Our Team

The Brantner and Thibodeau Full Service Accounting Team Bangor Maine

About Us

Brantner, Thibodeau & Associates, Certified Public Accountants (CPA) is a local firm providing high quality service to a vast array of clients in the Bangor, Maine area. We genuinely care for our clients and want them to succeed on an individual level.

Why Brantner, Thibodeau & Associates?

  • Excellent service
  • Approachable attitude
  • Experienced professionals
  • Personalized attention and care

We know that your situation is different from any other client we have worked with before, but you have similar desires. Value is certainly something you want from the CPA you choose to work with. Brantner, Thibodeau & Associates can help you satisfy this desire by delivering service that is second to none at an affordable price. If you are interested in a consultation, please contact us and experience what it is like to work with some of the best CPAs in Maine.

Our Team


Craig S. Costello, CPA, CGMA

Email Partner

Craig joined Brantner, Thibodeau & Associates right after receiving his Bachelor’s degree from the University of Maine in 1994.

Craig focuses his area of expertise in municipal and non-profit auditing, individual and business taxation, and QuickBooks consulting. He has supervised audit engagements of organizations requiring 400 hours or more, and currently serves as the engagement partner of various municipal and non-profit audits.

Craig is a member of the American Institute of Certified Public Accountants (AICPA) and the Maine Society of Certified Public Accountants (MSCPA). He is the coordinator of the firm’s membership in the AICPA’s Government Audit Quality Center (GAQC).

Craig is a volunteer member and officer of Bangor Breakfast Rotary and Maine Jr Black Bears Youth Hockey. He enjoys traveling, skiing, investing and the occasional round of golf. Craig and his wife Kelli reside in Veazie with their daughter Leah and son Griffin.

Christopher S. Madden, CPA, CGMA

Email Partner

Chris began his career in 1994, during his final year at the University of Maine, from where he received his Bachelor’s degree.

Chris’ areas of expertise are concentrated in business and individual taxation, review and compilations of financial statements, new business setup, and QuickBooks consulting. Many of his clients are focused in the logging, trucking, rental real estate, retail and franchise restaurant industries.

Chris is a member of the American Institute of Certified Public Accountants (AICPA) and the Maine Society of Certified Public Accountants (MSCPA). He is the coordinator of the firm’s membership in the AICPA’s Tax Section and the AICPA’s Private Companies Practice Section.

Chris is a member of the Board of Directors for the Greenbush School Department and volunteers to coach youth sports. He loves to travel and participate in outdoor activities. Chris and his wife Kassidy reside in Greenbush with their sons Dylan and Colin and daughter Haylie.

See how we can help you today!

“I wanted to thank you for helping me out. You make me feel like I’m your only client and I really appreciate that!” —Jason Peet, President Bangor Ski Rack

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