Nathaniel G. D'Agostino, CPA

Managing Partner
Nat joined the firm in 2011 and became a partner in 2014. He provides various accounting, tax, and advisory services to small and mid-size closely held businesses in the construction, manufacturing, real estate, and service industries. Prior to joining H&D, he worked at United Technologies where he assisted with implementing tax planning opportunities across the company’s aerospace businesses. Nat began his career with Ernst & Young where he provided income tax planning, provision, and compliance services to both publicly traded and privately held corporations.


  • Bentley University
    BS, Accounting, cum laude, 2004
  • Bentley University
    MS, Taxation, with distinction, 2005


  • Certified Public Accountant, licensed in Connecticut
  • Chartered Global Management Accountant

Professional & Civic Affiliations:

  • American Institute of Certified Public Accountants
  • Connecticut Society of Certified Public Accountants
  • Construction Financial Management Association
  • Connecticut Construction Industries Association
  • Beta Gamma Sigma
  • Italian American Society of Connecticut, Inc. – Treasurer (2013-present)
  • The Police Athletic and Activities League of Hartford, Inc. – former Treasurer and Advisory Board member