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

SEC accepting Professional Accounting Fellow applications
The SEC’s Office of the Chief Accountant is accepting applications for positions that will begin this summer. The application deadline is April 22.
Author: From staff reports
Posted: April 1, 2026, 7:24 pm
PCAOB seeks comment on strategic priorities
The PCAOB requested input on its strategic priorities, seeking the answers to seven questions in particular as it develops a new strategic plan.
Author: By Kevin Brewer
Posted: March 31, 2026, 8:04 pm
IESBA to assess need for standards on alternative practice structures
The International Ethics Standards Board for Accountants will examine whether new standards are needed to address ethical considerations related to the prevalence of private-equity investment in the accounting profession — a topic already being addressed by the AICPA Professional Ethics Executive Committee.
Author: By Bryan Strickland
Posted: March 27, 2026, 8:04 pm