D’Alessio & Associates, Inc. provides outsourced bookkeeping solutions to businesses seeking the efficiency, reliability and confidentiality that outsourcing offers. We have been in business since 1989, have a staff of 7 accounting professionals and 2 support team members and we provide bookkeeping services to over 60 local and regional companies.


Stephen D’Alessio, President

BS Economics UNH. 35+ years accounting and tax experience. Founded D’Alessio & Associates Inc in 1989.

Diane Langlois, Vice President

BS Economics / Business Management KSC. 20+ years accounting experience. Joined D’Alessio & Associates Inc in 1998. Appointed Vice President with responsibility for operations and client services November 2019.

Linda Garner, Accountant

BS Engineering UNH. 15+ years accounting experience. Member of D’Alessio & Associates Inc since 2007.

Shawn Doyle, Accountant

20+ years accounting and business management experience. Manufacturing, retail and online business channel specialization. Member of D’Alessio & Associates Inc since 2019.

Shana Thompson, Accountant

AS Accounting RVCC. 10+ years accounting experience. Member of D’Alessio & Associates Inc 2010-2012 and returned 2019.

Taylene Lavertue, Intern

Taylene recently completed her freshman year at UNH with a major in accounting. She has joined D’Alessio & Associates Inc for the 2022 summer.

D’Alessio & Associates Inc.
543 West Street
PO Box 1380
Keene, NH 03431

(603) 352-1000

Looking for help?

Give us a call at (603) 352-1000!