Professional Affiliations

Whittlesey & Hadley, P.C., our partners and employees maintain memberships in numerous professional organizations in order to access professional education, quality control guidelines, best practices materials, technical support, peer review, communications and academic and career development so as to provide our clients with the best in service.


The American Institute of Certified Public Accountants (AICPA), the national professional organization for Certified Public Accountants (CPAs) provides members with the resources, information and leadership that enable them to offer valuable services in the highest professional manner.




Allinial Global members benefit from access to specialized knowledge and expertise throughout the association and through professional education, marketing and practice development and a library of best practices materials. [More...]






For more than 30 years, the CTCPA has been the leading provider of quality CPE for CPAs wishing to provide their clients or employers the best in service.



The Massachusetts Society of Certified Public Accountants, through its advocacy, continuing professional education, peer review, membership, communications and academic and career development departments, provides services that allow its members to learn, connect and prosper in the accounting profession.


  • CBIA (Connecticut Business & Industry Association)

  • Bridgeport Regional Business Council
  • East Hartford Chamber of Commerce
  • Greater New Haven Chamber of Commerce
  • Greater Holyoke Chamber of Commerce
  • Greater Manchester Chamber of Commerce
  • Hamden Regional Chamber MetroHartford Alliance
  • Middlesex County Chamber of Commerce
  • Connecticut Bankers Association
  • Connecticut Community Bankers Association
  • Massachusetts Bankers Association
  • Real Estate Finance Association - Connecticut Chapter
  • CREW CT - The Real Estate Exchange
  • National Association of Home Builders
  • Small Manufacturers Association
  • AGC of Connecticut