Hallisey & D'Agostino, LLP

Hallisey & D'Agostino, LLP is an accountant in Wethersfield, CT. Founded in 1972, the firm is a full-service public accounting practice that serves individuals and small to mid-size closely-held businesses throughout Connecticut. Its work spans accounting, tax, and advisory services, and its clients operate across a range of industries including construction, manufacturing, real estate, and professional and consumer services. The practice also maintains dedicated offerings for the construction industry and for trusts and estates, alongside broader individual and business advisory work. It holds a rating of 4.6.

The firm's culture is built around knowledge sharing, teamwork, and staff continuity, with a notably low turnover rate that keeps engagements consistent over time. The partners and staff also give back through financial support, sponsorships, and volunteer service on boards of local non-profits. The team includes managing partner Nathaniel G. D'Agostino, CPA, and partners Lawrence F. Hallisey, CPA and Kenneth A. Batt, CPA, supported by directors, supervisors, and staff accountants working across assurance, tax, and quality control.

The office sits on Silas Deane Highway, just steps from the Wethersfield Post Office, the Wethersfield Public Library, and Wethersfield Town Hall, with the Frank Weston Rose Garden and Silas Deane Middle School also within a short walk.