2026
CFOs and finance leaders in a Gartner survey signal increased spending on technology in the coming year, along with lower average pay raises for a third consecutive year.
Author: By Bryan Strickland
Posted: February 18, 2026, 9:21 pm
Looking to land a CFO role? 2025 was a good year
The amount of turnover among CFO seats at big U.S. companies increased last year, along with company preference for promoting from within. An executive search firm’s annual report tracks the hiring trends.
Author: By Bryan Strickland
Posted: February 11, 2026, 9:39 pm