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

AICPA recommends IRS clarification of Form 8050
The AICPA asked the IRS to clarify that Form 8050, used to provide direct deposit information for tax refunds, will not be included in exempt organizations' publicly available tax return filings. An AICPA letter said the change would reduce the risk of inadvertently disclosing sensitive banking information.
Author: By Martha Waggoner
Posted: October 13, 2026, 4:02 pm
AI and the audit: AICPA publishes practice aid to assist auditors
A new practice aid covers the impact of organizations’ use of artificial intelligence in financial reporting and the impact of audit firms’ use of AI in audit engagements.
Author: By Bryan Strickland
Posted: October 13, 2026, 11:52 am
AICPA reminds states of disaster-relief process with filing deadline near
The AICPA is reminding states about the correct procedure to use to request disaster tax relief following Hurricane Isaias' landfall just days before the Oct. 15 filing deadline.
Author: From staff reports
Posted: October 11, 2026, 10:42 pm