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(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

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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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Accounting and Assurance

SKDO strives to increase your business' value, not just verify it with our accounting and assurance services. Our team can help guide your business through an increasingly complex regulatory environment and provide insightful financial reporting that can assist your management decisions and ultimately help you go "beyond the bottom line."


Audit Service and Related Attestation

Lending credibility to financial statements has been at the core of the CPA profession since its beginnings, and is no less important today. Whether through an audit, leading to positive expression of assurance on financial statements or other forms of limited assurance, Smith, Koelling, Dykstra & Ohm’s objective is to support all activities that render financial information more reliable and decision-useful.

We offer attestation services in a wide range of areas including Audits and compliance work in the following:

Governmental Audits and Reporting

  • School Districts
  • Municipalities
  • Townships
  • Counties
  • Park Districts
  • Library Districts
  • Airports
  • Single Audits
  • Other Units of Local Government

Financial Institutions

  • Compliance Audits
  • Bank Secrecy Act Audits
  • Credit Union Audits

Not For Profit Entities

  • Financial Statement Audits
  • Single Audits
  • Compliance Reporting
  • Compilations
  • Reviews
  • Forecasts and Projections

For Profit Entities
Current Industries: Agricultural(Grain Elevators), Manufacturing, Retail, Employee Benefit Audits, and Construction

  • Inventory
  • Compilations and Reviews
  • Financial Statement Audits
  • Bond and other Obligation Audits

Smith, Koelling, Dykstra and Ohm issues Financial Statement Audits under Generally carmenmid redAccepted Auditing Standards and Government Audit Standards for units of local government. Compliance audits are issued under the Single Audit Act, OMB Circular A-133 or other issued publications and standards and are performed separately or in conjunction with financial statement audits. We also can provide focused procedures on specific elements of financial statements or transaction classes as defined by the client, and reporting results of those procedures.  See our current Peer Review Letter here.

Limited assurance on financial statements is provided by a review report supported by inquiry and analytical procedures applied to financial statements. What is the Difference Between Compilations, Reviews and Audits?