building skdo


(815) 937-1997 (Bourbonnais)
(708) 946-3232 (Beecher)
(815) 426-2532 (Herscher)
(815) 942-2554 (Morris)


(815) 935-0360 (Bourbonnais)
(815) 935-0360 (Beecher)
(815) 426-2586 (Herscher)
(815) 942-9212 (Morris)

Main Office Hours

Summer hours will begin
Friday, May 3, 2019 thru Friday, September 27, 2019

Hours are as follows:

Monday- Thursday - 8:00am-5:00 pm

Friday - 8:00am-1:00 pm

(Herscher Office hours - Monday-Friday -8:00-5:00)

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Smith, Koelling, Dykstra, & Ohm, P.C. is an independent member of the BDO Alliance USA, which allows us to expand the services offered to clients by drawing on the resources of BDO USA, LLP and other Alliance members.


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Carmen Huizenga

Carmen Huizenga is currently the director of audit and accounting services at SKDO. She primarily works with various governmental and not-for-profit organizations in our community and has the pleasure of working with several staff members and shareholders. Carmen also serves on SKDO’s quality control team and the Illinois CPA Society’s Governmental Report Review Committee.

Carmen started her time with SKDO in 1998 and obtained her CPA in 2000. Throughout the years, her main focus has been in auditing and she greatly enjoys coming to work and developing relationships with both her coworkers and clients.

Outside of work, Carmen is busy spending time with her husband, Joel, and their three daughters. They spend a lot of time with their church family and attending school activities in the Herscher School District. They also enjoy University of Illinois volleyball.

Carmen is proud to be part of an organization who values their clients, community, integrity, and excellence. To her, it’s exciting to see how SKDO has grown and changed through the years, and she looks forward to continued growth through service to SKDO’s clients!