Accounting &
Tax Services, PLLC

Providing accounting & tax services for individuals, businesses and organizations as well as tax planning and financial management.


knowledgeable experience you can trust

Robert W. Sinkewicz, CPA, CGMA
Managing Member

Rob is a Certified Public Accountant and Chartered Global Management Accountant with 32 years of executive financial management experience across many different industries. He earned his BS in Accountancy from Bentley University in Waltham, MA in 1989. His extensive experience in accounting and tax as well as financial management enable Catamount to provide a full range of business services to any client.

Rob has worked in the aerospace manufacturing sector as a controller for the Goodrich Corporation and also spent time as a financial leader in the healthcare industry with Fletcher Allen Health Care and the State of Vermont - Agency of Health & Human Services as well as the public accounting arena with KPMG Peat Marwick and Gallagher Flynn. Rob has also owned and operated his own CPA firm since 1995.

He is a member of the American Institute of Certified Public Accountants, and Vermont Society of Certified Public Accountants. His business and community service includes serving on the boards of First Night Burlington, Green Mtn Concert Services, Inc., Green Mountain Autism Foundation, Essex Youth Hockey Association, Vermont Football Officials Association, Champlain Valley Swim League and Town of Essex Swim Team.

In 2019 he was appointed by Governor Scott to the Vermont Board of Accountancy and is currently Chair of the Board.

Rob lives in Essex, Vermont and is married to Christine, a senior electrical engineer. He and Christine enjoy scuba diving, boating, traveling, and Cornell hockey. They have two daughters, Amanda and Sara.


Robert W. Sinkewicz, CPA, CGMA
Catamount Accounting & Tax Services, PLLC
25 Wentworth Drive
Williston, VT 05495
phone: (802)404-3403
cell: (802)578-7896
fax: (802)662-1215

Regular Hours of Operation :
Monday thru Friday 8 a.m. – 4:30 p.m.

Evening and weekend appointments available.

tax resources

Download these helpful Tax-related documents
Links to online tax resources