• Whittlesey & Hadley, P.C.

    Whittlesey & Hadley, P.C.



    About Us

    Founded in Hartford in 1961, Whittlesey is one of the largest regional CPA and IT consulting firms in New England. With offices in Hartford, CT, Hamden, CT, and Holyoke, MA, we’re growing alongside our clients to provide a comprehensive array of advisory, assurance, tax, and technology services to a broad range of businesses and individuals.

    Whittlesey has the experience and expertise of a large, national CPA and IT consulting firm, with the responsiveness of a local firm. We pride ourselves on the value we offer to our clients, including fair pricing for a high-quality product, superior service, and game-changing insights. As trusted business advisors, we do more than accounting; we provide responsive and cost-efficient recommendations for both small and complex business needs.


    Partners, Kevin F. LaChapelle, Michael J. Pyne, Vincenzo Fini and Roger J. Sciascia.
    Conveniently located in Suite 2A at One Hamden Center, at the crossroads of Dixwell and Whitney avenues in the center of Hamden.
    Members of our Pulse Young Professionals get ready to celebrate the Holiday with donations for the GNHCC Annual Toys for Tots drive.
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    Vince Fini, Trumbull Business & Education Initiative, Man of the Year, 2014
    Phil Peiper and Lisa Extance prepare clothing donations for the United Way of Greater New Haven's Suited for Success clothing drive.
    Members of our team enjoyed an evening of painting in support of the United Ways efforts to provide permanent housing for the homeless.
    Kids at heart, our Young Professionals annually take part in holiday toy drives
    With an environment of continual learning, we've instituted a Book Club program to engage and encourage all levels of staff to exceed the expectations of our valued clients.
    Gregg Lionetti and Kayla Anrico prepare a collection of books for donation to Read to Grow
    In our inaugural year at Hamden's Relay for Life, W&A rallied to become the third highest fundraising team, a fete that had never been done before.

    Rep/Contact Info

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    Lauren Antonucci
    Lisa Extance
    Kevin LaChapelle
    Michael Lemieux
    Greg Lionetti
    Kimberly Napp
    Laurie Platner
    Michael Pyne
    Evan Sayre