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.

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.

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.

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.

Tax, accounting, auditing news - Journal of Accountancy

At the midpoint of 2026, the average age of CFO hires at large companies stood at 48.2 years old, the youngest average age in at least a decade.
Author: By Bryan Strickland
Posted: September 3, 2026, 6:45 pm
A stopgap funding bill headed to the president would maintain the IRS’s $11.2 billion annual budget through Dec. 11 and prevent a second $11.6 billion funding rescission for now.
Author: By Martha Waggoner
Posted: September 3, 2026, 11:38 am
Optimism among CPA decision-makers about the coming 12 months edges up in the quarterly AICPA and CIMA Economic Outlook Survey.
Author: By Bryan Strickland
Posted: September 3, 2026, 4:01 am