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.

Read more →

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.

Read more →

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.

Read more →

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.

Read more →

Tax, accounting, auditing news - Journal of Accountancy

2027 CFO forecast: Mergers and acquisitions on the rise
Half of CFOs and senior finance leaders believe their companies will pursue a merger or acquisition next year, according to global research by Gartner.
Author: By Bryan Strickland
Posted: November 11, 2026, 7:04 pm
AICPA supports SEC plan to recognize CPAs as accredited investors
The AICPA agrees with the SEC in a comment letter that CPAs “possess sufficient financial sophistication to evaluate investment opportunities and risks without the protections associated with registered offerings.”
Author: By Bryan Strickland
Posted: November 11, 2026, 1:45 pm
IRS eyeing Tax Pro Account enhancements for practitioners
National Taxpayer Advocate Erin Collins said the IRS is working on Tax Pro Account enhancements that could allow practitioners to upload signed powers of attorney electronically. Speaking at the AICPA National Tax Conference, Collins also discussed amended return processing, CP53E notices, and other IRS modernization efforts.
Author: By Martha Waggoner
Posted: November 10, 2026, 8:07 pm