Skip to main content

Cullen G. Williams


1983 graduate of Husson College with a Bachelor of Science in Accounting, and a licensed CPA since 1988. In 1997 Cullen established Williams & Associates, P.A. Cullen prepares tax returns, reviews returns completed by staff prior to processing, prepares financial statements, oversees staff and daily operations, as well as generating new revenues.

Theresa A Thompson

Office Manager

Employed November 1997. Terri is responsible for the daily operations of the office, including overseeing staff calendar/appointments, bookkeeping, payroll, processing of tax returns and financial statements, and assisting Cullen. In addition, is responsible for the daily bookkeeping for several clients.

Coreen M. Nicolai


1979 graduate of Villanova University with a Bachelor of Science in Accounting, and a licensed CPA since 2007. Coreen has worked in the public accounting field in the Bangor area since 2001 and joined Williams & Associates, P.A. in 2016. Coreen prepares tax returns and financial statement preparation for businesses and individuals.

About Williams & Associates, P.A.

Williams & Associates, P.A. is a full service accounting firm located in Holden, ME. We specialize in the tax, consulting, assurance services and everyday accounting needs of Maine businesses and individuals.Our business clients span many different industries and we are capable of handling accounting and tax issues that can arise at any time throughout the year.

Our staff are passionate about helping our clients receive all the incentives offered by the IRS. Our goal is to provide financial leadership, guidance and advice that you can use to grow your business and become more successful.As one of our clients, you will receive the personalized service that you expect from your accountant. We welcome an opportunity to discuss this and review your past filings at no expense.