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About

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.

Our diverse teams of professionals have decades of experience in various accounting and technology disciplines. As members of Allinial Global, an association of legally independent accounting and consulting firms, we share in the strength of a worldwide network, while maintaining our commitment to personalized service in the communities where we live and work.

Our firm has stood the test of time because we understand how to help our clients successfully navigate compliance, economic and technology changes, and beyond.

Company Accolades

  • We are ranked 145th in the annual Inside Public Accounting’s “Top 200 Accounting Firms”
  • We are also listed as the 7th top New England regional firm by Accounting Today
  • When compared with both national and local firms, Whittlesey has set the national high score in the following service areas:
    • Overall Satisfaction
    • Ease of Doing Business
    • Business Partner
    • Business Practices
    • Professional Staff
    • Service Value

Professional Affiliations

Community Involvement

Whittlesey has a rich history of giving back to our local communities, both as individuals and as a firm. We encourage our staff, at all levels, to become actively involved with the nonprofit organizations where we live and work. Our partners and managers serve in leadership positions, volunteering their time and sharing their talents with organizations throughout the region. As part of our commitment to our local communities, we founded the Whittlesey Fund, a charitable fund managed through the Hartford Foundation for Public Giving. And through the generosity of our employees, Whittlesey is proud to annually support the United Way and the Greater Hartford Arts Council.

In addition to personal work, we also organize an annual Community Day for our company. It's one of Whittlesey’s most exciting days of the year, when we close our offices and our team participates in hands-on volunteer service at several nonprofits.