Contact Us

Atti & Company, CPAs, PLLC<br />Certified Public Accountants

  • Milltown Office Park
  • 1454 Route 22, Suite A-104
  • Brewster, NY 10509
  • Phone: 845-279-1640
  • Fax: 845-279-1665
  • Phone: 845-279-8670
  • Phone: 845-279-8652
  • Phone: 845-279-0741
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Susan R Kozera, CPA

Managing Partner
  • Phone: 845-279-1640
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James S Kozera, CPA

  • Phone: 845-279-8670
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Louis O Wharton, CPA, MST

Tax Consultant
  • Phone: 845-279-0741
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Susan Stockdale, CPA

  • 845-279-0741
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Susan Stockdale is a CPA with extensive experience in working with closely-held companies and their owners.  Susan is a Quickbooks Pro Advisor and manages the clients who outsource their backoffice operations to us. 

Lawrence Duignan

  • 845-279-8652
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Larry Duignan recently graduated from Providence College and is the newest member of our team.  He spends his time in the practice areas of audit, accounting and tax when he is not studying for the CPA exam.   

Yvonne Guarneri

  • Phone: 845-279-8652
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Yvonne Guarneri works part-time as an experienced small business accountant.  She is a long-time employee.

Bonnie Verna

Bookkeeper / Admin Assistant
  • Phone: 845-279-8652
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